var gbScroll = false;
var giHeight = 0;
var gpTimer;
var giSpeed;

function InitHeight()
{
	giHeight = parseInt(document.getElementById('divContainer').scrollHeight);
	document.getElementById('divContainer').style.visibility = 'visible';
}

function StartScroll(bScrollDown)
{
	gbScroll = true;
	giSpeed = (bScrollDown) ? -7 : 7;
	MyScroll();
}

function StopScroll()
{ 
	gbScroll = false;
	giSpeed = 7;
    if(gpTimer) clearTimeout(gpTimer);
	delete gpTimer;
}

function MyScroll()
{
	var iy;
	
	iy = parseInt(document.getElementById('divContent').style.top) + parseInt(giSpeed);

	if(giSpeed > 0)
	{
		if(iy > 0)
		{
			gbScroll = false;
			iy = 0;
		}
	}
	else
	{
		var iHvis = document.getElementById('divContainer').style.height;
		var iMaxY = parseInt(iHvis) - parseInt(giHeight);

		if(iy < iMaxY)
		{
			gbScroll = false;
			iy = iMaxY;
		}
	}
	
	document.getElementById('divContent').style.top = parseInt(iy);
	if(gbScroll) pTimer = window.setTimeout("MyScroll()", 50);
}

// -----

function MM_swapImgRestore() { //v3.0
  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_preloadImages() { //v3.0
  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_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  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];}
}