var foutmeldingen = 0;

var RSV=Class.create();

RSV.prototype={
	options:{},
	returnHash:[],
	initialize:function(){
		var opts=Object.extend({
							   formID:"",
							   rules:[],
							   displayType:"alert-all",
							   errorFieldClass:null,
							   errorTextIntro:"Please fix the following error(s) and resubmit:",
							   errorJSItemBullet:"* ",
							   errorHTMLItemBullet:"• ",
							   errorTargetElementId:"rsvErrors",
							   onCompleteHandler:null,
							   customErrorHandler:null
							   },
							   arguments[0]||{
								   });
		if(!opts.formID){
			alert("The formID configuration setting is required.");
			return false;
		}
		if($(opts.formID))
			$(opts.formID).onsubmit=this.validate.bind(this);
			this.options=opts;			
	},
	validate:function(){
		var form=$(this.options.formID);
		var rules=this.options.rules;
		this.returnHash=[];
		for(var i=0;i<rules.length;i++){
			var row=rules[i].replace(/\\,/ig,"%%C%%");
			row=row.split(",");
			var satisfiesIfConditions=true;
			while(row[0].match("^if:")){
				var cond=row[0];
				cond=cond.replace("if:","");
				var comparison="equal";
				var parts=[];
				if(cond.search("!=")!=-1){
					parts=cond.split("!=");comparison="not_equal";
				} else
					parts=cond.split("=");
					var fieldToCheck=parts[0];
					var valueToCheck=parts[1];
					var fieldnameValue="";
					if(form[fieldToCheck].type==undefined){
						for(var j=0;j<form[fieldToCheck].length;j++){
							if(form[fieldToCheck][j].checked)
								fieldnameValue=form[fieldToCheck][j].value;
						}
					} else if(form[fieldToCheck].type=="checkbox") {
						if(form[fieldToCheck].checked)
						fieldnameValue=form[parts[0]].value;
					} else
						fieldnameValue=form[parts[0]].value;
					if(comparison=="equal"&&fieldnameValue!=valueToCheck) {
						satisfiesIfConditions=false;
						break;
					} else if(comparison=="not_equal"&&fieldnameValue==valueToCheck) {
						satisfiesIfConditions=false;
						break;
					} else
						row.shift();
				}
				if(!satisfiesIfConditions)
					continue;
					var requirement=row[0];
					var fieldName=row[1];
					var fieldName2,fieldName3,errorMessage,lengthRequirements,date_flag;
					if(requirement!="function"&&$(fieldName)==undefined) {
						alert("RSV Error: the field \""+fieldName+"\" doesn't exist! Please check your form and settings.");
						return false;
					}
					if(requirement!="function"&&this.options.errorFieldClass) {
						if($(fieldName).type==undefined){
							for(var j=0;j<$(fieldName).length;j++)
							$($(fieldName)[j]).removeClassName(this.options.errorFieldClass);
						} else
							$($(fieldName)).removeClassName(this.options.errorFieldClass);
					}
					if(row.length==6) {
						fieldName2=row[2];
						fieldName3=row[3];
						date_flag=row[4];
						errorMessage=row[5];
					} else if(row.length==5) {
						fieldName2=row[2];
						fieldName3=row[3];
						errorMessage=row[4];
					} else if(row.length==4) {
						fieldName2=row[2];
						errorMessage=row[3];
					} else
						errorMessage=row[2];
					if(requirement.match("^length")) {
						lengthRequirements=requirement;
						requirement="length";
					}
					if(requirement.match("^range")) {
						rangeRequirements=requirement;
						requirement="range";
					}
					switch(requirement) {
						case"required":
							if($(fieldName).type==undefined) {
								var oneIsChecked=false;
								for(var j=0;j<$(fieldName).length;j++){
									if($(fieldName)[j].checked)
										oneIsChecked=true;
								}
								if(!oneIsChecked) {
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
							}else if($(fieldName).type=="select-multiple"){
								var oneIsSelected=false;
								for(var k=0;k<$(fieldName).length;k++) {
									if($(fieldName)[k].selected)
										oneIsSelected=true;
								}
								if(!oneIsSelected||$(fieldName).length==0){
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
							} else if($(fieldName).type=="checkbox") {
								if(!$(fieldName).checked) {
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
							} else if(!$(fieldName).value) {
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;	
							case"digits":
							$(fieldName).value = $(fieldName).value.replace(',','.');
							if($(fieldName).value&&$(fieldName).value.match(/[^0-9.]/)) {
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;

