imageArray = new Array();
current = "";
function load_img(name_src)
{
if(document.images) {
var temp = imageArray[name_src];
if(! temp) {
temp = new Image();
temp.src = name_src;
imageArray[name_src] = temp;
}

return temp;
}

}
function replace_img(name, name_src)
{ 
if(document.images) {
if(name != current) {
document[name].src = load_img(name_src).src;
}
}
}


load_img("images/nav_about_over.gif");
load_img("images/nav_undergrad_over.gif");
load_img("images/nav_graduate_over.gif");
load_img("images/nav_courses_over.gif");
load_img("images/nav_faculty_over.gif");
load_img("images/nav_current_over.gif");

function switchhook() {
 var thelink = document.getElementById("ouhook").href;
 var lnks = document.links;
 for (var i=0;i<lnks.length;i++) {
  if (lnks[i].id == "copylink") {
   lnks[i].href = thelink;
   break;
  }
 }
}
function nostatus () {
 window.status="";
 return true;
}