function newWindow(url,w)
{
  window.open(url, "WinC", "width=" + w + ",height=400,toolbar=no,location=no,directories=no,status=no,menubar=no, scrollbars=yes,resizable=yes,copyhistory=no")
}

function createXMLHttpRequest(){
	var activexmodes=["Msxml2.XMLHTTP","Microsoft.XMLHTTP","Msxml2.XMLHTTP.6.0","Msxml2.XMLHTTP.3.0"] //activeX versions to check for in IE
	if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
		for (var i=0; i<activexmodes.length; i++){
			try {
				return new ActiveXObject(activexmodes[i])
			}
			catch(e){
				//suppress error
			}
		}
	}
	else if (window.XMLHttpRequest) // if Mozilla, Safari etc
		return new XMLHttpRequest()
	else
		return false;
}

function isNotEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus(); // set the focus to this input
		return false;
	}
	return true;
}

function isNumeric(elem, helperMsg){
	var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphanumeric(elem, helperMsg){
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function lengthRestriction(elem, min, max){
	var uInput = elem.value;
	if(uInput.length >= min && uInput.length <= max){
		return true;
	}else{
		alert(elem.name + ": Please enter between " +min+ " and " +max+ " characters");
		elem.focus();
		return false;
	}
}

function madeSelection(elem, helperMsg){
	if(elem.value == "Please Choose"){
		alert(helperMsg);
		elem.focus();
		return false;
	}else{
		return true;
	}
}

function emailValidator(elem, helperMsg){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isDate(elem, helperMsg, leeg) {
	value = elem.value;
    try {
		if (leeg && ((value.length == 0) || value == "0000-00-00") )
			return true;
        //Change the below values to determine which format of date you wish to check. It is set to yyyy-mm-dd by default.
        var YearIndex = 0;
        var MonthIndex = 1;
        var DayIndex = 2;
 
        value = value.replace("/", "-").replace(".", "-"); 
        var SplitValue = value.split("-");
        var OK = true;
		
        if ((SplitValue[DayIndex].length != 2) ) {
            OK = false;
        }
        if (OK && (SplitValue[MonthIndex].length != 2)) {
            OK = false;
        }
        if (OK && (SplitValue[YearIndex].length != 4)) {
            OK = false;
        }
        if (OK) {
            var Day = parseInt(SplitValue[DayIndex], 10);
            var Month = parseInt(SplitValue[MonthIndex], 10);
            var Year = parseInt(SplitValue[YearIndex], 10);
            if (OK = ((Year > 1900) && (Year < 2050 ))) {
                if (OK = (Month <= 12 && Month > 0)) {
                    var LeapYear = (((Year % 4) == 0) && ((Year % 100) != 0) || ((Year % 400) == 0));
 
                    if (Month == 2) {
                        OK = LeapYear ? Day <= 29 : Day <= 28;
                    }
                    else {
                        if ((Month == 4) || (Month == 6) || (Month == 9) || (Month == 11)) {
                            OK = (Day > 0 && Day <= 30);
                        }
                        else {
                            OK = (Day > 0 && Day <= 31);
                        }
                    }
                }
            }
        }
    }
    catch (e) {
        OK = false;
    }
	if (OK)  
		return true
	else {
		alert(helperMsg + " (" + value + ")");
		elem.focus();
		return false;
	}
}