function Trim() {
   return this.replace(/\s+$|^\s+/g,"");
   }

function LTrim() {
   return this.replace(/^\s+/,"");
   }

function RTrim() {
   return this.replace(/\s+$/,"");
   }
	
String.prototype.Trim=Trim;	
String.prototype.RTrim=RTrim;	
String.prototype.LTrim=LTrim;