// JavaScript Document

var selectBar = document.getElementById("obj0");
var ShowBar = document.getElementById("qyjj");
function SetBar(Obj,ImgSrc){
  if(selectBar){
    selectBar.style.backgroundImage = "url()";
  }
  selectBar = Obj;
  selectBar.style.backgroundImage = "url(/Images/"+ImgSrc+")";
}
function $_ahtcb(id)
{
  return document.getElementById(id);
}
function CheckNav(top,Objname,ShowObj){
   for(i=0;i<top;i++){
      $_ahtcb(Objname+i).style.backgroundImage = "url()";
   }
   $_ahtcb(ShowObj).style.backgroundImage = "url(/Images/snav.jpg)";
}
function SetShow(ShowFlag){
   ShowBar = ShowFlag;
}
function ClearShow(id){
   if(ShowBar){
     ShowBar.style.display="none";
   }
   $_ahtcb(id).style.display="block";
   ShowBar = "";
}

String.prototype.LTrim = function() 
{ 
   return this.replace(/(^\s*)/g, ""); 
} 

var ShowID = "";
var IndexNum;
var Site = "";
//定义数组并初始化
var List = new Array(16);
for(var i=0;i<List.length;i++){
  List[i] = "";
}

function hello(ID,Type,Url,Num,ShowPart,Index,ImgSite){
   //在不同的浏览器中创建Ajax的核心引擎XMLHTTPRequest（xmlReq）
   ShowID = ShowPart;
   IndexNum = Index;
   Site = ImgSite;
   var Char = List[IndexNum];

   if(Char == ""){
   
   	   if(window.XMLHttpRequest){
		//非ie浏览器
		xmlReq=new XMLHttpRequest();
	   }else if(window.ActiveXObject){
		//ie浏览器
		xmlReq=new ActiveXObject("Microsoft.XMLHTTP");
	   }   
   
      if(xmlReq){    
		var url = "/Ajax.asp?ID="+escape(ID)+"&Num="+Num+"&Url="+Url+"&Type="+Type; //escape是去空格的函数
		//设置对服务器端servlet发送的信息       true代表异步请求
		xmlReq.open("GET",url,true);
		//设置一个回调的函数来处理servlet返回的xml结果
		xmlReq.onreadystatechange=callback;
		//发送的异步请求
		xmlReq.send(null);//null 代表地址栏传参    
	  }
	  
   }else{
      $_ahtcb(ShowID).innerHTML = Char;
   }    

}
function callback(){
    if(xmlReq.readyState==4){
     if(xmlReq.status==200){
      //获得dom解析器
       var res=xmlReq.responseText;//获得第一个节点的值
	   document.getElementById(ShowID).style.innerHTML='';
       document.getElementById(ShowID).innerHTML=res;
	   List[IndexNum] = res;
     }
    }else{
	   $_ahtcb(ShowID).innerHTML = "<img src='/Images/loading.gif' style='margin-top:"+Site+"px;' />";
	}    
}


function MyClick(o,Sname,num){
  for(var i=1;i<=num;i++){
     $_ahtcb(Sname+i).className = "";
  }
  o.className = "Over";
}