function open_forum_map(url, width, height)
{
	
 var win_w = width;
 var win_h = height;
 var myScreenW = screen.width;
 var myScreenH = screen.height;

 leftPos = (myScreenW - win_w)/2;
 topPos = (myScreenH - win_h)/2;

 window.open(url, null, "width=" + win_w + ", height=" + win_h + ", toolbar=no, status=no, menubar=no, scrollbars=no, resizable=no, top=" + topPos + ", left=" + leftPos + "");
 return false;	
}