function link_extern(url) {
	window.open(url,'','outerWidth=1024,outerHeight=768,scrollbars=yes,location=no,menubar=no,resizable=yes,status=yes,toolbar=no,directories=no');
}
function link_intern(url) {
	self.location.href=url;
}
function highlight(text) {
	window.defaultStatus = text;
}
function lowlight() {
	window.defaultStatus = '';
}