//menuwidth=600; 
menuwidth=400; 
pagewidth=780; 
//shift=(pagewidth-menuwidth)/2; ltop=0;
shift=0; ltop=0;
//moveOnScroll=true;
moveOnScroll=false;
scrollSpeed=20;
scrolled='document.body.scrollTop';

/* shield page from geezer browsers -- try to get them to upgrade */
if (document.layers) {top.location.href="http://www.mozilla.org";
   }
if (document.all &&!document.getElementById) { //oops - MSIE ver 5
   top.location.href="http://www.microsoft.com/windows/ie/";
   }

/* scrolling stuff to hold menu on screen */
function checkScrolled(){
   document.getElementById('zone').style.top=eval(scrolled)+ltop+'px';
   setTimeout('checkScrolled()',scrollSpeed);
   }
   
/* begin JavaScript code for the dropdown menu system */
function show(elmnt) {
   document.getElementById(elmnt).style.visibility="visible";
   }
   
function hide(elmnt) {
   document.getElementById(elmnt).style.visibility="hidden";
   }
   
function menuInit() { //init centers menu 'zone', sets scrolling ptr
   /* position the menu contents element */
   document.getElementById('zone').style.marginLeft=shift+'px';
   document.getElementById('zone').style.marginTop=ltop+'px';
   /* scrolling stuff to hold menu on screen */
   x1=eval(scrolled);window.scrollBy(0,1);//test scrolled ptr
   x2=eval(scrolled);window.scrollBy(0,-1);//reset position
   if ((x2-x1)<1) {scrolled='document.documentElement.scrollTop';}
   if(moveOnScroll){checkScrolled();}
   }
/* end JavaScript code for dropdown menu system */