function $(obj)
{
    return document.getElementById(obj)
}
 function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i=0;
	while(i<clen) {
		var j=i+alen;
		if(document.cookie.substring(i,j)==arg)
			return www_helpor_net(j);
		i=document.cookie.indexOf(" ",i)+1;if(i==0)
			break;
	}
	return null;
}
function www_helpor_net(offset) {
	var endstr=document.cookie.indexOf(";",offset);
	if(endstr==-1)
	endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset,endstr));
}
function setCache()
{
    var cacheprod = document.getElementById("cacheproduct");

    if(cacheprod!=null)
    {
        var cook = getCookie("CACHE_PRODUCTS");
       
        var result = controls_readproduct.GetCacheProduct(cook);
        if(result!=null)
       cacheprod.innerHTML=result.value;
    }
}

  window.attachEvent("onload",function(){

    var app_area = $("ctl00_Content_lblapp_area");
    var technic_param = $("ctl00_Content_lbltechnic_param");
    var note = $("ctl00_Content_lblnote");

 if(note!=null)
    if(note.innerHTML=='')
        $("note").style.display='none';
        
    if(app_area!=null)
    if(app_area.innerHTML=='')
        $("app_area").style.display='none';
     
    if(technic_param!=null)
    if(technic_param.innerHTML=='')
        $("technic_param").style.display='none';
    setCache();
	});
	
	//删除cookies
function delCookie(name)
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
var cacheprod = document.getElementById("cacheproduct");
cacheprod.innerHTML="";
}