if (iens6) {
		var crossobj=document.getElementById? document.getElementById("container") : document.all.container;
		var vis=crossobj.offsetHeight;
		crossobj=document.getElementById? document.getElementById("content") : document.all.content;
		var contentheight=crossobj.offsetHeight;
	} else if (ns4) {
		var crossobj=document.container.document.content;
		var contentheight=crossobj.clip.height;
		var vis=contentheight;
	}

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

	function moveup() {
		if (iens6&&parseInt(crossobj.style.top)<0)
			crossobj.style.top=parseInt(crossobj.style.top)+speed;
		else if (ns4&&crossobj.top<0)
			crossobj.top+=speed;
		moveupvar=setTimeout("moveup()",100);
	}

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

	function goto_position(x) {
		if (iens6)
			crossobj.style.top=parseInt(x);
		else if (ns4)
			crossobj.top=x;
	}