// set navigation to be "on" when a page is selected - specific to the sensible website at present

$(document).ready(function() {
   var pathname = window.location.pathname;
   var pLen = pathname.length - 4;
   if(pathname.lastIndexOf("/site_update/") > -1) {
       pathname = pathname.substring(13,pLen);
   } else {
       pathname = pathname.substring(1,pLen);       
   }
   if(pathname.lastIndexOf("equipment-hire") > -1) {
       pathname = "equipment-hire";
   }
   if(pathname == "/") {
       pathname = "home";
   }
   // set the image
   var imgID = "#"+pathname;
   var newImg = "images/nav/"+pathname+"_on.png";
   // alert(newImg);
   $(imgID).attr("src", newImg);
   $(imgID).attr("onmouseout", "");
   $(imgID).attr("onmouseover", "");
});