//set navigation rollovers
$(document).ready(function() {
	var navElements = $("#menu_secondary").children("li > a");
	//console.log(navElements);
	navElements.each(function(i){
		    $(navElements[i]).hover(
			 function() {
				var sel = $(this).children("a").attr("class");  
				curr = $(this).find("img").attr("src");
			if(sel != "selected"){
			  if(curr.indexOf("_on.gif")!=-1) return;
			  overlen = curr.length;
			  over = curr.substr(0, overlen-4);
			  over = over+'_on.gif';
			  $(this).find("img").attr({ src: over});
			}
			 },
			 function() {
				var sel = $(this).children("a").attr("class");
				if(sel != "selected"){
			  $(this).find("img").attr({ src: curr});
			}
			 }
			)

			$(navElements[i]).find("img").each(function(i) {
			  temp = this.src;
			  prelen = temp.length;
			  pre = temp.substr(0, prelen-4);
			  pre = pre+'_on.gif';
			  preload_image_object = new Image();
			  preload_image_object.src = pre;
			});
		});//end each
});

function getCookie(c_name){
  if (document.cookie.length>0){
	c_start=document.cookie.indexOf(c_name + "=");
	if(c_start!=-1){ 
	  c_start=c_start + c_name.length+1; 
	  c_end=document.cookie.indexOf(";",c_start);
	  if (c_end==-1) c_end=document.cookie.length;
	  return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
  return "";
}

function setCookie(c_name,value,expiredays){
  var exdate=new Date();
  exdate.setDate(exdate.getDate()+expiredays);
  document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}