locc = 'http://' + document.domain + '/';

for (i in document.links) {

	// внешняя?
	if(document.links[i].href && document.links[i].href.search(locc) < 0) {
		document.links[i].target = "_blank";
		document.links[i].href = "/frame.php?"+document.links[i].href;
	}

	// фрейм
	if(document.links[i].href && document.links[i].href.search(locc+"frame.php?") == 0) {
		document.links[i].target = "_blank"
	}
}