String.prototype.ltrim = fncLTrim;
    String.prototype.rtrim = fncRTrim;
    String.prototype.trim = fncTrim;
    String.prototype.strip = fncStrip;
    String.prototype.left = fncLeft;
	String.prototype.withIn = fncWithIn;
	Number.prototype.withIn = fncWithIn;
	String.prototype.isNumeric = fncIsNumeric;
	Number.prototype.isNumeric = fncIsNumeric;
	String.prototype.isDateFormat = fncIsDateFormat;
	String.prototype.isDateList = fncIsDateList;
	String.prototype.isDate = fncIsDate;
    String.prototype.isModulus11 = fncIsModulus11;
    String.prototype.isEAN= fncIsEAN;
    String.prototype.formatDigit = fncFormatDigit;
    String.prototype.isValidChar = fncIsValidChar;
    String.prototype.isEmail = fncIsEmail;
    String.prototype.isExpression = fncIsExpression;
    String.prototype.isIn = fncIn;
    String.prototype.isNotIn = fncNotIn;
    String.prototype.parseFloat = fncParseFloat;
    String.prototype.toFixed = fncToFixed;
    String.prototype.endsWith = fncEndsWith;
	
	function fncEndsWith()
	{
		var l = this.length;
		var snip = "";
		for ( var i=0; i<arguments.length; i++ )
		{
			snip = this.substring( l - arguments[i].length, l ).toLowerCase();
			if ( snip == arguments[i].toLowerCase() )
			{
				return true;
			}
		}
		return false;
	}
	
	
	function fncToFixed() 
	{   
		var x = arguments[0];
		return Math.round(this*Math.pow(10,x))/Math.pow(10,x);   
	}

	function fncParseFloat(){
		var f = this.replace(",", ".");
		return parseFloat(f); 
	}

	function fncIn(){
		for(i=0; i<arguments.length; i++){
			if(this.toLowerCase() == arguments[i].toString().toLowerCase()) {
				return true;
			}
		}
		return false;
	}

	function fncNotIn(){
		for(i=0; i<arguments.length; i++){
			if(this.toLowerCase() == arguments[i].toString().toLowerCase()) {
				return false;
			}
		}
		return true;
	}

	function fncIsExpression(){
		var Exprssn;
		if(arguments.length==0){
			Exprssn = "";
		}
		 else {
			Exprssn = arguments[0];
		}

		var myRegExp1 = new RegExp(Exprssn); 
		
		if (!myRegExp1.test(this)){
			return false;
		} else {
			return true;
		}
	}

	function fncIsValidChar() {
		var ValidChars;
		
		if(arguments.length==0){
			ValidChars = "";
		}
		 else {
			ValidChars = arguments[0];
		}
		
		var IsValidChars=true;
		var Char;

	   for (i = 0; i < this.length && IsValidChars == true; i++) 
	      { 
	      Char = this.charAt(i); 
	      if (ValidChars.indexOf(Char) == -1) 
	         {
	         IsValidChars = false;
	         }
	      }
	   return IsValidChars;
	}

	function fncIsEmail(){
		
		// Modified 16.09.2004 due to Mac IE 5.0 behaviour 
		//var myRegExp1 = new RegExp(/^([a-zA-Z0-9][\w\.-]*)?[a-zA-Z0-9]@[\w-\.]*[a-zA-Z0-9]\.[a-zA-Z]{2,7}$/)
		var myRegExp1 = /^([a-zA-Z0-9][\w\.-]*)?[a-zA-Z0-9]@[\w-\.]*[a-zA-Z0-9]\.[a-zA-Z]{2,7}$/

		if (myRegExp1.test(this)) {
			return true;
		} else {
			return false;
		}
	}

	function fncLeft(index){
		return this.substr(0, index);
	}
	
	function fncFormatDigit(DigitLength){
		
		var tmpVal = "";
		for(i=this.length; i<DigitLength; i++) {
			tmpVal = "0" + tmpVal;
		}
		return tmpVal + this;

