window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS4 = (bName == "Netscape" && bVer >= 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);

//------------------C U S T O M I S E------------------------

 var img_path="images/subsection_07.jpg";
 var time_length =10; //Scroll delay in milliseconds
 var begin_pos = 10; //Start position of scroll hint

//-----------------------------------------------------------

var i=begin_pos;
var j=i;
var scroll_length = 440; //The scroll length
var original_time=time_length;

if (NS4 || IE4) {
 if (navigator.appName == "Netscape") {
 layerStyleRef="layer.";
 layerRef="document.layers";
 styleSwitch="";
 }else{
 layerStyleRef="layer.style.";
 layerRef="document.all";
 styleSwitch=".style";
 }
}

//SCROLL RIGHT
function scroll_right(layerName)
{
 if (NS4 || IE4)
 {
   if(i<(begin_pos+scroll_length))
   {
    eval(layerRef+'["'+layerName+'"]'+
    styleSwitch+'.visibility="visible"');
    eval(layerRef+'["'+layerName+'"]'+ styleSwitch+'.left="'+(i)+'"');
    i++;
    j++;
   }
  if(i==j)
  {   
   setTimeout("scroll_right('"+layerName+"')",time_length);
  }  
 }
}

//SCROLL LEFT
function scroll_left(layerName)
{
 if (NS4 || IE4)
 {
   if(i>(begin_pos-scroll_length))
   {
    eval(layerRef+'["'+layerName+'"]'+
    styleSwitch+'.visibility="visible"');
    eval(layerRef+'["'+layerName+'"]'+ styleSwitch+'.left="'+(i)+'"');
    i--;
    j--;
   }
  if(i==j)
  {
   setTimeout("scroll_left('"+layerName+"')",time_length);
  }
 }
}

function scroll_out()
{
 time_length=10000000000000;
}

function reset()
{
 time_length=original_time;
}