	<!-- /////////////////////////////////ajax///////////////////////////////////// -->
	function load(str){
	var req;
		if(window.XMLHttpRequest){//for netcape,FireFox
			req=new XMLHttpRequest();	
			
		}else if(window.ActiveXObject){//for windows;
			req=new ActiveXObject("Microsoft.XMLHTTP");	
			
		}else{
			alert("Erowser Error");
			return false;
		}
		req.onreadystatechange=function()
		{
			
			if(req.readyState==4){
				var resultarea=document.getElementById("contentcenter-center-left");
				resultarea.innerHTML = req.responseText;
			}else{
				var resultarea=document.getElementById("contentcenter-center-left");
				resultarea.innerHTML="process...";
			}
			 
		}
		req.open("GET", str, true);
		req.send(null);
		
  }