<!-- //

   /**
    * Tests if a number i s a loat
    * @param value
    */
   function isFloat(value) {
	var float_reg = /^((\d+(\.\d*)?)|((\d*\.)?\d+))$/;
	return  float_reg.test(value);
   }

   /**
    * Remove any spaces from a field
    * (Could extend this to remove commas)
    * @param form field to remove spaces from
    */
   function stripSpaces(field) {
       var spaces_reg 		= /^\s+$/;
       var spacefree_value 	= "";
       var a_char 		= "";

       theValue = field.value;

       for(i=0;i<theValue.length;i++) {

       	    a_char = theValue.charAt(i);

	    if (!spaces_reg.test(a_char)) {

		spacefree_value += a_char;

	    }
       }

       // assign the spaceless value
       field.value = spacefree_value;
   }

   function formatCurrency(num) {

	// num = num.toString().replace(/\$|\,/g,'');
	 if(isNaN(num)){
	   num = "0";
	 }

	 sign = (num == (num = Math.abs(num)));
	 num = Math.floor(num*100+0.50000000001);
	 pences = num%100;
	 num = Math.floor(num/100).toString();

	 if(pences<10){
		 pences = "0" + pences;
	 }

	 for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++){
		num = num.substring(0,num.length-(4*i+3))+','+ num.substring(num.length-(4*i+3));
	 }

	 return (((sign)?'':'-') + num + '.' + pences);
   }


  /**
    * Remove any commas from a field
    * (Could extend this to remove commas)
    * @param form field to remove spaces from
    */
   function stripCommas(field) {
       var commas_reg 		= /^,+$/;
       var commafree_value 	= "";
       var a_char 		= "";

       theValue = field.value;

       for(i=0;i<theValue.length;i++) {

       	    a_char = theValue.charAt(i);

	    if (!commas_reg.test(a_char)) {

		commafree_value += a_char;

	    }
       }

       // assign the spaceless value
       field.value = commafree_value;
   }

  /**
    * Remove any commas from a value
    */
   function removeCommas(theValue) {
       var commas_reg 		= /^,+$/;
       var commafree_value 	= "";
       var a_char 		= "";

       for(i=0;i<theValue.length;i++) {

       	    a_char = theValue.charAt(i);

			if (!commas_reg.test(a_char)) {

			commafree_value += a_char;

			}
       }

       // assign the spaceless value
       return commafree_value;
   }


    // Declaring valid date character, minimum year and maximum year
    var dtCh= "-";
    var minYear=1900;
    var maxYear=2100;

    function isInteger(s){
        var i;
        for (i = 0; i < s.length; i++){
            // Check that current character is number.
            var c = s.charAt(i);
            if (((c < "0") || (c > "9"))) return false;
        }
        // All characters are numbers.
        return true;
    }

    function isChar(s){

	   var sChars = new Array('a','b','c','d','e','f','g','h','i','j','k','l','m',
							'n','o','p','q','r','s','t','u','v','w','x','y','z',
							'A','B','C','D','E','F','G','H','I','J','K','L','M',
							'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');

        var i;
        for (i = 0; i < sChars.length; i++){
            // Check that current character is a letter.
            if (sChars[i] == s) return i;
        }
		return -1;
    }


	function trim(str)
	{
	   return str.replace(/^\s*|\s*$/g,"");
	}


	function stripNonDigits(str)
	{
	   return str.replace(/[^\d]*/gi,"");
	}

    function stripCharsInBag(s, bag){
        var i;
        var returnString = "";
        // Search through string's characters one by one.
        // If character is not in bag, append to returnString.
        for (i = 0; i < s.length; i++){
            var c = s.charAt(i);
            if (bag.indexOf(c) == -1) returnString += c;
        }
        return returnString;
    }

    function daysInFebruary (year){
        // February has 29 days in any year evenly divisible by four,
        // EXCEPT for centurial years which are not also divisible by 400.
        return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
    }
    function DaysArray(n) {
        for (var i = 1; i <= n; i++) {
            this[i] = 31
            if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
            if (i==2) {this[i] = 29}
       }
       return this
    }

