<!--弹出无地址栏窗口-->
window["MzBrowser"]={};(function()
{
if(MzBrowser.platform) return;
var ua = window.navigator.userAgent;
MzBrowser.platform = window.navigator.platform;

MzBrowser.firefox = ua.indexOf("Firefox")>0;
MzBrowser.opera = typeof(window.opera)=="object";
MzBrowser.ie = !MzBrowser.opera && ua.indexOf("MSIE")>0;
MzBrowser.mozilla = window.navigator.product == "Gecko";
MzBrowser.netscape= window.navigator.vendor=="Netscape";
MzBrowser.safari= ua.indexOf("Safari")>-1;

if(MzBrowser.firefox) var re = /Firefox(\s|\/)(\d+(\.\d+)?)/;
else if(MzBrowser.ie) var re = /MSIE( )(\d+(\.\d+)?)/;
else if(MzBrowser.opera) var re = /Opera(\s|\/)(\d+(\.\d+)?)/;
else if(MzBrowser.netscape) var re = /Netscape(\s|\/)(\d+(\.\d+)?)/;
else if(MzBrowser.safari) var re = /Version(\/)(\d+(\.\d+)?)/;
else if(MzBrowser.mozilla) var re = /rv(\:)(\d+(\.\d+)?)/;

if("undefined"!=typeof(re)&&re.test(ua))
MzBrowser.version = parseFloat(RegExp.$2);
})(); 
function showWindow(url,width,height,e){
if(e === 1){
	
		if(typeof(b) !== "undefined" && b){
		b.close();
		delete b;
	}
	if(typeof(c) !== "undefined" && c){
		c.close();
		delete c;
	}
	
	if(typeof(a) !== "undefined" && a){
		a.close();
	   delete a;
	}

	if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){ 
		var top = (screen.availHeight - 400) / 2;
		var left = (screen.availWidth - 600)/2;
		a=window.open(url,"1","resizable=no,location=no,height=300,width=400,menubar=no,scrollbars=no,status=no,toolbar=no,top="+top+",left="+left);
    } 
    else
    {
        if(MzBrowser.version=='6')
		{
		
			a =window.showModelessDialog(url,"","status=no;dialogWidth=416px;dialogHeight=355px");
		}
		 if(MzBrowser.version=='7')
		{
			a =window.showModelessDialog(url,"","status=no;dialogWidth=400px;dialogHeight=300px");
		}
		 if(MzBrowser.version=='8')
		{
			a =window.showModelessDialog(url,"","status=no;dialogWidth=400px;dialogHeight=300px");
		}
	}   
	
}

if(e === 2){
	//b =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=600px");
		if(typeof(b) !== "undefined" && b){
		b.close();
		delete b;
	}
	if(typeof(c) !== "undefined" && c){
		c.close();
		delete c;
	}
	
	if(typeof(a) !== "undefined" && a){
		a.close();
	   delete a;
	}

	if(isFirefox1=navigator.userAgent.indexOf("Firefox")>0){ 
		var top1 = (screen.availHeight - 400) / 2;
		var left1 = (screen.availWidth - 600)/2;
		b=window.open(url,"1","resizable=no,location=no,height=600,width=800,menubar=no,scrollbars=no,status=no,toolbar=no,top="+top1+",left="+left1);
    } 
    else
    {
		if(MzBrowser.version=='6')
		{
			b =window.showModelessDialog(url,"","status=no;dialogWidth=806px;dialogHeight=652px");
		}
		if(MzBrowser.version=='7')
		{
			b =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=600px");
		}
		if(MzBrowser.version=='8')
		{
			b =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=600px");
		}
    }
}
if(e === 3){
	//c =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=550px;");
	if(isFirefox2=navigator.userAgent.indexOf("Firefox")>0){ 
		var top2 = (screen.availHeight - 400) / 2;
		var left2 = (screen.availWidth - 600)/2;
		c=window.open(url,"1","resizable=no,location=no,height=550,width=800,menubar=no,scrollbars=no,status=no,toolbar=no,top="+top2+",left="+left2);
    } 
    else
    {
		if(MzBrowser.version=='6')
		{
			 c =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=550px;");
		}
		if(MzBrowser.version=='7')
		{
			 c =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=550px;");
		}
		if(MzBrowser.version=='8')
		{
			 c =window.showModelessDialog(url,"","status=no;dialogWidth=800px;dialogHeight=550px;");
		}
       
    }
	
}
}
<!--弹出无地址栏窗口-->