//----------------------------------------------------------
// Globals
//----------------------------------------------------------
var gscroll_DownTimer
var gscroll_UpTimer

function getElement(element)
{
  if (!document.getElementById) 
    return document.all(element)
  else
    return document.getElementById(element)
}

//----------------------------------------------------------
// Init
//----------------------------------------------------------
function Scroll_Init(sBox, nLeft, nTop, nWidth, nHeight, nSpeed, nAmount, sUpName, sUpImg, sDownName, sDownImg) 
{
  var box = getElement(sBox);

  // box.style.position = "relative";
  // if (!document.getElementById) 
  {
    box.style.clip.left = "0px"
    box.style.clip.top = "0px"
    box.style.clip.right = nWidth + "px"
    box.style.clip.bottom = nHeight + "px"
  }
  
  box.style.left   = nLeft   + "px";
  box.style.top    = nTop    + "px";
  box.style.width  = nWidth  + "px";
  box.style.height = nHeight + "px";

  box.style.overflow = "hidden";
  box.scrollTop      = 0;

  box.style.scroll_orgtop    = nTop;
  box.style.scroll_orgheight = nHeight;
  box.style.scroll_speed     = nSpeed;
  box.style.scroll_amount    = nAmount;
  box.style.scroll_upname    = sUpName;
  box.style.scroll_upimg     = sUpImg;
  box.style.scroll_downname  = sDownName;
  box.style.scroll_downimg   = sDownImg;

  getElement(box.style.scroll_upname).src = box.style.scroll_upimg + '_d.gif';
  
  var bScroll = (nHeight < box.scrollHeight);
  if (!bScroll)
  {
    getElement(sUpName).style.display = "none";
    getElement(sDownName).style.display = "none";
  }
  else
  {
    getElement(sUpName).style.display = "";
    getElement(sDownName).style.display = "";
  }

  return bScroll;
}

//----------------------------------------------------------
// Scroll box down
//----------------------------------------------------------
function Scroll_Down(sBox) 
{
  var box = getElement(sBox + "IE")
  var up = getElement(box.style.scroll_upname);
  var down = getElement(box.style.scroll_downname);
  box.scrollTop -= parseInt(box.style.scroll_amount)
  // up.src = box.style.scroll_upimg + '_h.gif'
  if (box.scrollTop > 0)
  {
    if (up.src.indexOf("_p.gif") < 0)
      MM_swapImage(box.style.scroll_upname, '', box.style.scroll_upimg + '_p.gif', 1)
  }
  else
  {
    if (up.src.indexOf("_d.gif") < 0)
      up.src = box.style.scroll_upimg + '_d.gif'
  }
  Scroll_UpTrack(box, down)
  gscroll_DownTimer = setTimeout("Scroll_Down('" + sBox + "')", box.style.scroll_speed)
}

//----------------------------------------------------------
// Stop down scroll
//----------------------------------------------------------
function Scroll_DownTrack(box, up)
{
  if (box.scrollTop > 0)
  {
    if (up.src.indexOf("_n.gif") < 0)
      up.src = box.style.scroll_upimg + '_n.gif'
  }
  else
  {
    if (up.src.indexOf("_d.gif") < 0)
      up.src = box.style.scroll_upimg + '_d.gif'
  }
}

function Scroll_DownStop(sBox) 
{
	clearTimeout(gscroll_DownTimer)
  var box = getElement(sBox + "IE")
  var up = getElement(box.style.scroll_upname)
  Scroll_DownTrack(box, up)
}

function Scroll_DownOver(sBox) 
{
  var box = getElement(sBox + "IE");
  var up = getElement(box.style.scroll_upname);
  if (box.scrollTop > 0)
    if (up.src.indexOf("_h.gif") < 0)
      up.src = box.style.scroll_upimg + '_h.gif';
}

