/*
Floating image II (up down)- Bruce Anderson (http://appletlib.tripod.com)
Submitted to Dynamicdrive.com to feature script in archive
Modified by DD for script to function in NS6
For 100's of FREE DHTML scripts, Visit http://www.dynamicdrive.com
*/

var XX=5; // X position of the scrolling objects
var xstep=2;
var delay_time=30;

//Begin of the unchangable area, please do not modify this area
var YY=0;
var ch=0;
var oh=0;
var yon=0;

var ns4=document.layers?1:0
var ie=document.all?1:0
var ns6=document.getElementById&&!document.all?1:0

if(ie){
YY=document.body.clientHeight;
point1.style.top=YY;
//Quynh
//point1.style.display="none"
}
else if (ns4){
YY=window.innerHeight;
document.point1.pageY=YY;
//Quynh comment,document.point1.visibility="hidden";
}
else if (ns6){
YY=window.innerHeight
document.getElementById('point1').style.top=YY
//Quynh
//document.getElementById('point1').style.display="none"
}


function reloc1()
{
  if(document.body.clientWidth < 980){
    document.getElementById('point1').style.display="none"
    return;
  }else document.getElementById('point1').style.display="block"
  if(yon==0){YY=YY-xstep;}
  else{YY=YY+xstep;}
  if (ie){
  ch=document.body.clientHeight;
  oh=point1.offsetHeight;
  }
  else if (ns4){
  ch=window.innerHeight;
  oh=document.point1.clip.height;
  }
  else if (ns6){
  ch=window.innerHeight
  oh=document.getElementById("point1").offsetHeight
  }

  if(YY<0){yon=1;YY=0;}
  if(YY>=(ch-oh)){yon=0;YY=(ch-oh);}
  if(ie){
  point1.style.left=XX;
  point1.style.top=YY+document.body.scrollTop;
  }
  else if (ns4){
  document.point1.pageX=XX;
  document.point1.pageY=YY+window.pageYOffset;
  }
  else if (ns6){
  document.getElementById("point1").style.left=XX
  document.getElementById("point1").style.top=YY+window.pageYOffset
  }

}

function onad()
{
    /*if(ns4)
    document.point1.visibility="visible";
    //Quynh
    else if(ns6)
    document.getElementById("point1").style.display="block";
    else if(ie)
    point1.style.display="block";
    */
    loopfunc();
}
function loopfunc()
{
reloc1();
setTimeout('loopfunc()',delay_time);
}

if (ie||ns4||ns6)
if(screen.Width>=1024){
   onad();
}