/* START Drop Down Navigation */
<!--//--><![CDATA[//><!--
sfHover = function() {
	var sfEls = document.getElementById("dd_menu").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);
//--><!]]>
/* External Links */
  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";
  }
  }
<!--END Drop Down Navigation -->
<!--  START: ie fix for side_menu -->
function leftnav(thecat) {
var place = document.getElementById(thecat).style;
if ((place.display == 'none') || (place.display == '')) {
place.display = 'block';
}
else {
place.display = 'none';
}
}
<!--  END: ie fix for side_menu -->