	}
    
    function fncLTrim() {
        return this.replace(/^\s+/,'');
    }
    function fncRTrim() {
        return this.replace(/\s+$/,'');
    }
    function fncTrim() {
        return this.replace(/^\s+/,'').replace(/\s+$/,'');
    }
    function fncStrip() {
        return this.replace(/\s+/g,'');
    }

	function fncWithIn(NumStart, NumStop){
		if (this.isNumeric()!=true){
			return false;
		}

		if (this > NumStart && this <= NumStop) {
			return true;
		} else {
			return false;
		}			
	}
	
	function fncIsNumeric() {
	   var ValidChars = "0123456789.";
	   var IsNumber=true;
	   var Char;

	   for (i = 0; i < this.length && IsNumber == true; i++) 
	      { 
	      Char = this.charAt(i); 
	      if (ValidChars.indexOf(Char) == -1) 
	         {
	         IsNumber = false;
	         }
	      }
	   return IsNumber;
	   
	   }

	function fncIsDateFormat(){
		var	strMask = "^\\d\\d-\\d\\d-\\d\\d\\d\\d$;^\\d\\d\/\\d\\d\/\\d\\d\\d\\d$";
		var arrMask = strMask.split(';')
		var blnMatch = false
		
		for(i=0;i<arrMask.length;i++){
			var myRegExp = new RegExp(arrMask[i])
			if (myRegExp.test(this)){
				blnMatch = true;
				break;
			}
			else{
				blnMatch = false;
			}
		}
		return blnMatch;
	}

	function fncIsDateList(dateSeparator){
		var dates = this.trim().split(dateSeparator)
		var i = 0;
		for (i=0;i<dates.length;i++){
			if(!dates[i].trim().isDateFormat() || !dates[i].trim().isDate() ){
				return false;
			};
		}
		return true;
	}

	function y2k(number){ 
			return (number < 1000) ? number + 1900 : number; 
		 } 
 
	function fncIsDate () { 
		
		if (this.isDateFormat()!=true){
			return false;
		}
			
		var day = this.substring(0,2)
		var month = this.substring(3,5)
		var year = this.substring(6,10)
			
	    var today = new Date(); 
	    year = ((!year) ? y2k(today.getYear()):year); 
	    month = ((!month) ? today.getMonth():month-1); 
		
		if (year < 1900 || year >= 2300){
			return false;
		}
		
    	var test = new Date(year,month,day); 
 
   	 	if ( (y2k(test.getYear()) == year) && (month == test.getMonth()) &&  (day == test.getDate()) ){ 
 	    		return true; 
			}	 
		    else{ 
   		  	   return false; 
			} 
	} 
	
	function fncIsModulus11(){
		var Check = new String("4327654321");
		var lngSum = new Number(0);
		for(i=0;i<this.length;i++){
			lngSum = lngSum + (this.substr(i,1) * Check.substr(i,1))
		}

		if (lngSum%11==0) {
			return true;
		} else {
			return false;
		}		
	}

	function fncIsEAN(){
		var Check = new String("131313131313");
		var lngSum = new Number(0);
		for(i=0;i<this.length;i++){
			lngSum = lngSum + (this.substr(i,1) * Check.substr(i,1))
		}
		return (10-lngSum %10)%10 == this.substr(this.length-1, 1);
	}

	var actObjct;

	function fncVBMakeDate(dateString){
		var _day = dateString.substr(0,2)
		var _month = dateString.substr(3,2)
		var _year = dateString.substr(6,4)
		Date1 = new Date(_year, _month, _day);
		return Date1.toString();
	}

	function VBDateDiff(DateUnit, Date1, Date2){
		Date1 = fncVBMakeDate(Date1)
		Date2 = fncVBMakeDate(Date2)
		switch (DateUnit){ 
			case "year" : 
				var UnitDivide = 1000*60*60*24*365; 
				break; 
			case "day" : 
				var UnitDivide = 1000*60*60*24; 
				break; 
		}
			
		myDate = new Date()
		myDate.setTime(Date.parse(Date1))
		
		return Math.floor ((Date.parse(Date2)-Date.parse(Date1))/(UnitDivide));
		
	}