function OpenImagePopup(imgPath, title, alt) {
var win = window.open('','preview',
'width=300,height=10,left=50,top=50,screenX=0,screenY=0,resizable=0,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 + '' +
'' +
'
'
win.document.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)/2.5 - w/2.5;
var top = (self.opera ? iHeight : screen.availHeight)/5 - h/5;
win.resizeTo(w=660, h=620);
win.moveTo(left, top);
}
win.onload = winDoc.body.onload; // special for Mozilla
// !!! Very important statement: popup onload won't execute without it!
win.document.close();
win.focus();
}