function toggleLayer( whichLayer )
{
var elem, vis;
if( document.getElementById ) // this is the way the standards work
elem = document.getElementById( whichLayer );
else if( document.all ) // this is the way old msie versions work
elem = document.all[whichLayer];
else if( document.layers ) // this is the way nn4 works
elem = document.layers[whichLayer];
vis = elem.style;
// if the style.display value is blank we try to figure it out here
if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}
function OpenImagePopup(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 + '' +
'' +
'' +
'
' +
'' +
''
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 - w/2;
var top = (self.opera ? iHeight : screen.availHeight)/2 - h/2;
win.resizeTo(w+10, h+115);
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();
}