startList = function() {
    if (document.all&&document.getElementById) {
        navRoot = document.getElementById("categories");
        
        for (i=0; i<navRoot.childNodes.length; i++) {      
            node = navRoot.childNodes[i];
            for (ii=0; ii<node.childNodes.length; ii++) {      
            node2 = node.childNodes[ii];            
            
            if (node2.nodeName=="UL" && node2.className=='nav') {  
                for (iii=0; iii<node2.childNodes.length; iii++) {
                    node3 = node2.childNodes[iii];
                    if (node3.nodeName=="LI") {
                        node3.onmouseover=function() {
                            this.className+=" over";
                        }
                        node3.onmouseout=function() {
                            this.className=this.className.replace(" over", "");
                        }
                    }
                }
            }
        }
    }
}
}
window.onload=startList;

function showpic(element,width,height)
{
  href   = element.href;
  title  = element.getElementsByTagName('img')[0].alt;
  swleft = Math.round((self.screen.width - width)/2);
  swtop  = Math.round((self.screen.height - height)/3);
  params = "height="+height+",width="+width+", left="+swleft+", top="+swtop+", toolbar=no, menubar=no, scrollbars=no, resizable=yes, location=no, directories=no, status=no";
  window.open(href,"",params);
}

function clearit(obj)
{
  obj.value='';
}