/*			vyhlada linky <a rel="external"></a> a nahradi ich <a target="_blank"></a>		*/
window.addEvent('load', externalLinks);
function externalLinks() { 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
//		anchor.target = "_blank"; 
		anchor.target = "ext"; 
		}
	} 
}