function validatemoney(num) {
	var result;
	var re;
	num = num.toString().replace(/\$|\,|[^\.0-9\-]/g,'');
	if(isNaN(num)) num = "0";
	if (num.length == 0 || num == "0") return "";
	re = /^(-)?(\d*)?(\.(\d*))?$/
	matches = re.exec(num)
	if (matches == null) return "";
	
	result = matches[1]+"$";
	num = matches[2];
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++) 
		num = num.substring(0,num.length-(4*i+3))+','+num.substring(num.length-(4*i+3)); 
	if (matches[2] != "") result += num; else result += "0";
	if (matches[3] != null && matches[4] != null) {
		cents = new Number("0."+matches[4].substr(0,4));
		if (cents != 0){
			cents = Math.round(cents*10000);
			centstxt = cents.toString();
			if(cents < 1000) centstxt = "0" + centstxt;
			if(cents < 100) centstxt = "0" + centstxt;
			if(cents < 10) centstxt = "0" + centstxt;
			centstxt = centstxt.toString().replace(/0*$/g,'');
			result += "."+centstxt;
		}
	}
	return result;
}


function validateint(num)
{
	num = num.toString().replace(/[^0-9]/g,'');
	return num;
}

function validatefloat(num)
{
	num = num.toString().replace(/[^\d\.]/g,'').replace(/\.\d+\..*/g,'');
	if (num.length == 0) return "";
	mynum = new Number();
	mynum = num;
	numint = Math.floor(mynum);
	fraction = mynum - numint;
	if (numint == 0) return fraction.toString(); else return num;
}

function validatephone(num){
	var straightphonepat=/^\d{10}$/
	var removedelim =/[\.,\-,\s,\(,\)]/g
	
	if (num.replace(removedelim,"").match(straightphonepat)) num = num.replace(removedelim,"")

	if (num.match(straightphonepat)) {
		num = num.substr(0,3) + "-" + num.substr(3,3) + "-" + num.substr(6,4);
	} 
	return num;
}


function validatedate(num)
{
	var straightdatepat=/\d{6}/
	if (num.match(straightdatepat)) {
		num = num.substr(0,2) + "/" + num.substr(2,2) + "/" + num.substr(4,2);
	} 

	var mdate;
	var s;
	s = "";
	i = Date.parse(num);
	if (isNaN(i)) return "";
	mdate = new Date(i);
	year = mdate.getFullYear();
	if (year >= 1900 && year < 1950) year =  mdate.getFullYear() + 100;
	else if (year < 1900) year =  Date.Year;
	return (mdate.getMonth()+1) + "/" + mdate.getDate() + "/" + year;
}

function limittextarea(area,value) {
	var additional = area.value.match(/\n|\r/g);
	if (additional!=null) additional = additional.length
	if (area.value.length+additional > value) area.value=area.value.substring(0, value-additional);