/* ====== check image position [no slide] ====== modified 20 April 2007  === */
// (C) Copyright Graf Web Design - Australia. All rights reserved
// global variables
    var strt=0, fini=0, frm                         
    var nextChk=800;                               // <<<<< msec pause between check for move
//
function chk() {
 // determine scroll offset 
 if(document.body && typeof document.body.scrollTop !="undefined"){ 
   fini= document.body.scrollTop          // offset to top of page IE & NN7
 }else{
   if(typeof window.scrollY !="undefined"){ 
   fini= window.scrollY }       // offset to top of page NN6 
}
//
// any moves?
  if(strt==fini){ setTime_out(); return   }                       // no move
//
// box has moved
    frm=document.getElementById("mvBox");               // ref to moving box
//
    strt=fini
    
    frm.style.top=((strt<tops)?tops :(strt>bot)?bot:strt+12)+"px";
    
    setTime_out(); return 
}

// ========= check to see if page has been scrolled  ======
function setTime_out() {
 window.setTimeout("chk()", nextChk)
} 
//