var d = document;
function rTrim(sString)
{
	while (sString.substring(sString.length-1, sString.length) == ' ')
	{
	sString = sString.substring(0,sString.length-1);
	}
	return sString;
}

function lTrim(sString)
{
	while (sString.substring(0,1) == ' ')
	{
	sString = sString.substring(1, sString.length);
	}
	return sString;
}

function Trim( sString )
{
	return lTrim( rTrim(sString) );
}

function isEmpty( ele )
{
	ele = Trim(ele);
	if( ele == "" || ele == null )
		return true;	
	return false;
}

function isValidPhoneNumber(s) 
{	
	var stripped = s.replace(/[\(\)\.\-\ ]/g, '');
	//strip out acceptable non-numeric characters
	if(isNaN(stripped)) {
	   return false;
	}
	return true;
}

function cleanCashAmount(s) 
{	
	s = s.replace(/[\,$\(\) ]/g, '');
	//strip out acceptable non-numeric characters
	var parsed = parseFloat(s);
	if(parsed==s)
		return parsed;
	return false;
}

function echeck(str) 
{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   //alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   //alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		//alert("Invalid E-mail ID")
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail ID")
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		//alert("Invalid E-mail ID")
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		//alert("Invalid E-mail ID")
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		//alert("Invalid E-mail ID")
		return false
	 }

	 return true					
}