// Trim Functions ( trim(),ltrim(),rtrim() )
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");}

// example of using trim, ltrim, and rtrim
// var myString = " hello my name is ";
// alert("*"+myString.trim()+"*");
// alert("*"+myString.ltrim()+"*");
// alert("*"+myString.rtrim()+"*");