var active= 0;
var height= 0;

function toggle_visible(){
if(active==0){
	active = 1;
	divplus();
}
else if(active==1){
	active = 0;
	divminus();
}
}

function divminus(){
if(height>=1){
	height = height - 5;
	document.getElementById('slide_box').style.height = height + "px";
	if(height < 230){
		document.getElementById('marq_box').style.display="none";
	}
	window.setTimeout('divminus()',1);					
}
else{
	document.getElementById('slide_box').style.display="none";
}
}

function divplus(){
if(height <= 250){
	document.getElementById('slide_box').style.display="block";
	height = height + 5;
	document.getElementById('slide_box').style.height = height + "px";
	if(height > 240){
		document.getElementById('marq_box').style.display="block";
	}
	window.setTimeout('divplus()',1);
}
}

function hidePtr(){
shown = document.getElementById('pointer').style.visibility == "visible";
unshown= document.getElementById('pointer').style.visibility = "hidden";
if(shown){
	document.getElementById('pointer').style.visibility = "hidden";
}
else if(unshown)
{
	document.getElementById('pointer').style.visibility == "visible";
}
}