// JavaScript Document
var xmlHttp
var xmlHttpnews

function products_list(class_id)
{
	
  if (class_id==0)
    { 
    document.getElementById("products_list").innerHTML="<select name='search_keywords' class='input_search_keywords' ><br/><option value='#'>请选择产品类别</option><br/></select>";
    return;
    }

  xmlHttp=GetXmlHttpObject()

  if (xmlHttp==null)
    {
    alert ("您的浏览器不支持AJAX！");
    return;
    }
  var url="http://www.sandmake.cn/include/ajax.php?cid="+class_id;
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 

document.getElementById("products_list").innerHTML=xmlHttp.responseText;
}
}

function GetXmlHttpObject()
{
  var xmlHttp=null;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
return xmlHttp;
}