window.onload=function()
{
var xml_path="/web/bin/export_new.php";
  if(document.implementation&&document.implementation.createDocument)
  {
    doc=document.implementation.createDocument('','',null);
    doc.onload=handler; //执行handler()
    doc.load(xml_path);
//firefox XML创建
  }
  else if(window.ActiveXObject)
  {
    doc=new ActiveXObject("Microsoft.XMLDOM");
    doc.onreadystatechange=function(){if(doc.readyState==4)handler();} //执行handler()
    doc.load(xml_path);
//IE XML创建
  }
  else alert("XML创建出错！");
}
function handler()
{  var mages="<table width='100%' height='51' border='0' cellpadding='0' cellspacing='0'><tr>";
   var tlink=doc.getElementsByTagName("link");  //获取XML节点link
   for(var i=0;i<tlink.length;i++)
   {
      var value1=tlink[i].getAttribute("ID"); //获取XML节点link属性
      var title=tlink[i].getElementsByTagName("title")[0].firstChild.data; //获取XML节点link分支title的内容
      var english=tlink[i].getElementsByTagName("english")[0].firstChild.data;
	  var a_href=tlink[i].getElementsByTagName("a_href")[0].firstChild.data;
	  var sublink=tlink[i].getElementsByTagName("sublink");
          if (pageID==10) {
	  if (sublink.length == 0) { var thismouse = "onmouseover=\"hiddenmenu();\""; } else { var thismouse = "onmouseover=\"showmenu("+ value1 +");\""; }
	  } else { thismouse=""; } 
          if (value1 == pageID) { 
	  mages+="<td "+ thismouse +"><img src='/web/images/"+ title +".gif'></td>";
	   } else {
	  mages+="<td><a "+ a_href +"?pageID="+ value1 +"' "+ thismouse +"><img src='/web/images/"+ title +"_b.gif' border='0'></a></td>";
	  } 
      Menu[value1]=new Array();  //建立数组
      for(var j=0;j<sublink.length;j++)
      {
         var value2=sublink[j].getAttribute("ID");
         var subtitle=sublink[j].getElementsByTagName("subtitle")[0].firstChild.data;
	     var sub_href=sublink[j].getElementsByTagName("sub_href")[0].firstChild.data;
		 var submenu = new Object(); //新建对象submenu
		 submenu.title = subtitle;
		 submenu.href = sub_href;
		 Menu[value1].push(submenu);  //对象submenu推入数组
      }
   }
document.getElementById('show_menu').innerHTML=mages + "</tr></table>"; hiddenmenu();
var index=doc.getElementsByTagName("index_html");
index_html(index);
}
function showmenu(vale){
	document.getElementById('submenu').style.display="";
	var mages1="";
	if (Menu[vale].length != 0) {
            for (var k=0;k<Menu[vale].length;k++ )
           {
              mages1=mages1+" <a "+ Menu[vale][k].href +"' class='white'>"+ Menu[vale][k].title +"</a>";
	    }
        }
      document.getElementById('submenu').innerHTML=mages1; 
}

function hiddenmenu(){
	if (Menu[pageID].length != 0) {
	 document.getElementById('submenu').style.display="";
	 var mages1="";
	   for (var k=0;k<Menu[pageID].length;k++ ) {
		mages1=mages1+" <a "+ Menu[pageID][k].href +"' class='white'>"+ Menu[pageID][k].title +"</a>";
			
		}
		document.getElementById('submenu').innerHTML=mages1; 
	} else { document.getElementById('submenu').style.display="none"; }
      
}
function index_html(xmlDoc) {
       var items=xmlDoc;
	   var str="<table width='100%' border='0'>";
       var links=items[0].getElementsByTagName("index_id");
	   // alert(links.length);alert(links);
	   var str="<table width='100%' border='0'><tr><td>&nbsp;</td><td><img src='images/bbs.gif'><p></td></tr>";
       for(var l=0;l<links.length;l++)
       {
         var tid=links[l].getAttribute("ID");
         var subjects=links[l].getElementsByTagName("name")[0].firstChild.data;
		 str=str + "<tr><td width='20'>&nbsp;</td><td><img src='images/prot.gif'> <a href='http://www.changye.com.cn/bbs/viewthread.php?tid="+ tid +"' target='_blank' class='white'>"+ subjects +"</a></td></tr><tr><td height='5'></td><td height='5'></td></tr>";
		 // alert(content);
         }
		 str=str + "</table>";
          document.getElementById('index_html').innerHTML=str;
}

// end ajax