var checkObjects		= new Array();
var errors				= "";
var returnVal			= false;
var language			= new Array();
var selectecLanguage	= "english";
language.english		= new Array();
language.polish			= new Array();

	language.english.header		= "The following error(s) occured:"
	language.english.start		= "->";
	language.english.field		= " Field ";
	language.english.require	= " is required";
	language.english.min		= " and must consist of at least ";
	language.english.max		= " and must not contain more than ";
	language.english.minmax		= " and no more than ";
	language.english.chars		= " characters";
	language.english.num		= " and must contain a number";
	language.english.email		= " must contain a valid e-mail address";
	language.english.date		= " and must contain a valid date";

	language.polish.header		= "Wyst±piły następuj±ce błędy:"
	language.polish.start		= "* ";
	language.polish.field		= " Pole <";
	language.polish.require		= "> jest wymagane";
	language.polish.min			= " i musi zawierać conajmniej ";
	language.polish.max			= " i nie może zawierać więcej niż ";
	language.polish.minmax		= " i nie więcej niż ";
	language.polish.chars		= " znaki";
	language.polish.num			= " i musi zawierać liczbę";
	language.polish.email		= "> musi zawierać prawidłowy adres e-mail";
	language.polish.date		= " i musi zawierać prawidłową datę";

function define(n,type,HTMLname,min,max,d){
	var p;
	var i;
	var x;
	if(!d) d=document;
  
	if((p=n.indexOf("?"))>0&&parent.frames.length){
    	d=parent.frames[n.substring(p+1)].document;
    	n=n.substring(0,p);
    }
	if(!(x=d[n])&&d.all) x=d.all[n];
  	for (i=0;!x&&i<d.forms.length;i++){
  		x=d.forms[i][n];

  	}
	for(i=0;!x&&d.layers&&i<d.layers.length;i++){ 
		x=define(n,type,HTMLname,min,max,d.layers[i].document);
		return x;		
	}
	
	eval("V_"+n+" = new formResult(x,type,HTMLname,min,max);");
	checkObjects[eval(checkObjects.length)] = eval("V_"+n);
}

function formResult(form,type,HTMLname,min,max){
	this.form = form;
	this.type = type;
	this.HTMLname = HTMLname;
	this.min  = min;
	this.max  = max;
}

function validate(){
	if(checkObjects.length>0){
		errorObject = "";
		for(i=0;i<checkObjects.length;i++){
			validateObject 			= new Object();
			validateObject.form 	= checkObjects[i].form;
			validateObject.HTMLname = checkObjects[i].HTMLname;
			validateObject.type 	= checkObjects[i].type;
			validateObject.val 		= (validateObject.type=="list") ? validateObject.form.selectedIndex : checkObjects[i].form.value;
			validateObject.len 		= (validateObject.type=="list") ? 1 : checkObjects[i].form.value.length;
			validateObject.min 		= checkObjects[i].min;
			validateObject.max 		= checkObjects[i].max;

			if(validateObject.type == "num" || validateObject.type == "string"){
				if((validateObject.type == "num" && validateObject.len <= 0) || (validateObject.type == "num" && isNaN(validateObject.val))){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].num+"\n";
				} else if (validateObject.min && validateObject.max && (validateObject.len < validateObject.min || validateObject.len > validateObject.max)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].min+validateObject.min+language[selectecLanguage].minmax+validateObject.max+language[selectecLanguage].chars+"\n";
				} else if (validateObject.min && !validateObject.max && (validateObject.len < validateObject.min)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].min+validateObject.min+language[selectecLanguage].chars+"\n";
				} else if (validateObject.max && !validateObject.min &&(validateObject.len > validateObject.max)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].max+validateObject.max+language[selectecLanguage].chars+"\n";
				} else if (!validateObject.min && !validateObject.max && validateObject.len <= 0){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+"\n";
				}
			} else if(validateObject.type == "email"){
				if((validateObject.val.indexOf("@") == -1) || (validateObject.val.charAt(0) == ".") || (validateObject.val.charAt(0) == "@") ||(validateObject.len < 6) || (validateObject.val.indexOf(".") == -1) || (validateObject.val.charAt(validateObject.val.indexOf("@")+1) == ".") || (validateObject.val.charAt(validateObject.val.indexOf("@")-1) == ".")){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].email+"\n";}
			} else if (validateObject.type == "list"){
				if((validateObject.val == -1)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+"\n";}
			} else if (validateObject.type == "date"){
				if(!checkdate(validateObject.val)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].date+"\n";}
			}
		}
	}
	if(errors){
		alert(language[selectecLanguage].header.concat("\n"+errors));
		errors = "";
		returnVal = false;
	} else {
		returnVal = true;
	}
}


