JavaScript弹出DIV实例 JavaScript弹出DIV实例

				
				
				var dragapproved=false
				var minrestore=0 //该变量表示窗口目前的状态，0表示初始化状态，1表示最大化状态
				var initialwidth,initialheight
				//若Client浏览器为IE5.0以上版本的
				var ie5=document.all&&document.getElementById
				//若Client浏览器为NetsCape6。0版本以上的
				var ns6=document.getElementById&&!document.all
				
				function iecompattest(){
				return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
				}
				
				function drag_drop(e){
				if (ie5&&dragapproved&&event.button==1){
				document.getElementById("dwindow").style.left=tempx+event.clientX-offsetx+"px"
				document.getElementById("dwindow").style.top=tempy+event.clientY-offsety+"px"
				}
				else if (ns6&&dragapproved){
				document.getElementById("dwindow").style.left=tempx+e.clientX-offsetx+"px"
				document.getElementById("dwindow").style.top=tempy+e.clientY-offsety+"px"
				}
				}
				
				function initializedrag(e){
				offsetx=ie5? event.clientX : e.clientX
				offsety=ie5? event.clientY : e.clientY
				document.getElementById("dwindowcontent").style.display="none" //此句代码可不要
				tempx=parseInt(document.getElementById("dwindow").style.left)
				tempy=parseInt(document.getElementById("dwindow").style.top)
				
				dragapproved=true
				document.getElementById("dwindow").onmousemove=drag_drop
				}
				
				function loadwindow(url,width,height){
				if (!ie5&&!ns6) //若不为IE或Netscpae浏览器，则使用一般的Window.open进行弹出窗口处理
				window.open(url,"","width=width,height=height,scrollbars=1")
				else{
				document.getElementById("dwindow").style.display=''
				document.getElementById("dwindow").style.width=initialwidth=width+"px"
				document.getElementById("dwindow").style.height=initialheight=height+"px"
				document.getElementById("dwindow").style.left=window.screen.width/3;
				document.getElementById("dwindow").style.top=ns6? window.pageYOffset*1+40+"px" : iecompattest().scrollTop*1+30+"px"
				document.getElementById("cframe").src=url
				}
				}
				
				function maximize(){
				if (minrestore==0){
				minrestore=1 //maximize window
				document.getElementById("maxname").setAttribute("src","restore.gif")
				document.getElementById("dwindow").style.width=ns6? window.innerWidth-20+"px" : iecompattest().clientWidth+"px"
				document.getElementById("dwindow").style.height=ns6? window.innerHeight-20+"px" : iecompattest().clientHeight+"px"
				}
				else{
				minrestore=0 //restore window
				document.getElementById("maxname").setAttribute("src","max.gif")
				document.getElementById("dwindow").style.width=initialwidth
				document.getElementById("dwindow").style.height=initialheight
				}
				document.getElementById("dwindow").style.left=ns6? window.pageXOffset+"px" : iecompattest().scrollLeft+"px"
				document.getElementById("dwindow").style.top=ns6? window.pageYOffset+"px" : iecompattest().scrollTop+"px"
				}
				
				function closeit(){
				document.getElementById("dwindow").style.display="none"
				
				}
				
				function stopdrag(){
				dragapproved=false;
				document.getElementById("dwindow").onmousemove=null;
				document.getElementById("dwindowcontent").style.display="" //extra
				}
				
				
				
				
				
				
				
				
				
				
				
				
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