/***********************************************************************

 * YAV - Yet Another Validator  v1.4.1                                 *

 * Copyright (C) 2005-2008                                             *

 * Author: Federico Crivellaro <f.crivellaro@gmail.com>                *

 * WWW: http://yav.sourceforge.net                                     *

 *                                                                     *

 * This library is free software; you can redistribute it and/or       *

 * modify it under the terms of the GNU Lesser General Public          *

 * License as published by the Free Software Foundation; either        *

 * version 2.1 of the License, or (at your option) any later version.  *

 *                                                                     *

 * This library is distributed in the hope that it will be useful,     *

 * but WITHOUT ANY WARRANTY; without even the implied warranty of      *

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   *

 * Lesser General Public License for more details.                     *

 *                                                                     *

 * You should have received a copy of the GNU Lesser General Public    *

 * License along with this library; if not, write to the Free Software *

 * Foundation, Inc.,59 Temple Place,Suite 330,Boston,MA 02111-1307 USA *

 *                                                                     *

 * last revision:  31 JAN 2008                                         *

 ***********************************************************************/



//------------------------------------------------------------ PUBLIC FUNCTIONS

var undef;

var isFocusSet;

var internalRules;

function performCheck(formName, strRules, alertType) {

    isFocusSet = false;

    var rules = makeRules(strRules);

    internalRules = makeRules(strRules);

    this.f = document.forms[formName];

    if( !this.f ) {

        debug('DEBUG: could not find form object ' + formName);

        return null;

    }

    var errors = new Array();

    var ix = 0;

    if (rules.length) {

        for(var i=0; i<rules.length; i++) {

            var aRule = rules[i];

            if (aRule!=null) {

                highlight(getField(f, aRule.el), inputclassnormal);

            }

        }

    } else {

        if (rules!=null) {

            highlight(getField(f, rules.el), inputclassnormal);

        }

    }

    if (rules.length) {

        for(var i=0; i<rules.length; i++) {

            var aRule = rules[i];

            var anErr = null;

            if (aRule==null) {

                //do nothing

            } else if (aRule.ruleType=='pre-condition' || aRule.ruleType=='post-condition' || aRule.ruleType=='andor-operator') {

                //do nothing

            } else if (aRule.ruleName=='implies') {

                pre  = aRule.el;

                post = aRule.comparisonValue;

				

                var oldClassName = getField(f, rules[pre].el).className;

                if ( checkRule(f, rules[pre])==null && checkRule(f, rules[post])!=null ) {

                    anErr = deleteInline(aRule.alertMsg) + '__inline__'+rules[post].el;

                } else if ( checkRule(f, rules[pre])!=null ) {

                    getField(f, rules[pre].el).className = oldClassName;

                }

            } else {

                anErr = checkRule(f, aRule);

            }

            if ( anErr!=null ) {

                errors[ix] = anErr;

                ix++;

            }

        }//for

    } else {

        var myRule = rules;

        err = checkRule(f, myRule);

        if ( err!=null ) {

            errors[0] = err;

        }

    }

    return displayAlert(errors, alertType);

}



function checkKeyPress(ev, obj, strRules) {

    var keyCode = null;

    if ( getBrowser()=='msie' ) {

        keyCode = window.event.keyCode;

    } else if ( getBrowser()=='netscape' || getBrowser()=='firefox' ) {

        keyCode = ev.which;

    }

    var rules = makeRules(strRules);

    var keyAllowed = true;

    if (rules.length) {

        for(var i=0; i<rules.length; i++) {

            var aRule = rules[i];

            if (aRule.ruleName=='keypress' && aRule.el==obj.name) {

                keyAllowed = isKeyAllowed(keyCode, aRule.comparisonValue);

                break;

            }

        }

    } else {

        var aRule = rules;

        if (aRule.ruleName=='keypress' && aRule.el==obj.name) {

            keyAllowed = isKeyAllowed(keyCode, aRule.comparisonValue);

        }

    }

    if (!keyAllowed) {

        if ( getBrowser()=='msie' ) {

            window.event.keyCode=0;

