$(document).ready(function() {
						   
	$('ul.has_dropdown li:has(ul)').hover(
		function() {
			//show dropdown
			$(this).addClass('hover');
		},
		
		function() {
			//hide dropdown
			$(this).removeClass('hover');
		}
	);
	
});

// open external link in new tab/window

// use rel="external" instead of target="_blank"

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";

    }

}

window.onload = externalLinks;

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);