// drop-down menu functionality
sfHover = function() {
  var sfEls = document.getElementById("nav2").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); 
   
// pop-up window for enlarging images in shop
function popUp ( image ) {
window.open( "images/" + image + ".jpg","enlargedImage","status=0,toolbar=0,width=550,height=550,resizable=0,scrollbars=0");
}