        } else if ( getBrowser()=='netscape' || getBrowser()=='firefox' ) {

            ev.preventDefault();

            ev.stopPropagation();

            ev.returnValue=false;

        }

    }

    return false;

}



//------------------------------------------------------------ PRIVATE FUNCTIONS



function displayAlert(messages, alertType) {

    var retval =null;

    clearAllInlineSpans();

    if (alertType=='classic') {

        retval = displayClassic(messages);

    } else if (alertType=='innerHtml') {

        retval = displayInnerHtml(messages);

    }else if (alertType=='inline') {

        retval = displayInline(messages);

    }else if (alertType=='jsVar') {

        retval = displayJsVar(messages);

    } else {

        debug('DEBUG: alert type ' + alertType + ' not supported');

    }

    return retval;

}



function displayClassic(messages) {

    var str = '';

    if ( messages!=null && messages.length>0 ) {

    	if (strTrim(HEADER_MSG).length > 0) {

            str += HEADER_MSG + '\n\n';

        }

        for (var i=0; i<messages.length; i++) {

            str += ' ' + deleteInline(messages[i]) + '\n';

        }

    	if (strTrim(FOOTER_MSG).length > 0) {

            str += '\n' + FOOTER_MSG;

        }

        alert(str);

        return false;

    } else {

    	return true;

    }

}



function displayInnerHtml(messages) {

    if ( messages!=null && messages.length>0 ) {

        var str = '';

    	if (strTrim(HEADER_MSG).length > 0) {

            str += HEADER_MSG;

        }

        str += '<ul>';

        for (var i=0; i<messages.length; i++) {

            str += '<li>'+deleteInline(messages[i])+'</li>';

        }

        str += '</ul>';

    	if (strTrim(FOOTER_MSG).length > 0) {

            str += FOOTER_MSG;

        }

        document.getElementById(errorsdiv).innerHTML = str;

        document.getElementById(errorsdiv).className = innererror;

        document.getElementById(errorsdiv).style.display = 'block';

        return false;

    } else {

        document.getElementById(errorsdiv).innerHTML = '';

        document.getElementById(errorsdiv).className = '';

        document.getElementById(errorsdiv).style.display = 'none';

        return true;

    }

}



function displayInline(messages) {

    if ( messages!=null && messages.length>0 ) {

        var genericErrors = new Array();

        var genericErrIndex = 0;

        for (var i=0; i<messages.length; i++) {

            var elName = messages[i].substring(messages[i].indexOf('__inline__')+10);

            if ( document.getElementById(errorsdiv+'_'+elName) ) {

                document.getElementById(errorsdiv+'_'+elName).innerHTML = deleteInline(messages[i]);

                document.getElementById(errorsdiv+'_'+elName).className = innererror;

                document.getElementById(errorsdiv+'_'+elName).style.display = '';

            } else {

                genericErrors[genericErrIndex] = messages[i];

                genericErrIndex++;

            }

        }

        if (genericErrIndex>0) {

            displayInnerHtml(genericErrors);

        }

        return false;

    } else {

        return true;

    }

}



function clearAllInlineSpans() {

    var allDivs = document.getElementsByTagName("span");

    for (var j=0; j<allDivs.length; j++) {

        var idName = allDivs[j].id;

        if ( idName.indexOf(errorsdiv+'_')==0 ) {

            document.getElementById(idName).innerHTML = '';

            document.getElementById(idName).className = '';

            document.getElementById(idName).style.display = 'none';

        }

    }

}



function displayJsVar(messages) {

    document.getElementById(errorsdiv).className = '';

    document.getElementById(errorsdiv).style.display = 'none';

    if ( messages!=null && messages.length>0 ) {

        for (var i=0; i<messages.length; i++) {

            messages[i] = deleteInline(messages[i]);

        }

        var str = '';

        str += '<script>var jsErrors;</script>';

        document.getElementById(errorsdiv).innerHTML = str;

        jsErrors = messages;

        return false;

    } else {

        document.getElementById(errorsdiv).innerHTML = '<script>var jsErrors;</script>';

        return true;