    function isDate(dtStr){
        var daysInMonth = DaysArray(12);
        var pos1=dtStr.indexOf(dtCh);
        var pos2=dtStr.indexOf(dtCh,pos1+1);
        var strDay=dtStr.substring(0,pos1);
        var strMonth=dtStr.substring(pos1+1,pos2);
        var strYear=dtStr.substring(pos2+1);
        strYr=strYear;
        if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
        if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
        for (var i = 1; i <= 3; i++) {
            if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
        }
        month=parseInt(strMonth);
        day=parseInt(strDay);
        year=parseInt(strYr);
        if (pos1==-1 || pos2==-1){
            //alert("The date format should be : dd-mm-yyyy")
            return false;
        }
        if (strMonth.length<1 || month<1 || month>12){
            //alert("Please enter a valid month")
            return false;
        }
        if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
            //alert("Please enter a valid day")
            return false;
        }
        if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
            //alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
            return false;
        }
        if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
            //alert("Please enter a valid date")
            return false;
        }
    return true;
    }

    function validYear(yearStr){
        year=parseInt(yearStr);
        if (yearStr.length != 4 || year==0 ){
            //alert("Please enter a valid 4 digit)
            return false;
        }
        return true;
    }

    // Declaring valid date character, minimum year and maximum year

    function isTime(timeStr){
		var timeCh = ":";
		var pos1=timeStr.indexOf(timeCh);
        var pos2=timeStr.indexOf(timeCh,pos1+1);
		if (pos2==-1 ){
		   timeStr = timeStr + ':00';
		   pos2= timeStr.indexOf(timeCh,pos1+1);
		}
        var strHour=timeStr.substring(0,pos1);
        var strMinute=timeStr.substring(pos1+1,pos2);
        var strSecond=timeStr.substring(pos2+1);
        if (strHour.charAt(0)=="0" && strHour.length>1) strHour=strHour.substring(1)
        if (strMinute.charAt(0)=="0" && strMinute.length>1) strMinute=strMinute.substring(1)
        if (strSecond.charAt(0)=="0" && strSecond.length>1) strSecond=strSecond.substring(1)
        hour=parseInt(strHour);
        minute=parseInt(strMinute);
        second=parseInt(strSecond);
        if (pos1==-1 || pos2==-1){
          //  alert("The time format should be : hh:mm:ss");
            return false;
        }
        if (strHour.length<1 || hour<0 || hour>23){
          //  alert("Please enter a valid hour, 00 to 23");
            return false;
        }
        if (strMinute.length<1 || minute<0 || minute>59 ){
          //  alert("Please enter a valid minute");
            return false;
        }
        if (strSecond.length<1 || second<0 || second>59 ){
          //  alert("Please enter a valid second");
            return false;
        }
        if (timeStr.indexOf(timeCh,pos2+1)!=-1 || isInteger(stripCharsInBag(timeStr, timeCh))==false){
           // alert("Please enter a valid time");
            return false;
        }
        return true;
    }

	function isValidDateRange(startDate,endDate){

        var pos1=startDate.indexOf(dtCh);
        var pos2=startDate.indexOf(dtCh,pos1+1);
        var strStartDay=startDate.substring(0,pos1);
        var strStartMonth=startDate.substring(pos1+1,pos2);
        var strStartYear=startDate.substring(pos2+1);
        StartMonth= strStartMonth - 0 ;
        StartDay= strStartDay - 0;
        StartYear= strStartYear - 0;

        var endPos1=endDate.indexOf(dtCh);
        var endPos2=endDate.indexOf(dtCh,endPos1+1);
        var strEndDay=endDate.substring(0,endPos1);
        var strEndMonth=endDate.substring(endPos1+1,endPos2);
        var strEndYear=endDate.substring(endPos2+1);

		EndDay = strEndDay - 0;
        EndMonth= strEndMonth - 0;
        EndYear= strEndYear - 0;
		if (StartYear > EndYear){
			return false;
		}else if (StartYear == EndYear && StartMonth > EndMonth){
			return false;
		}else if (StartYear == EndYear && StartMonth == EndMonth && StartDay > EndDay){
			return false;
		}else{
			return true;
		}
		return true;
	}

    function isYearDifferenceLessThanTwo(compareDate){
        var curdate = new Date()
        var year = curdate.getYear()

        if(year < 1900){
            year = year + 1900;
        }


        var pos1=compareDate.indexOf(dtCh);
        var pos2=compareDate.indexOf(dtCh,pos1+1);
        var strCompareDay=compareDate.substring(0,pos1);
        var strCompareMonth=compareDate.substring(pos1+1,pos2);
        var strCompareYear=compareDate.substring(pos2+1);
        CompareYear= strCompareYear - 0;

        if((CompareYear - year) > 1 || (year - CompareYear)>1){
            return false;
        }
        return true;
    }
// -->