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)));
		}