function spawnImage(url,pwidth,pheight) {
winwidth = pwidth;
winheight = pheight;
displayHeight=screen.height; displayWidth=screen.width;
centeredHeight = (displayHeight-winheight) / 2; centeredWidth = (displayWidth-winwidth) / 2;
if( photowin ) { photowin.close(); }
photowin = window.open('about:blank','photowin','width=' + winwidth + ',height=' + winheight + ',toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=1,left=' + centeredWidth + ',top=' + centeredHeight + ',screenX=' + centeredWidth + ',screenY=' + centeredHeight);
photowin.document.open();
photowin.document.write('Altus Learning Systems Inc.
');
photowin.document.close();
photowin.focus();
}