function checkemail(emailst)
{
	var str=emailst
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str))
	{testresults=true}
	else
	{testresults=false}
	return (testresults)
}
function fRemoveSpace(tStr)
{
	var tmpArr = tStr.split('');
	var tmpReturn = '';
	
	for(var i = 0; i < tStr.length; i++)
	{
		if(tmpArr[i] != ' ')
			tmpReturn += tmpArr[i];		
	}
	
	return tmpReturn;
}
function checkPhoneNumber(phoneNumber)
{
	var phoneLength = 10;	

	<!-- check if phone number is 10 char in length -->
	if(phoneNumber.length == phoneLength)
	{
		var i;
		for(i = 0; i <= 9; i++)
		{
			
			<!-- check if each char is integer -->
			var c = phoneNumber.charAt(i);
			if (((c < "0") || (c > "9"))) return false;
		}
		
		return true;
	}
	else
	{
		return false;
	}
}