							case"digits_only":
							if($(fieldName).value&&$(fieldName).value.match(/\D/)) {
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;
						case"letters_only":
							if($(fieldName).value&&$(fieldName).value.match(/[^a-zA-Z]/)) {
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;
						case"is_alpha":
							if($(fieldName).value&&$(fieldName).value.match(/\W/)){
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;
						case"custom_alpha":
							var conversion={"L":"[A-Z]","V":"[AEIOU]","l":"[a-z]","v":"[aeiou]","D":"[a-zA-Z]","F":"[aeiouAEIOU]","C":"[BCDFGHJKLMNPQRSTVWXYZ]","x":"[0-9]","c":"[bcdfghjklmnpqrstvwxyz]","X":"[1-9]","E":"[bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ]"};
							var reg_exp_str="";
							for(j=0;j<fieldName2.length;j++){
								if(conversion[fieldName2.charAt(j)])
									reg_exp_str+=conversion[fieldName2.charAt(j)];
								else
									reg_exp_str+=fieldName2.charAt(j);
							}
							var reg_exp=new RegExp(reg_exp_str);
							if($(fieldName).value&&reg_exp.exec($(fieldName).value)==null){
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;
						case"reg_exp":
							var reg_exp_str=fieldName2;
							if(row.length==5)
								var reg_exp=new RegExp(reg_exp_str,fieldName3);
							else
								var reg_exp=new RegExp(reg_exp_str);
							if($(fieldName).value&&reg_exp.exec($(fieldName).value)==null) {
								if(!this.processError($(fieldName),errorMessage))
									return false;
							}
							break;
						case"length":
							comparison_rule="";
							rule_string="";
							if(lengthRequirements.match(/length=/)){
								comparison_rule="equal";
								rule_string=lengthRequirements.replace("length=","");
							} else if(lengthRequirements.match(/length>=/)) {
								comparison_rule="greater_than_or_equal";rule_string=lengthRequirements.replace("length>=","");
							} else if(lengthRequirements.match(/length>/)) {
								comparison_rule="greater_than";
								rule_string=lengthRequirements.replace("length>","");
							} else if(lengthRequirements.match(/length<=/)) {
								comparison_rule="less_than_or_equal";
								rule_string=lengthRequirements.replace("length<=","");
							} else if(lengthRequirements.match(/length</)){
								comparison_rule="less_than";
								rule_string=lengthRequirements.replace("length<","");
							}
							switch(comparison_rule){
								case"greater_than_or_equal":
									if(!($(fieldName).value.length>=parseInt(rule_string))){
										if(!this.processError($(fieldName),errorMessage))
											return false;
									}
									break;
								case"greater_than":
									if(!($(fieldName).value.length>parseInt(rule_string))){
										if(!this.processError($(fieldName),errorMessage))
											return false;
									}
									break;
								case"less_than_or_equal":
									if(!($(fieldName).value.length<=parseInt(rule_string))) {
										if(!this.processError($(fieldName),errorMessage))
											return false;
									}
									break;
								case"less_than":
									if(!($(fieldName).value.length<parseInt(rule_string))) {
										if(!this.processError($(fieldName),errorMessage))
											return false;
									}
									break;
								case"equal":
									var range_or_exact_number=rule_string.match(/[^_]+/);
									var fieldCount=range_or_exact_number[0].split("-");
									if(fieldCount.length==2){
										if($(fieldName).value.length<fieldCount[0]||$(fieldName).value.length>fieldCount[1]){
											if(!this.processError($(fieldName),errorMessage))
												return false;
										}
									} else {
										if($(fieldName).value.length!=fieldCount[0]){
											if(!this.processError($(fieldName),errorMessage))
												return false;
										}
									}
									break;
							}
							break;
						case"valid_email":
							if($(fieldName).value&&!this.isValidEmail($(fieldName).value)){
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
								break;
							case"valid_date":
								var isLaterDate=false;
								if(date_flag=="later_date")
									isLaterDate=true;
								else if(date_flag=="any_date")
									isLaterDate=false;
								if(!this.isValidDate($(fieldName).value,form[fieldName2].value,form[fieldName3].value,isLaterDate)) {
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
								break;
							case"same_as":
								if($(fieldName).value!=form[fieldName2].value) {
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
								break;
							case"not_same_as":
								if($(fieldName).value!=form[fieldName2].value) {
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
								break;
							case"not_same_as_title":
								if($(fieldName).value==$(fieldName).title){
									if(!this.processError($(fieldName),errorMessage))
										return false;
								}
								break;
							case"range":
								comparison_rule="";rule_string="";
								if(rangeRequirements.match(/range=/)){
									comparison_rule="equal";
									rule_string=rangeRequirements.replace("range=","");
								} else if(rangeRequirements.match(/range>=/)){
									comparison_rule="greater_than_or_equal";
									rule_string=rangeRequirements.replace("range>=","");
								} else if(rangeRequirements.match(/range>/)){
									comparison_rule="greater_than";
									rule_string=rangeRequirements.replace("range>","");
