var win;

function center(url, winname, winw, winh){
	win = window.open(url, winname, 'width=' + winw + ',height=' + winh + ',status=no');
	var margx = (screen.width - winw) / 2;
	var margy = (screen.height - winh) / 2;	
	win.moveTo(margx, margy);
	win.focus();
}


function img_popup(it, img){
	var surrounding_tag = it.parentNode.nodeName;
	if (surrounding_tag == 'a' || surrounding_tag == 'A'){
		return;
	}
	else
		window.open('/cms/showcmsimg.php?src=' + img, '_blank', 'height=' + cms_max_height + ',width=' + cms_max_width + ',scrollbars=no,location=no,status=no');
}