function InitAjax()
{
 var ajax=false; 
 try { 
  ajax = new ActiveXObject("Msxml2.XMLHTTP"); 
 } catch (e) { 
  try { 
   ajax = new ActiveXObject("Microsoft.XMLHTTP"); 
  } catch (E) { 
   ajax = false; 
  } 
 }
 if (!ajax && typeof XMLHttpRequest!='undefined') { 
  ajax = new XMLHttpRequest(); 
 } 
 return ajax;
}



	function ajax_get(url,showbox){

	var show = document.getElementById(showbox); 

	var ajax = new InitAjax();

	var tamp=new Date().getTime()
	url=url+"&tamp="+tamp;
	ajax.open("GET", url, true); 

	ajax.onreadystatechange = function() { 

	if (ajax.readyState == 4 && ajax.status == 200) { 
	show.innerHTML = ajax.responseText; 
	} else { show.innerHTML = "<img src='/images/loading.gif' />";}
	}

	ajax.setRequestHeader("If-Modified-Since","0");
	ajax.send(null); 
	
	}


	function ajax_get_check(url,showbox){

	var show = document.getElementById(showbox); 

	var ajax = InitAjax();

	ajax.open("GET", url, true); 

	ajax.onreadystatechange = function() { 

	if (ajax.readyState == 4 && ajax.status == 200) { 
	show.innerHTML = ajax.responseText; 
	} else { show.innerHTML = "<img src='/images/loading.gif' />";}
	}

	ajax.setRequestHeader("If-Modified-Since","0");
	ajax.send(null); 
	
	}
<!--    
/*   
获取GET值的JavaScript   
原创 by pader [QQ:270075658] [Homepage:www.vgot.cn] [E-mail:ypnow@163.com]   
  location_get_vars[get[0]] = unescape(get[1]);   
*/   
function QueryGET(){    
var urlt = window.location.href.split("?");    
var gets = urlt[urlt.length-1].split("&");    
var location_get_vars = new Array();    
 for(var i=0;i<gets.length;i++){    
  var get = gets[i].split("=");    
  eval("location_get_vars['" + get[0] + "'] = '" + unescape(get[1]) + "';");    
 }    
return location_get_vars;    
}    
   
   
-->