								}else if(rangeRequirements.match(/range<=/)){
									comparison_rule="less_than_or_equal";
									rule_string=rangeRequirements.replace("range<=","");
								} else if(rangeRequirements.match(/range</)){
									comparison_rule="less_than";
									rule_string=rangeRequirements.replace("range<","");
								}
								switch(comparison_rule){
									case"greater_than_or_equal":
										if(!($(fieldName).value>=Number(rule_string))){
											if(!this.processError($(fieldName),errorMessage))
												return false;
										}
										break;
									case"greater_than":
										if(!($(fieldName).value>Number(rule_string))){
											if(!this.processError($(fieldName),errorMessage))
												return false;
										}
										break;
									case"less_than_or_equal":
										if(!($(fieldName).value<=Number(rule_string))){
											if(!this.processError($(fieldName),errorMessage))
												return false;
										}
										break;
									case"less_than":
										if(!($(fieldName).value<Number(rule_string))){
											if(!this.processError($(fieldName),errorMessage))
												return false;
										}
										break;
									case"equal":
										var rangeValues=rule_string.split("-");
											if(($(fieldName).value<Number(rangeValues[0]))||($(fieldName).value>Number(rangeValues[1]))){
												if(!this.processError($(fieldName),errorMessage))
													return false;
											}
											break;
					}
					break;
				case"function":
					custom_function=fieldName;eval("var result = "+custom_function+"()");
					if(result.constructor.toString().indexOf("Array")!=-1){
						for(var j=0;j<result.length;j++){
							if(!this.processError(result[j][0],result[j][1]))
								return false;
						}
					}
					break;
				default:
					alert("Unknown requirement flag in validateFields(): "+requirement);
					return false;
			}
		}
		if(typeof this.options.customErrorHandler=='function'){	
			return this.options.customErrorHandler(form,this.returnHash,rules);
		} else if(this.options.displayType=="alert-all"){
		var errorStr=this.options.errorTextIntro+"\n\n";
		for(var i=0;i<this.returnHash.length;i++){
			errorStr+=this.options.errorJSItemBullet+this.returnHash[i][1]+"\n";
			this.styleField(this.returnHash[i][0],i==0);
			}
			if(this.returnHash.length>0){
				alert(errorStr);
				return false;
			}
		}
		else if(this.options.displayType=="display-html"){
			var success=this.displayHTMLErrors(form,this.returnHash);
		if(!success)
			return false;
	}
		if(typeof this.options.onCompleteHandler=='function')
			return this.options.onCompleteHandler();
		else
			return true;
	},
	processError:function(obj,message){
		message=message.replace(/%%C%%/ig,",");
		var continueProcessing=true;
		switch(this.options.displayType){
			case"alert-one":alert('1' + message);
				this.styleField(obj,true);
				continueProcessing=false;
				break;
			case"alert-all":
			case"display-html":
				this.returnHash.push([obj,message]);
				break;
		}
		return continueProcessing;
	},
	displayHTMLErrors:function(f,errorInfo,rules){
		var errorHTML=this.options.errorTextIntro+"<br /><br />";
		for(var i=0;i<errorInfo.length;i++){
			errorHTML+=this.options.errorHTMLItemBullet+errorInfo[i][1]+"<br />";
			this.styleField(errorInfo[i][0],i==0);
		}
		if(errorInfo.length>0){
			$(this.options.errorTargetElementId).style.display="block";
			$(this.options.errorTargetElementId).innerHTML=errorHTML;
			return false;
		}
		return true;
	},
	styleField:function(field,focus){
		if(field.type==undefined){
			if(focus)
				field[0].focus();
			for(var i=0;i<field.length;i++)
				$(field[i]).addClassName(this.options.errorFieldClass);
		} else {
			if(this.options.errorFieldClass)
				$(field).addClassName(this.options.errorFieldClass);
			if(focus)
				field.focus();
		}
	},
	isValidEmail:function(str){
		var str2=str.replace(/^\s*/,"");
		var s=str2.replace(/\s*$/,"");
		var at="@";
		var dot=".";
		var lat=s.indexOf(at);
		var lstr=s.length;
		var ldot=s.indexOf(dot);
		if(s.indexOf(at)==-1||(s.indexOf(at)==-1||s.indexOf(at)==0||s.indexOf(at)==lstr)||(s.indexOf(dot)==-1||s.indexOf(dot)==0||s.indexOf(dot)==lstr)||(s.indexOf(at,(lat+1))!=-1)||(s.substring(lat-1,lat)==dot||s.substring(lat+1,lat+2)==dot)||(s.indexOf(dot,(lat+2))==-1)||(s.indexOf(" ")!=-1)){
			return false;
		}
		return true;
	},
	isValidDate:function(month,day,year,isLaterDate){
		var daysInMonth;
		if((year%4==0)&&((year%100!=0)||(year%400==0)))
			daysInMonth=[31,29,31,30,31,30,31,31,30,31,30,31];
		else
			daysInMonth=[31,28,31,30,31,30,31,31,30,31,30,31];
		if(!month||!day||!year)
			return false;
		if(1>month||month>12)
			return false;
		if(year<0)
			return false;
		if(1>day||day>daysInMonth[month-1])
			return false;
		if(isLaterDate){
			var today=new Date();
			var currMonth=today.getMonth()+1;
			var currDay=today.getDate();
			var currYear=today.getFullYear();
			if(String(currMonth).length==1)
				currMonth="0"+currMonth;
			if(String(currDay).length==1)
				currDay="0"+currDay;
			var currDate=String(currYear)+String(currMonth)+String(currDay);
			if(String(month).length==1)
				month="0"+month;
			if(String(day).length==1)
				day="0"+day;
			incomingDate=String(year)+String(month)+String(day);
			if(Number(currDate)>Number(incomingDate))
				return false;
		}
		return true;
	}
}