    }

}



function rule(el, ruleName, comparisonValue, alertMsg, ruleType) {

    if ( !checkArguments(arguments) ) {

        return false;

    }

    tmp = el.split(':');

    nameDisplayed = '';

    if (tmp.length == 2) {

        nameDisplayed = tmp[1];

        el = tmp[0];

    }

    this.el = el;

    this.nameDisplayed = nameDisplayed;

    this.ruleName = ruleName;

    this.comparisonValue = comparisonValue;

    this.ruleType = ruleType;

    if (alertMsg==undef || alertMsg==null) {

        this.alertMsg = getDefaultMessage(el, nameDisplayed, ruleName, comparisonValue)+'__inline__'+this.el;

    } else {

        this.alertMsg = alertMsg+'__inline__'+this.el;

    }

}



function checkRule(f, myRule) {

    retVal = null;

    if (myRule != null) {

        if (myRule.ruleName=='custom') {

            var customFunction = ' retVal = ' + myRule.el;

            eval(customFunction);

        } else if (myRule.ruleName=='and') {

            var op_1 = myRule.el;

            var op_next = myRule.comparisonValue;

            if ( checkRule(f, internalRules[op_1])!=null ) {

                retVal = myRule.alertMsg;

                if (myRule.ruleType=='pre-condition' || myRule.ruleType=='andor-operator') {

                    //highlight(getField(f, internalRules[op_1].el), inputclasserror);

                }

            } else {

                var op_k = op_next.split('-');

                for(var k=0; k<op_k.length; k++) {

                    if ( checkRule(f, internalRules[op_k[k]])!=null ) {

                        retVal = myRule.alertMsg;

                        if (myRule.ruleType=='pre-condition' || myRule.ruleType=='andor-operator') {

                            //highlight(getField(f, internalRules[op_k[k]].el), inputclasserror);

                        }

                        break;

                    }

                }

            }

        } else if (myRule.ruleName=='or') {

            var op_1 = myRule.el;

            var op_next = myRule.comparisonValue;

            var success = false;

            if ( checkRule(f, internalRules[op_1])==null ) {

                success = true;

            } else {

                if (myRule.ruleType=='pre-condition' || myRule.ruleType=='andor-operator') {

                    //highlight(getField(f, internalRules[op_1].el), inputclasserror);

                }

                var op_k = op_next.split('-');

                for(var k=0; k<op_k.length; k++) {

                    if ( checkRule(f, internalRules[op_k[k]])==null ) {

                        success = true;

                        break;

                    } else {

                        if (myRule.ruleType=='pre-condition' || myRule.ruleType=='andor-operator') {

                            //highlight(getField(f, internalRules[op_k[k]].el), inputclasserror);

                        }

                    }

                }

            }

            if (success) {

                highlight(getField(f, internalRules[op_1].el), inputclassnormal);

                var op_k = op_next.split('-');

                for(var k=0; k<op_k.length; k++) {

                    highlight(getField(f, internalRules[op_k[k]].el), inputclassnormal);

                }

            } else {

                retVal = myRule.alertMsg;

            }

        } else {

            el = getField(f, myRule.el);

            if (el == null) {

                debug('DEBUG: could not find element ' + myRule.el);

                return null;

            }

            var err = null;

            if(el.type) {

                if(el.type=='hidden'||el.type=='text'||el.type=='password'||el.type=='textarea') {

                    err = checkText(el, myRule);

                } else if(el.type=='checkbox') {

                    err = checkCheckbox(el, myRule);

                } else if(el.type=='select-one') {

                    err = checkSelOne(el, myRule);

                } else if(el.type=='select-multiple') {

                    err = checkSelMul(el, myRule);

                } else if(el.type=='radio') {

                    err = checkRadio(el, myRule);

                } else {

                    debug('DEBUG: type '+ el.type +' not supported');

                }

            } else {

                err = checkRadio(el, myRule);

            }

            retVal = err;

        }

    }

    return retVal;

}



function checkArguments(args) {

    if (args.length < 4) {

        debug('DEBUG: rule requires four arguments at least');

        return false;

    } else if (args[0]==null || args[1]==null) {

        debug('DEBUG: el and ruleName are required');

        return false;

