function Browser() {
var ua, s, i;
this.isIE = false; // Internet Explorer
this.isGK = false; // Gecko
this.isNS = false; // Netscape
this.version = null;
ua = navigator.userAgent;
s = "MSIE";
if ((i = ua.indexOf(s)) >= 0) {
this.isIE = true;
this.version = parseFloat(ua.substr(i + s.length));
return;
}
s = "Netscape6/";
if ((i = ua.indexOf(s)) >= 0) {
this.isNS = true;
this.version = parseFloat(ua.substr(i + s.length));
return;
}
s = "Gecko";
if ((i = ua.indexOf(s)) >= 0) {
this.isGK = true;
this.version = 6.1;
return;
}
}
var browser = new Browser();
function ImagePopup(imgPath, title, alt)
{
var win = window.open('','preview', 'width=50,height=50,left=0,top=0,screenX=0,screenY=0,resizable=1,scrollbar=0,status=0');
var winDoc = win.document;
if (title == undefined) title = 'My Image, Click to Close';
if (alt == undefined) alt = 'My Image, Click to Close';
var content = '' + title + '' + '' +
''
winDoc.write(content);
winDoc.body.onload = function() {
var obj = winDoc.getElementById('image');
var w = obj.width, h = obj.height;
var iHeight= document.body.clientHeight, iWidth = self.innerWidth;
var left = (self.opera ? iWidth : screen.availWidth)/2 - w/2;
var top = (self.opera ? iHeight : screen.availHeight)/2 - h/2;
if (browser.isGK)
{
w += 8 + 2;
h += 51 + 2;
}
else if (browser.isIE)
{
w += 12 + 2;
h += 31 + 2;
}
win.resizeTo(w, h);
win.moveTo(left, top);
}
win.onload = winDoc.body.onload; // Gecko
// popup onload won't execute without
winDoc.close();
win.focus();
}