function myCustomErrorDisplayFunction(f, errorInfo,myRules) {
	// disabled all errors by default

	for (var i=0; i<myRules.length; i++){
		var parts = myRules[i].split(",");
		var fieldName = parts[1];

		if(document.getElementById(fieldName + "_label")) {
			document.getElementById(fieldName + "_label").style.color = "#000000";
		}
		if(document.getElementById(fieldName + "_error")) {
			document.getElementById(fieldName + "_error").style.display = "none";
		}
	}

//	alert(errorInfo.length);
	for (var i=0; i<errorInfo.length; i++){
		var fieldName;
		// radio button
		if (errorInfo[i][0].type == undefined)
			fieldName = errorInfo[i][0][0].id;
		else
			fieldName = errorInfo[i][0].id;

		// display the error
		if(document.getElementById(fieldName + "_label")) {
				document.getElementById(fieldName + "_label").style.color = "#cc0000";
		}
		if(document.getElementById(fieldName + "_error")) {
			document.getElementById(fieldName + "_error").style.display = "block";
			document.getElementById(fieldName + "_error").innerHTML = errorInfo[i][1];
		} else {
			var error_div = document.createElement("div");
			error_div.id = fieldName + '_error';
			error_div.className = "form_melding";
			foutmeldingen++;
			//	alert(fieldName);
			document.getElementById(fieldName).parentNode.appendChild(error_div);
			document.getElementById(fieldName + "_error").style.display = "block";
			document.getElementById(fieldName + "_error").innerHTML = errorInfo[i][1];
		}
	}
	// normally, we'd do something like this: only return TRUE if there were no errors.
	// but this is just a demo. so it's commented out.
	//return (errorInfo.length == 0) ? true : false;
	if (errorInfo.length == 0) {
		return true;
	} else {
		return false;
	}
}



function myCustomErrorDisplayFunctionFalse(f, errorInfo, myRules) {
//alert('in');
	var foutmeldingen = 0;
	
	// disabled all errors by default
	for (var i=0; i<myRules.length; i++){
		var parts = myRules[i].split(",");
		var fieldName = parts[1];
         
		if(document.getElementById(fieldName + "_label")) {
			document.getElementById(fieldName + "_label").style.color = "#000000";
		}
		if(document.getElementById(fieldName + "_error")) {
			document.getElementById(fieldName + "_error").style.display = "none";
		}
	}

	//alert(errorInfo.length);
	for (var i=0; i<errorInfo.length; i++){
		var fieldName;
		// radio button
		if (errorInfo[i][0].type == undefined)
			fieldName = errorInfo[i][0][0].id;
		else
			fieldName = errorInfo[i][0].id;

		// display the error
		if(document.getElementById(fieldName + "_label")) {
				document.getElementById(fieldName + "_label").style.color = "#cc0000";
		}
		if(document.getElementById(fieldName + "_error")) {
			document.getElementById(fieldName + "_error").style.display = "block";
			document.getElementById(fieldName + "_error").innerHTML = errorInfo[i][1];
		} else {
			var error_div = document.createElement("div");
			error_div.id = fieldName + '_error';
			error_div.className = "form_melding";
			foutmeldingen++;
			//	alert(fieldName);
			document.getElementById(fieldName).parentNode.appendChild(error_div);
			document.getElementById(fieldName + "_error").style.display = "block";
			document.getElementById(fieldName + "_error").innerHTML = errorInfo[i][1];
		}
	}
	// normally, we'd do something like this: only return TRUE if there were no errors.
	// but this is just a demo. so it's commented out.
	//return (errorInfo.length == 0) ? true : false;
	if (errorInfo.length == 0) {
		//alert('complete');
		myOnComplete();
		return false;
	} else {
	//	alert('no complete');
		return false;	
	}	
}

function clear_default(element) {
	if(element.value==element.title) {
		element.value = '';
	}
}