    }

    return true;

}



function checkRadio(el, myRule) {

    var err = null;

    if (myRule.ruleName=='required') {

        var radios = el;

	    var found=false;

	    if (isNaN(radios.length) && radios.checked) {

	    	found=true;

	    } else {

		    for(var j=0; j < radios.length; j++) {

		        if(radios[j].checked) {

		            found=true;

		            break;

		        }

		    }

		}

        if( !found ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='equal') {

        var radios = el;

	    var found=false;

	    if (isNaN(radios.length) && radios.checked) {

	    	if (radios.value==myRule.comparisonValue) {

	    	    found=true;

	    	}

	    } else {

		    for(var j=0; j < radios.length; j++) {

		        if(radios[j].checked) {

        	    	if (radios[j].value==myRule.comparisonValue) {

        	    	    found=true;

                        break;

        	    	}

		        }

		    }

		}

        if( !found ) {

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='notequal') {

        var radios = el;

	    var found=false;

	    if (isNaN(radios.length) && radios.checked) {

	    	if (radios.value!=myRule.comparisonValue) {

	    	    found=true;

	    	}

	    } else {

		    for(var j=0; j < radios.length; j++) {

		        if(radios[j].checked) {

        	    	if (radios[j].value!=myRule.comparisonValue) {

        	    	    found=true;

                        break;

        	    	}

		        }

		    }

		}

        if( !found ) {

            err = myRule.alertMsg;

        }

    } else {

        debug('DEBUG: rule ' + myRule.ruleName + ' not supported for radio');

    }

    return err;

}



function checkText(el, myRule) {

    err = null;

    if (trimenabled) {

    	el.value = strTrim(el.value);

    }

    if (myRule.ruleName=='required') {

        if (el.value==null || el.value=='') {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='equal') {

        err = checkEqual(el, myRule);

    } else if (myRule.ruleName=='notequal') {

        err = checkNotEqual(el, myRule);

    } else if (myRule.ruleName=='numeric') {

        reg = new RegExp("^[0-9]*$");

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='alphabetic') {

        reg = new RegExp(alphabetic_regex);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='alphanumeric') {

        reg = new RegExp(alphanumeric_regex);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='alnumhyphen') {

        reg = new RegExp(alnumhyphen_regex);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='alnumhyphenat') {

        reg = new RegExp(alnumhyphenat_regex);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='alphaspace') {

        reg = new RegExp(alphaspace_regex);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='email') {

        reg = new RegExp(email_regex);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='maxlength') {

        if ( isNaN(myRule.comparisonValue) ) {

            debug('DEBUG: comparisonValue for rule ' + myRule.ruleName + ' not a number');

        }else if ( el.value.length > myRule.comparisonValue ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='minlength') {

        if ( isNaN(myRule.comparisonValue) ) {

            debug('DEBUG: comparisonValue for rule ' + myRule.ruleName + ' not a number');

        } else if ( el.value.length < myRule.comparisonValue ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='numrange') {

        reg = new RegExp("^[-+]{0,1}[0-9]*[.]{0,1}[0-9]*$");

        if ( !reg.test(unformatNumber(el.value)) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        } else {

            regRange = new RegExp("^[0-9]+-[0-9]+$"); 

            if ( !regRange.test(myRule.comparisonValue) ) {

                debug('DEBUG: comparisonValue for rule ' + myRule.ruleName + ' not in format number1-number2');

            } else {

                rangeVal = myRule.comparisonValue.split('-');

                if (eval(unformatNumber(el.value))<eval(rangeVal[0]) || eval(unformatNumber(el.value))>eval(rangeVal[1])) {

                    highlight(el, inputclasserror); 

                    err = myRule.alertMsg;

                }

            }

        }

    } else if (myRule.ruleName=='regexp') {

        reg = new RegExp(myRule.comparisonValue);

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else if (myRule.ruleName=='integer') {

        err = checkInteger(el, myRule);

    } else if (myRule.ruleName=='double') {

        err = checkDouble(el, myRule);

    } else if (myRule.ruleName=='date') {

        err = checkDate(el, myRule);

