function link_popup(url,window_name) {
	window.open(url.href,window_name,'width=400,height=300,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes');
}

function popup(url,window_name) {
	window.open(url.href,window_name,'width=800,height=400,status=no,menubar=no,scrollbars=yes,resizable=yes');
	return false;
}

function sized_popup(url,window_name,width,height) {
	window.open(url.href,window_name,'width='+width+',height='+height+',status=no,menubar=no,scrollbars=yes,resizable=yes');
	return false;
}