//----------------------------------------------------------
// Scroll box up
//----------------------------------------------------------
function Scroll_Up(sBox) 
{                 
  var box = getElement(sBox + "IE")
  var up = getElement(box.style.scroll_upname);
  var down = getElement(box.style.scroll_downname);
  box.scrollTop += parseInt(box.style.scroll_amount)
  if (parseInt(box.scrollTop) + parseInt(box.style.scroll_orgheight) >= parseInt(box.scrollHeight))
  {
    if (down.src.indexOf("_d.gif") < 0)
      down.src = box.style.scroll_downimg + '_d.gif'
  }
  else
  {
    if (down.src.indexOf("_p.gif") < 0)
      MM_swapImage(box.style.scroll_downname, '', box.style.scroll_downimg + '_p.gif', 1)
  }
  Scroll_DownTrack(box, up)
  gscroll_UpTimer = setTimeout("Scroll_Up('" + sBox + "')", box.style.scroll_speed);
}

//----------------------------------------------------------
// Stop up scroll
//----------------------------------------------------------
function Scroll_UpTrack(box, down)
{
  if (parseInt(box.scrollTop) + parseInt(box.style.scroll_orgheight) < parseInt(box.scrollHeight))
  {
    if (down.src.indexOf("_n.gif") < 0)
      down.src = box.style.scroll_downimg + '_n.gif'
  }
  else
  {
    if (down.src.indexOf("_d.gif") < 0)
      down.src = box.style.scroll_downimg + '_d.gif'
  }
}
function Scroll_UpStop(sBox) 
{
	clearTimeout(gscroll_UpTimer)
  var box = getElement(sBox + "IE")
  var down = getElement(box.style.scroll_downname)
  Scroll_UpTrack(box, down)
}

function Scroll_UpOver(sBox) 
{
  var box = getElement(sBox + "IE");
  var down = getElement(box.style.scroll_downname);
  if (parseInt(box.scrollTop) + parseInt(box.style.scroll_orgheight) < parseInt(box.scrollHeight))
    if (down.src.indexOf("_h.gif") < 0)
      down.src = box.style.scroll_downimg + '_h.gif';
}
//-------------------------------------------------------------------
// Macromedia rollover
//-------------------------------------------------------------------
function MM_preloadImages() 
{
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() 
{
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) 
{
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() 
{
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){ document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) 
{
  window.open(theURL,winName,features);
}

function InitScrollbar(id, width, height)
{
  var unique = id.substring(9, id.length - 2)
  Scroll_Init(id, 0, 0, width, height, 20, 4, 'ScrollUp' + unique, 
    'images/scroll_top', 'ScrollDown' + unique, 'images/scroll_down')
}

//-------------------------------------------------------------------
// 
//-------------------------------------------------------------------
function SetScrollbar(index, height)
{
}

//-------------------------------------------------------------------
// 
//-------------------------------------------------------------------
function Go_Over()
{
  var GoBtn = getElement("GoBtn")
  if (GoBtn.src.indexOf("_h.gif") < 0)
    GoBtn.src = 'images/go_h.gif'
}

//-------------------------------------------------------------------
// 
//-------------------------------------------------------------------
function Go_Out()
{
  var GoBtn = getElement("GoBtn")
  if (GoBtn.src.indexOf("_n.gif") < 0)
    GoBtn.src = 'images/go_n.gif'
}

//-------------------------------------------------------------------
// 
//-------------------------------------------------------------------
function Submit_Over()
{
  var SubmitBtn = getElement("SubmitBtn")
  if (SubmitBtn.src.indexOf("_h.gif") < 0)
    SubmitBtn.src = SubmitBtn.src.substring(0, SubmitBtn.src.length - 6) + '_h.gif'
}

//-------------------------------------------------------------------
// 
//-------------------------------------------------------------------
function Submit_Out()
{
  var SubmitBtn = getElement("SubmitBtn")
  if (SubmitBtn.src.indexOf("_n.gif") < 0)
    SubmitBtn.src = SubmitBtn.src.substring(0, SubmitBtn.src.length - 6) + '_n.gif'
}