    } else if (myRule.ruleName=='date_lt') {

        err = checkDateLessThan(el, myRule, false);

    } else if (myRule.ruleName=='date_le') {

        err = checkDateLessThan(el, myRule, true);

    } else if (myRule.ruleName=='keypress') {

        // do nothing

    } else if (myRule.ruleName=='empty') {

        if ( el.value!=null && el.value!='' ) {

            highlight(el, inputclasserror);

            err = myRule.alertMsg;

        }

    } else {

        debug('DEBUG: rule ' + myRule.ruleName + ' not supported for ' + el.type);

    }

    return err;

}



function checkInteger(el, myRule) {

    reg = new RegExp("^[-+]{0,1}[0-9]*$");

    if ( !reg.test(el.value) ) {

        highlight(el, inputclasserror);

        return myRule.alertMsg;

    }

}



function checkDouble(el, myRule) {

    var sep = DECIMAL_SEP;

    reg = new RegExp("^[-+]{0,1}[0-9]*[" + sep + "]{0,1}[0-9]*$");

    if ( !reg.test(el.value) ) {

        highlight(el, inputclasserror);

        return myRule.alertMsg;

    }

}



function checkDate(el, myRule) {

    error = null;

    if (el.value!='') {

        var dateFormat = DATE_FORMAT;

        ddReg = new RegExp("dd");

        MMReg = new RegExp("MM");

        yyyyReg = new RegExp("yyyy");

        if ( !ddReg.test(dateFormat) || !MMReg.test(dateFormat) || !yyyyReg.test(dateFormat)  ) {

            debug('DEBUG: locale format ' + dateFormat + ' not supported');

        } else {

            ddStart = dateFormat.indexOf('dd');

            MMStart = dateFormat.indexOf('MM');

            yyyyStart = dateFormat.indexOf('yyyy');

        }

        strReg = dateFormat.replace('dd','[0-9]{2}').replace('MM','[0-9]{2}').replace('yyyy','[0-9]{4}');

        reg = new RegExp("^" + strReg + "$");

        if ( !reg.test(el.value) ) {

            highlight(el, inputclasserror);

            error = myRule.alertMsg;

        } else {

            dd   = el.value.substring(ddStart, ddStart+2);

            MM   = el.value.substring(MMStart, MMStart+2);

            yyyy = el.value.substring(yyyyStart, yyyyStart+4);

            if ( !checkddMMyyyy(dd, MM, yyyy) ) {

                highlight(el, inputclasserror);

                error = myRule.alertMsg;

            }

        }

    }

    return error;

}



function checkDateLessThan(el, myRule, isEqualAllowed) {

    error = null;

    var isDate = checkDate(el, myRule)==null ? true : false;

    if ( isDate && el.value!='' ) {

        var dateFormat = DATE_FORMAT;

        ddStart = dateFormat.indexOf('dd');

        MMStart = dateFormat.indexOf('MM');

        yyyyStart = dateFormat.indexOf('yyyy');

        dd   = el.value.substring(ddStart, ddStart+2);

        MM   = el.value.substring(MMStart, MMStart+2);

        yyyy = el.value.substring(yyyyStart, yyyyStart+4);

        myDate = "" + yyyy + MM + dd;

        strReg = dateFormat.replace('dd','[0-9]{2}').replace('MM','[0-9]{2}').replace('yyyy','[0-9]{4}');

        reg = new RegExp("^" + strReg + "$");

        var isMeta = myRule.comparisonValue.indexOf('$')==0 

            ? true

            : false;

        var comparisonDate = '';

        if (isMeta) {

            toSplit = myRule.comparisonValue.substr(1);

            tmp = toSplit.split(':');

            if (tmp.length == 2) {

                comparisonDate = this.getField(f, tmp[0]).value;

            } else {

                comparisonDate = this.getField(f, myRule.comparisonValue.substr(1)).value;

            }

        } else {

            comparisonDate = myRule.comparisonValue;

        }

        if ( !reg.test(comparisonDate) ) {

            highlight(el, inputclasserror);

            error = myRule.alertMsg;

