var result="";
function Trim(val) 
{
	ltrim(val);
	return result;		
}
function ltrim(lval) 
{
	if(lval=="" || lval.charAt(0)!=' ')  
		return rtrim(lval);
	else
		ltrim(lval.substring(1,lval.length));
}
function rtrim(rval) 
{
	if(rval=="" || rval.charAt(rval.length-1)!=' ')  	 
		{result =rval; return rval;}
	else
		rtrim(rval.substring(0,(rval.length-1)));
}