if (typeof StringUtils == "undefined")
{

StringUtils = YAHOO.namespace("trp.vrt.common.js.stringutils");
//intended for additional functionality for javascript strings  -- Apache commons StringUtils
StringUtils.StringBuffer = function(){

	 var buffer =[];
	 
	 return {
		
		 append:function(string)
		 {
		 	buffer.push(string);
		 	return this;
		 },
	 
	 	toString:function()
	 	{
			 return buffer.join("");
	 	}
	
 	 };
 };
 
 }