jsHover = function() {
		var hEls = document.getElementById("nav").getElementsByTagName("LI");
		for (var i=0, len=hEls.length; i<len; i++) {
			hEls[i].onmouseover=function() { this.className+=" jshover"; }
			hEls[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
		}
	}
	if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);
	
	
	function show(ele) {
      var srcElement = document.getElementById(ele);
      if(srcElement) {
          if(srcElement.style.display == "block") {
            srcElement.style.display= 'none';
          }
          else {
            srcElement.style.display='block';
          }
      }
}