function showWnd(url, width, height)
{
	var newx = width+40;
	var newy = height+80;
	wnd = window.open(url, null, "height=" + newy + ", width=" + newx + ", top=" + (window.screen.availHeight / 2 - height / 2) + ", left=" + (window.screen.availWidth / 2 - width / 2) + ", status=yes, toolbar=no, menubar=no, location=no", true);
	
	if(wnd)
	{
		wnd.focus();
		wnd.moveTo(window.screen.availWidth / 2 - width / 2, window.screen.availHeight / 2 - height / 2);
		

		wnd.resizeTo(newx, newy);
		
		if(!wnd.opener)
			wnd.opener = self;
	}
	return wnd;
}