        } else {

            cdd   = comparisonDate.substring(ddStart, ddStart+2);

            cMM   = comparisonDate.substring(MMStart, MMStart+2);

            cyyyy = comparisonDate.substring(yyyyStart, yyyyStart+4);

            cDate = "" + cyyyy + cMM + cdd;

            if (isEqualAllowed) {

                if ( !checkddMMyyyy(cdd, cMM, cyyyy) || myDate>cDate ) {

                    highlight(el, inputclasserror);

                    error = myRule.alertMsg;

                }

            } else {

                if ( !checkddMMyyyy(cdd, cMM, cyyyy) || myDate>=cDate ) {

                    highlight(el, inputclasserror);

                    error = myRule.alertMsg;

                }

            }

        }

    } else {

        if ( el.value!='' ) {

            highlight(el, inputclasserror);

            error = myRule.alertMsg;

        }

    }

    return error;

}



function checkEqual(el, myRule) {

    error = null;

    var isMeta = myRule.comparisonValue.indexOf('$')==0 

        ? true

        : false;

    var comparisonVal = '';

    if (isMeta) {

        toSplit = myRule.comparisonValue.substr(1);

        tmp = toSplit.split(':');

        if (tmp.length == 2) {

            comparisonVal = this.getField(f, tmp[0]).value;

        } else {

            comparisonVal = this.getField(f, myRule.comparisonValue.substr(1)).value;

        }

    } else {

        comparisonVal = myRule.comparisonValue;

    }

    if ( el.value!=comparisonVal ) {

        highlight(el, inputclasserror);

        error = myRule.alertMsg;

    }

    return error;

}



function checkNotEqual(el, myRule) {

    error = null;

    var isMeta = myRule.comparisonValue.indexOf('$')==0 

        ? true

        : false;

    var comparisonVal = '';

    if (isMeta) {

        toSplit = myRule.comparisonValue.substr(1);

        tmp = toSplit.split(':');

        if (tmp.length == 2) {

            comparisonVal = this.getField(f, tmp[0]).value;

        } else {

            comparisonVal = this.getField(f, myRule.comparisonValue.substr(1)).value;

        }

    } else {

        comparisonVal = myRule.comparisonValue;

    }

    if ( el.value==comparisonVal ) {

        highlight(el, inputclasserror);

        error = myRule.alertMsg;

    }

    return error;

}



function checkddMMyyyy(dd, MM, yyyy) {

    retVal = true;

    if (    (dd<1) || (dd>31) || (MM<1) || (MM>12) ||

            (dd==31 && (MM==2 || MM==4 || MM==6 || MM==9 || MM==11) ) ||

            (dd >29 && MM==2) ||

            (dd==29 && (MM==2) && ((yyyy%4 > 0) || (yyyy%4==0 && yyyy%100==0 && yyyy%400>0 )) )) {

       retVal = false;

    }

    return retVal;

}



function checkCheckbox(el, myRule) {

    if (myRule.ruleName=='required') {

        if ( !el.checked ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else if (myRule.ruleName=='equal') {

        if ( !el.checked || el.value!=myRule.comparisonValue ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else if (myRule.ruleName=='notequal') {

        if ( el.checked && el.value==myRule.comparisonValue ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else {

        debug('DEBUG: rule ' + myRule.ruleName + ' not supported for ' + el.type);

    }

}



function checkSelOne(el, myRule) {

    if (myRule.ruleName=='required') {

        var found = false;

        var inx = el.selectedIndex;

        if(inx>=0 && el.options[inx].value) {

            found = true;

        }

        if ( !found ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else if (myRule.ruleName=='equal') {

        var found = false;

        var inx = el.selectedIndex;

        if(inx>=0 && el.options[inx].value==myRule.comparisonValue) {

            found = true;

        }

        if ( !found ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else if (myRule.ruleName=='notequal') {

        var found = false;

        var inx = el.selectedIndex;

        if(inx>=0 && el.options[inx].value!=myRule.comparisonValue) {

            found = true;

        }

        if ( !found ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else {

        debug('DEBUG: rule ' + myRule.ruleName + ' not supported for ' + el.type);

