iens6=document.all || document.getElementById ;
ns4=document.layers ;
var speed = 5;
var toptop = 0;

if (iens6)
{
	var crossobj = document.getElementById("content");
	var contentheight=crossobj.offsetHeight;
	crossobj.style.top = 0;
}
else if (ns4)
{
	var crossobj=document.nscontainer.document.nscontent;
	var contentheight=crossobj.clip.height;
}

function movedown()
{
	if (iens6)
	{
		toptop = parseInt(crossobj.style.top)-parseInt(speed);
		crossobj.style.top= toptop+"px";
	}
	else if (ns4&&crossobj.top>=(contentheight*(-1)+100))
	{
		crossobj.top-=speed;
	}
	movedownvar=window.setTimeout("movedown()",50);
}

function moveup(){
	
	if (iens6)
	{
		toptop = parseInt(crossobj.style.top)+parseInt(speed);
		crossobj.style.top= toptop+"px";
	}
	else if (ns4&&crossobj.top<=0)
	{
		crossobj.top+=speed;
	}
	moveupvar=window.setTimeout("moveup()",50);
}


function getcontent_height()
{
	if (iens6)
	{
		contentheight=crossobj.offsetHeight;
	}
	else if (ns4)
	{
		document.nscontainer.document.nscontent.visibility="show";
	}
}

function ancre(val)
{
	//alert(val)
	if (iens6)
	{
		var crossobj=document.getElementById? document.getElementById("content") : document.all.content;
		crossobj.style.top=-val;
	}
	else if (ns4)
	{
		var crossobj=document.nscontainer.document.nscontent;
		crossobj.top=-val;
	}
}