var loop = null;

function slideleft()
{
	if(!document.getElementById) return false;
	var slider = document.getElementById("slider");
	var sliderwidth = parseInt(slider.style.width);
	var xpos = parseInt(slider.style.left);
	
	
	if(sliderwidth > 450)
	{
		if (xpos > - (sliderwidth - 450))
		{
			xpos -= 2;
		} else
		{
			xpos = - (sliderwidth - 450);
		}
		slider.style.left = xpos + "px";
		loop = setTimeout("slideleft()", 10);
	}
 }
 
function slideright()
{
	if(!document.getElementById) return false;
	var slider = document.getElementById("slider");
	var sliderwidth = parseInt(slider.style.width);
	var xpos = parseInt(slider.style.left);
	
	
	if(sliderwidth > 450)
	{
		if (xpos < 0)
		{
			xpos += 2;
		} else
		{
			xpos = 0;
		}
		slider.style.left = xpos + "px";
		loop = setTimeout("slideright()", 10);
	}
 }
 
function currentposition()
{
	var slider = document.getElementById("slider");
	var xpos = parseInt(slider.style.left);
	slider.style.left = xpos;
	window.clearTimeout(loop);
	return false;
}