    }

}



function checkSelMul(el, myRule) {

    if (myRule.ruleName=='required') {

        var found = false;

        opts = el.options;

        for(var i=0; i<opts.length; i++) {

            if(opts[i].selected && opts[i].value) {

                found = true;

                break;

            }

        }

        if ( !found ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else if (myRule.ruleName=='equal') {

        var found = false;

        opts = el.options;

        for(var i=0; i<opts.length; i++) {

            if(opts[i].selected && opts[i].value==myRule.comparisonValue) {

                found = true;

                break;

            }

        }

        if ( !found ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else if (myRule.ruleName=='notequal') {

        var found = false;

        opts = el.options;

        for(var i=0; i<opts.length; i++) {

            if(opts[i].selected && opts[i].value!=myRule.comparisonValue) {

                found = true;

                break;

            }

        }

        if ( !found ) {

            highlight(el, inputclasserror);

            return myRule.alertMsg;

        }

    } else {

        debug('DEBUG: rule ' + myRule.ruleName + ' not supported for ' + el.type);

    }

}



function debug(msg) {

   if (debugmode) {

        alert(msg);

   }

}



function strTrim(str) {

    return str.replace(/^\s+/,'').replace(/\s+$/,'');

}



function makeRules(strRules) {

    var rules=new Array();

    if (strRules.length) {

        for(var i=0; i<strRules.length; i++) {

            rules[i] = splitRule(strRules[i]);

        }

    } else {

        rules[0] = splitRule(strRules);

    }

    return rules;

}



function splitRule(strRule) {

    var retval = null;

    if (strRule!=undef) {

        params = strRule.split(RULE_SEP);

        switch (params.length) {

            case 2:

                retval = new rule(params[0], params[1], null, null, null);

                break;

            case 3:

                if (threeParamRule(params[1])) {

                    retval = new rule(params[0], params[1], params[2], null, null);

                } else if (params[2]=='pre-condition' || params[2]=='post-condition' || params[2]=='andor-operator') {

                    retval = new rule(params[0], params[1], null, 'foo', params[2]);

                } else {

                    retval = new rule(params[0], params[1], null, params[2], null);

                }

                break;

            case 4:

                if (threeParamRule(params[1]) && (params[3]=='pre-condition' || params[3]=='post-condition' || params[3]=='andor-operator')) {

                    retval = new rule(params[0], params[1], params[2], 'foo', params[3]);

                } else {

                    retval = new rule(params[0], params[1], params[2], params[3], null);

                }

                break;

            default:

                debug('DEBUG: wrong definition of rule');

        }

    }

    return retval;

}



function threeParamRule(ruleName) {

    return (ruleName=='equal' || ruleName=='notequal' || ruleName=='minlength' || ruleName=='maxlength' || ruleName=='date_lt' || ruleName=='date_le' || ruleName=='implies' || ruleName=='regexp' || ruleName=='numrange' || ruleName=='keypress' || ruleName=='and' || ruleName=='or')

        ? true

        : false;

}



function highlight(el, clazz) {

    if (!isFocusSet && clazz==inputclasserror) {

        if (  (!el.type) && (el.length>0) && (el.item(0).type=='radio') ) {

            el.item(0).focus();

        } else {

            //el.focus();   

        }

        isFocusSet = true;

    }

    if (el!=undef && inputhighlight) {

        if ( multipleclassname ) {

            highlightMultipleClassName(el, clazz);

        } else {

            el.className = clazz;

        }        

    }

}



function highlightMultipleClassName(el, clazz) {

    re = new RegExp("(^|\\s)("+inputclassnormal+"|"+inputclasserror+")($|\\s)");

    el.className = strTrim (

    ( (typeof el.className != "undefined")

        ? el.className.replace(re, "")

        : ""

    ) + " " + clazz );

}



function getDefaultMessage(el, nameDisplayed, ruleName, comparisonValue) {

    if (nameDisplayed.length == 0) {

        nameDisplayed = el;

    }

    var msg = DEFAULT_MSG;

    if (ruleName=='required') {

        msg = REQUIRED_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='minlength') {

        msg = MINLENGTH_MSG.replace('{1}', nameDisplayed).replace('{2}', comparisonValue);

