var isIe=(document.all)?true:false;
//设置select的可见状态
function setSelectState(state)
{
var objl=document.getElementsByTagName('select');
for(var i=0;i<objl.length;i++)
{
objl[i].style.visibility=state;
}
}
function mousePosition(ev)
{
if(ev.pageX || ev.pageY)
{
return {x:ev.pageX, y:ev.pageY};
}
return {
x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,y:ev.clientY + document.body.scrollTop - document.body.clientTop
};
}
//弹出方法
function showMessageBox(wTitle,content,pos,wWidth)
{
closeWindow();
var bWidth=parseInt(document.documentElement.scrollWidth);
var bHeight=parseInt(document.documentElement.scrollHeight);
//var bHeight=parseInt(document.documentElement.clientHeight);
if(isIe){
setSelectState('hidden');}
var back=document.createElement("div");
back.id="back";
var styleStr="top:0px;left:0px;position:absolute;background:#666;width:"+bWidth+"px;height:"+bHeight+"px;";
styleStr+=(isIe)?"filter:alpha(opacity=0);":"opacity:0;";
back.style.cssText=styleStr;
document.body.appendChild(back);
showBackground(back,50);
var mesW=document.createElement("div");
mesW.id="mesWindow";
mesW.className="mesWindow";
mesW.innerHTML="<div class='mesWindowContent' id='mesWindowContent'>"+content+"</div>";
var v_top=(document.body.clientHeight-mesW.clientHeight)/2;
//v_top+=document.documentElement.scrollTop;
styleStr="top:"+(200)+"px;left:"+(document.body.clientWidth/2-mesW.clientWidth/2)+"px;position:absolute;width:600px;margin-left:-400px;left:50%;z-index:9999;";
mesW.style.cssText=styleStr;
document.body.appendChild(mesW);
}
//让背景渐渐变暗
function showBackground(obj,endInt)
{
if(isIe)
{
obj.filters.alpha.opacity+=5;
if(obj.filters.alpha.opacity<endInt)
{
setTimeout(function(){showBackground(obj,endInt)},5);
}
}else{
var al=parseFloat(obj.style.opacity);al+=0.05;
obj.style.opacity=al;
if(al<(endInt/100))
{setTimeout(function(){showBackground(obj,endInt)},2);}
}
}
//关闭窗口
function closeWindow()
{
if(document.getElementById('back')!=null)
{
document.getElementById('back').parentNode.removeChild(document.getElementById('back'));
}
if(document.getElementById('mesWindow')!=null)
{
document.getElementById('mesWindow').parentNode.removeChild(document.getElementById('mesWindow'));
}
if(isIe){
setSelectState('');}
}
//测试弹出
function testMessageBox(ev)
{//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
var objPos = mousePosition(ev);
messContent="<div style=' width:800px; margin-left:auto; margin-right:auto; height:537px; background:url(images/tanchu4.jpg)'><ul style=' margin:0px; padding:0px; list-style-type:none;'><li style=' width:750px; height:21px; margin-left:auto; margin-right:auto; text-align:right; padding-top:17px; font-size:0px; line-height:0px;'><a href='#' onClick='buxianshi()'><img src='images/tanchu2.jpg' width='58' height='21' border='0' /></a></li><li style=' margin:0px; padding:0px; font-size:0px; line-height:0px;'><img src='images/tanchu1.jpg' /></li><li style=' width:750px; height:21px; margin-left:auto; margin-right:auto; text-align:right; '><a href='#' onClick='buxianshi()'><img src='images/tanchu3.jpg' width='68' height='28' border='0' /></a></li></ul></div>";
showMessageBox('',messContent,objPos,350);
}



function setcookie(name,value){   
    var Days = 30;   
    var exp  = new Date();   
    exp.setTime(exp.getTime() + Days*24*60*60*1000);   
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();   
}   
  
function getcookie(name){   
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));    
    if(arr != null){   
        return unescape(arr[2]);   
    }else{   
        return "";   
    }   
}   
  
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();   
}   
 
function buxianshi()
{
	if (document.cookie != "") {    
    setcookie("GD-cms", "fengjingbo");   
	closeWindow();
    } 
}
//delcookie("GD-cms");