var help,scrollIt;
var theTop = 120;
var old = theTop;
var scrollIt = true;

function init()
{
	help = new getObj('help');
	comp = new getObj('comp');
	scrollIt = (document.layers) ?
		document.help.document.forms[0].elements[3].checked :
		document.forms[0].elements[3].checked;
	movehelp();
}

function movehelp()
{
	if (scrollIt)
	{
		if (window.innerHeight)
		{
			  pos = window.pageYOffset
		}
		else if (document.body)
		{
			  pos = document.body.scrollTop
		}
		if (pos < theTop) pos = theTop;
		else pos += 30;
		if (pos == old)
		{
//			alert(help.style.top);
			help.style.top = pos;
		}
		old = pos;
	}
	temp = setTimeout('movehelp()',500);
}

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}

var comp;

function showhide(val)
{
	comp.style.visibility = val;
}