var application = {
  	isIE : window.navigator.appName.indexOf("Microsoft") == 0,
	isFF : window.navigator.appName == "Netscape",
	isOpera : window.navigator.appName == "Opera"
};
//ajax
var ajax = {
  method : 'POST',
  create : function(){
   if(application.isFF)this.method = 'GET';
   var Ajax = null;
	if(window.XMLHttpRequest){
	  Ajax = new XMLHttpRequest();
	  if(Ajax.overrideMimeType)Ajax.overrideMimeType("text/xml");
	}else if(window.ActiveXObject){
	   try{
	      Ajax = new ActiveXObject("Microsoft.XMLHTTP");
	   }catch(e){
	      try{
		     Ajax = new ActiveXObject("Msxml2.XMLHTTP");
		  }catch(e2){
		    for(var i=3;i<=5;i++){
			   Ajax = new ActiveXObject("Msxml2.XMLHTTP."+i+".0");
			   if(Ajax)break;
			}
		  }
	   }
	}
	if(!Ajax){
	   alert('Not xmlHttpRequest Object.');return null;
	}
   return Ajax;
 },
  response : function(Ajax,url,readyStateChange){
    Ajax.open(this.method,url,true);
	Ajax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	Ajax.setRequestHeader("Content-Length",url.length);
	Ajax.send(null);
	if(readyStateChange!=null) Ajax.onreadystatechange = readyStateChange;
  },
  request : function(Ajax){
	 var read = Ajax.readyState;
	 if(read==4||read=='complate'){
		var html = Ajax.responseText;
			return html;
	   }else{return 'loading......'+read+'0%';}
	 }
};
var xml = ajax.create();

//url
function header(url){
   top.location = url;
}
function exit(){
   document.body.innerHTML = '';
}
function goUrl(url){
  window.location = url;
}
function winreload(){
  window.location.reload();
}
function winclose(){
  window.opener = null;this.opener = null;window.close();
}
function get(item){
  var svalue = location.search.match(new RegExp("[\?\&]" + item + "=([^\&]*)(\&?)","i"));
  return svalue ? svalue[1] : svalue;
}

function $(){return document.getElementById?document.getElementById(arguments[0]):eval(arguments[0]);}
var ChangeDesc,ChangeDesd,as1,as2,mousePos;
function mouseMove(ev){
ev = ev || window.event;
mousePos = mouseCoords(ev);
}

function mouseCoords(ev){
if(ev.pageX || ev.pageY){
return {x:ev.pageX, y:ev.pageY};
}
return {
x:ev.clientX + document.documentElement.scrollLeft - document.documentElement.clientLeft-140,
y:ev.clientY + document.documentElement.scrollTop - document.documentElement.clientTop-140
};
}

document.onmousemove = mouseMove;

function hidde(){
document.getElementById("loading").style.display='none';
}
function OpenDiv(sont,stwo,pone,ptwo,oone,otwo) {
$("Loading").innerHTML="";
ChangeDesc=pone;ChangeDesd=ptwo;
as1=sont;as2=stwo;
document.getElementById("loading").style.display='';
document.getElementById("loading").style.top=mousePos.y+"px";
document.getElementById("loading").style.left=mousePos.x+"px";
document.getElementById("loading").style.height=95+"px";
document.getElementById("loading").style.width=150+"px";
AjaxGet(as1,as2,ChangeDesc,ChangeDesd);
}

function OpenDiv1() {
$("Loading").innerHTML="";
document.getElementById("loading").style.display='';
}

//创建XML对象
function createXMLHttps(){
var ret = null;
try {ret = new ActiveXObject('Msxml2.XMLHTTP')}
catch (e) {
	try {ret = new ActiveXObject('Microsoft.XMLHTTP')}
        catch (ee) {ret = null}
	}
if (!ret&&typeof XMLHttpRequest !='undefined') ret = new XMLHttpRequest();
return ret;
}

function AjaxGet(t1,t2,u1,u2){
var xmlhttp = createXMLHttps();
var fi="ajax.asp"
var URL=fi+"?pid="+ u1 +"&pid1="+ u2 +"&pname="+t1+"&pf="+t2+"&action=add_cart";
xmlhttp.open("POST",URL,true);
xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status==404) {$("Loading").innerHTML='读取页面失败,文件'+fi+'不存在!';return}
if (xmlhttp.readyState == 4 && xmlhttp.status == 200){
        var html = xmlhttp.responseText;//alert(html);
		html = html.split('<script>');eval(html[1]);
		$("Loading").innerHTML="<div class='LoadContent' onclick='hidde();'>"+html[0]+"</div>";
		
		}
	}
xmlhttp.send(null);
}

function add_cart_update(cid,pronum){
  var url = 'ajax.asp?cid='+cid+'&pronum='+pronum+'&action=add_cart_update';
  ajax.response(xml,url,add_cart_update_ed);
}
function add_cart_update_ed(){
 var html = ajax.request(xml);
 if(typeof(html)=='undefined')return;
 OpenDiv1();html = html.split('<script>');eval(html[1]);
 $("Loading").innerHTML="<div class='LoadContent' onclick='hidde();'>"+html[0]+"</div>";
}

function update_cart(cart_num,cart_total){
  if(!$('cart_num')){winreload();return;}
  $('cart_num').innerHTML = cart_num;
  $('cart_total').innerHTML = cart_total;
}