var version;
	
function verScroll(dir, spd, loop) 
	{
	loop = true;
	direction = "up";
	speed = 15;
	scrolltimer = null;
	var maxscrollvertical;
	var maxscrollhorizontal;
	maxscrollvertical = eval('container' + version + '.offsetHeight') - eval('contentLayer' + version + '.offsetHeight');
	maxscrollhorizontal = eval('container' + version + '.offsetWidth') - eval('contentLayer' + version + '.offsetWidth');
	(document.getElementById) 
		{
		var page= eval(document.getElementById('contentLayer' + version  + '').style);
		}
		
	direction = dir;
	speed = parseInt(spd);

	var y_pos = parseInt(page.top);
	var x_pos = parseInt(page.left);
	window.status = (direction);
	if (loop == true) 
		{
		switch(direction)
			{
			case("dn"):
				{
				if (maxscrollvertical < y_pos){
					page.top = (y_pos - (speed));
					}
				break;
				} 
			case("up"):
				{
				if (y_pos < 0) 
					{
					page.top = (y_pos + (speed));
					} 
				else 
					{
					if (direction == "top") 
						{
						page.top = 0;
						}
					}
				break;
				}
			case("rt"):
				{
				if (maxscrollhorizontal < x_pos){
					page.left = (x_pos - (speed));
					}
				break;
				}
			case("lt"):
				{
				if (x_pos < 0) 
					{
					page.left = (x_pos + (speed));
					} 
				else 
					{
					if (direction == "left") 
						{
						page.left = 0;
						}
					}
				break;
				}
				
			}			
		scrolltimer = setTimeout("verScroll(direction,speed)", 1);
   }
}

function stopScroll() 
	{
	loop = false;
	clearTimeout(scrolltimer);
	}


function up1_onload() {
	if(contentLayer1.offsetHeight > container1.offsetHeight){up1.style.visibility = 'visible';dwn1.style.visibility = 'visible';}
	else{up1.style.visibility = 'hidden';dwn1.style.visibility = 'hidden';}
}