function slideShow(url) {
	w = 550;
	h = 550;
	bigshow = window.open( url, 'ext',
	    'status,resizable,top=0,left=100,screenX=0, screenY=0,width='
	    + w + ',height=' + h );
	if (window.focus) {
	    bigshow.focus()
	}
}