function checkdate(str_date) {
	var strDate = str_date;
	if (chkdate(strDate) == false) {
		return false;
	}
	else {
		return true;
   	}
}

function chkdate(strDate) {

	var strDatestyle = "EU";
	var strDate;
	var strSeparatorArray = new Array("-"," ","/",".");
	var strDateArray;
	var strDay;
	var strMonth;
	var strYear;
	var intday;
	var intMonth;
	var intYear;
	var booFound = false;

	var intElementNr;
	var err = 0;
	var strMonthArray = new Array(12);
	strMonthArray[0] = "Jan";
	strMonthArray[1] = "Feb";
	strMonthArray[2] = "Mar";
	strMonthArray[3] = "Apr";
	strMonthArray[4] = "May";
	strMonthArray[5] = "Jun";
	strMonthArray[6] = "Jul";
	strMonthArray[7] = "Aug";
	strMonthArray[8] = "Sep";
	strMonthArray[9] = "Oct";
	strMonthArray[10] = "Nov";
	strMonthArray[11] = "Dec";
	
	if (strDate.length < 1) {
		return false;
	}
	
	for (intElementNr = 0; intElementNr < strSeparatorArray.length; intElementNr++) {
		if (strDate.indexOf(strSeparatorArray[intElementNr]) != -1) {
			strDateArray = strDate.split(strSeparatorArray[intElementNr]);
			if (strDateArray.length != 3) {
				err = 1;
				return false;
			}
			else {
				strDay = strDateArray[2];
				strMonth = strDateArray[1];
				strYear = strDateArray[0];
			}
			booFound = true;
   		}
	}
	if (booFound == false) {
		if (strDate.length>5) {
			strDay = strDate.substr(0, 2);
			strMonth = strDate.substr(2, 2);
			strYear = strDate.substr(4);
   		} else {
   			return false;
   			}
	}
	if (strYear.length == 2) {
		strYear = '20' + strYear;
	}
	// US style
	if (strDatestyle == "US") {
		strTemp = strDay;
		strDay = strMonth;
		strMonth = strTemp;
	}
	intday = parseInt(strDay, 10);
	if (isNaN(intday)) {
		err = 2;
		return false;
	}

	intMonth = parseInt(strMonth, 10);
	if (isNaN(intMonth)) {
		for (i = 0;i<12;i++) {
			if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) {
				intMonth = i+1;
				strMonth = strMonthArray[i];
				i = 12;
   			}
		}
		if (isNaN(intMonth)) {
			err = 3;
			return false;
   		}
	}
	intYear = parseInt(strYear, 10);
	if (isNaN(intYear)) {
		err = 4;
		return false;
	}
	if (intMonth>12 || intMonth<1) {
		err = 5;
		return false;
	}
	if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
		err = 6;
		return false;
	}
	if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
		err = 7;
		return false;
	}
	if (intMonth == 2) {
		if (intday < 1) {
			err = 8;
			return false;
		}
		if (LeapYear(intYear) == true) {
			if (intday > 29) {
				err = 9;
				return false;
			}
		}
		else {
			if (intday > 28) {
				err = 10;
				return false;
			}
		}
	}
}


function LeapYear(intYear) {
	if (intYear % 100 == 0) {
		if (intYear % 400 == 0) { return true; }
	}
	else {
		if ((intYear % 4) == 0) { return true; }
	}
	return false;
}

function isNumber(arg) {
	intarg = parseInt(arg, 10);
	if (isNaN(intarg)) {
		return false;
	} else {
		return true;
	}
}	


function checkPassword(pass,pass2)
{
	if (pass.value!=pass2.value)
	{
		alert("Podane hasła nie pasują do siebie.");
		return false;
	}
	
	return true;
}