    } else if (ruleName=='maxlength') {

        msg = MAXLENGTH_MSG.replace('{1}', nameDisplayed).replace('{2}', comparisonValue);

    } else if (ruleName=='numrange') {

        msg = NUMRANGE_MSG.replace('{1}', nameDisplayed).replace('{2}', comparisonValue);

    } else if (ruleName=='date') {

        msg = DATE_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='numeric') {

        msg = NUMERIC_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='integer') {

        msg = INTEGER_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='double') {

        msg = DOUBLE_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='equal') {

        msg = EQUAL_MSG.replace('{1}', nameDisplayed).replace('{2}', getComparisonDisplayed(comparisonValue));

    } else if (ruleName=='notequal') {

        msg = NOTEQUAL_MSG.replace('{1}', nameDisplayed).replace('{2}', getComparisonDisplayed(comparisonValue));

    } else if (ruleName=='alphabetic') {

        msg = ALPHABETIC_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='alphanumeric') {

        msg = ALPHANUMERIC_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='alnumhyphen') {

        msg = ALNUMHYPHEN_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='alnumhyphenat') {

        msg = ALNUMHYPHENAT_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='alphaspace') {

        msg = ALPHASPACE_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='email') {

        msg = EMAIL_MSG.replace('{1}', nameDisplayed);

    } else if (ruleName=='regexp') {

        msg = REGEXP_MSG.replace('{1}', nameDisplayed).replace('{2}', comparisonValue);

    } else if (ruleName=='date_lt') {

        msg = DATE_LT_MSG.replace('{1}', nameDisplayed).replace('{2}', getComparisonDisplayed(comparisonValue));

    } else if (ruleName=='date_le') {

        msg = DATE_LE_MSG.replace('{1}', nameDisplayed).replace('{2}', getComparisonDisplayed(comparisonValue));

    } else if (ruleName=='empty') {

        msg = EMPTY_MSG.replace('{1}', nameDisplayed);

    }

    return msg;

}



function getComparisonDisplayed(comparisonValue) {

    comparisonDisplayed = comparisonValue;

    if (comparisonValue.substring(0, 1)=='$') {

        comparisonValue = comparisonValue.substring(1, comparisonValue.length);

        tmp = comparisonValue.split(':');

        if (tmp.length == 2) {

            comparisonDisplayed = tmp[1];

        } else {

            comparisonDisplayed = comparisonValue;

        }

    }

    return comparisonDisplayed;

}



function getBrowser() {

    brs=navigator.userAgent.toLowerCase();

    var retval;

    if (brs.search(/msie\s(\d+(\.?\d)*)/)!=-1) {

        retval='msie';

    } else if (brs.search(/netscape[\/\s](\d+([\.-]\d)*)/)!=-1) {

        retval='netscape';

    } else if (brs.search(/firefox[\/\s](\d+([\.-]\d)*)/)!=-1) {

        retval='firefox';

    } else {

        retval='unknown';

    }

    return retval;

}



function isKeyAllowed(keyCode, charsAllowed) {

    retval = false;

    var aCharCode;

    if (keyCode==8) {

        retval = true;

    } else {

        for(var i=0; i<charsAllowed.length; i++) {

            aCharCode = charsAllowed.charCodeAt(i);

            if (aCharCode==keyCode) {

                retval = true;

                break;

            }

        }

    }

    return retval;

}



function getField(formObj, fieldName){

	var retval = null;

	if (formObj.elements[fieldName]){

		retval = formObj.elements[fieldName];

	}else if (document.getElementById(fieldName)){

		retval = document.getElementById(fieldName);

	}

	return retval;

}



function unformatNumber(viewValue){

    var retval = viewValue.replace(THOUSAND_SEP, ""); 

    retval = retval.replace(DECIMAL_SEP, ".");

    return retval;

}



function deleteInline(msg) {

    if (msg.indexOf('__inline__')==-1) {

        return msg;

    } else {

        return msg.substring(0, msg.indexOf('__inline__'));

    }

}

//end