基于层的网页弹出提示，可移动，网页变灰_层和布局特效

基于层的网页弹出提示，可移动，网页变灰，可关闭。而且还是动画打开，超不错的，CSS高手们可以继续再美化一下弹出效果，那就更完美了。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>基于层的网页弹出提示，可移动，网页变灰－/</title>
<style type="text/css">

</style>
</head>
<body >
<div id="bodyL"> <a href="#" onclick = "show('fd',event);return false;"> 弹出提示</a> </div>
<div id="fd" style="display:none;filter:alpha(opacity=100);opacity:1;">
  <div class="mrcup"> <a href="#" class="od" onclick = "closeed('fd');return false;"> 关闭 </a>
    <div id="tittleup">模板无忧提示：</div>
    <ul id="upmrc">
      <li>您现在来到的网站是模板无忧（mb5u.com），提供精品源代码下载、源码下载、网页特效代码，电子书籍等，本站热烈欢迎您的到来，谢谢支持我们。</li>
    </ul>
  </div>
</div>
<script type="text/javascript">
    var prox;
    var proy;
    var proxc;
    var proyc;
	var isIe=(document.all)?true:false;
	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
};
}
//关闭
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('');}
}
    function show(id,ev){/*--打开--*/
	closeWindow();
	var bWidth=parseInt(document.documentElement.scrollWidth);
	var bHeight=parseInt(document.documentElement.scrollHeight)<592?592:parseInt(document.documentElement.scrollHeight);
	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=40);":"opacity:0.40;";
	back.style.cssText=styleStr;
	document.body.appendChild(back);
	
        clearInterval(prox);
        clearInterval(proy);
        clearInterval(proxc);
        clearInterval(proyc);
        var o = document.getElementById(id);
        o.style.display = "block";
        o.style.width = "1px";
        o.style.height = "1px"; 
        prox = setInterval(function(){openx(o,500)},10);
		
    }    
    function openx(o,x){/*--打开x--*/
        var cx = parseInt(o.style.width);
        if(cx < x)
        {
            o.style.width = (cx + Math.ceil((x-cx)/5)) +"px";
        }
        else
        {
            clearInterval(prox);
            proy = setInterval(function(){openy(o,300)},10);
        }
    }    
function openy(o,y){/*--打开y--*/
///        
var cy = parseInt(o.style.height);
        if(cy < y)
        {
            o.style.height = (cy + Math.ceil((y-cy)/5)) +"px";
        }
        else
        {
            clearInterval(proy);            
        }
    }    
    function closeed(id){/*--关闭--*/
	closeWindow();
        clearInterval(prox);
        clearInterval(proy);
        clearInterval(proxc);
        clearInterval(proyc);        
        var o = document.getElementById(id);
        if(o.style.display == "block")
        {
            proyc = setInterval(function(){closey(o)},10);            
        }        
    }    
    function closey(o){/*--打开y--*/    
        var cy = parseInt(o.style.height);
        if(cy > 0)
        {
            o.style.height = (cy - Math.ceil(cy/5)) +"px";
        }
        else
        {
            clearInterval(proyc);                
            proxc = setInterval(function(){closex(o)},10);
        }
    }    
    function closex(o){/*--打开x--*/
        var cx = parseInt(o.style.width);
        if(cx > 0)
        {
            o.style.width = (cx - Math.ceil(cx/5)) +"px";
        }
        else
        {
            clearInterval(proxc);
            o.style.display = "none";
        }
    }    
    
    
    /*-------------------------鼠标拖动---------------------*/    
    var od = document.getElementById("fd");    
    var dx,dy,mx,my,mouseD;
    var odrag;
    var isIE = document.all ? true : false;
    document.onmousedown = function(e){
        var e = e ? e : event;
        if(e.button == (document.all ? 1 : 0))
        {
            mouseD = true;            
        }
    }
    document.onmouseup = function(){
        mouseD = false;
        odrag = "";
        if(isIE)
        {
            od.releaseCapture();
            od.filters.alpha.opacity = 100;
        }
        else
        {
            window.releaseEvents(od.MOUSEMOVE);
            od.style.opacity = 1;
        }        
    }

//function readyMove(e){    
    od.onmousedown = function(e){
        odrag = this;
        var e = e ? e : event;
        if(e.button == (document.all ? 1 : 0))
        {
            mx = e.clientX;
            my = e.clientY;
            od.style.left = od.offsetLeft + "px";
            od.style.top = od.offsetTop + "px";
            if(isIE)
            {
                od.setCapture();                
                od.filters.alpha.opacity = 50;
            }
            else
            {
                window.captureEvents(Event.MOUSEMOVE);
                od.style.opacity = 0.5;
            }
            
            //alert(mx);
            //alert(my);
            
        } 
    }
    document.onmousemove = function(e){
        var e = e ? e : event;
        
        //alert(mrx);
        //alert(e.button);        
        if(mouseD==true && odrag)
        {        
            var mrx = e.clientX - mx;
            var mry = e.clientY - my;    
            od.style.left = parseInt(od.style.left) +mrx + "px";
            od.style.top = parseInt(od.style.top) + mry + "px";            
            mx = e.clientX;
            my = e.clientY;
            
        }
    }
function showBackground(obj,endInt)
{
obj.filters.alpha.opacity+=1;
if(obj.filters.alpha.opacity<endInt)
{
setTimeout(function(){showBackground(obj,endInt)},8);
}
}
</script>
</body>
</html>

所属频道：层和布局特效/更新时间：2012-12-03

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