var scrollInterval;
var scrollingContainerId = "";
var containerId = "";

function scrollNext(id, containerIdParam)
{
	scrollingContainerId = id;
	containerId = containerIdParam;
	scrollInterval = setInterval(scrollNextInterval, 40);
}

function scrollPrev(id, containerIdParam)
{
	scrollingContainerId = id;
	containerId = containerIdParam;
	scrollInterval = setInterval(scrollPrevInterval, 40);
}


function clearScrollInterval()
{
	clearInterval(scrollInterval);
}

function scrollNextInterval()
{
	if(document.getElementById(scrollingContainerId).offsetLeft - 8 <= document.getElementById(containerId).offsetWidth - document.getElementById(scrollingContainerId).offsetWidth + 11 + 7)
	{
		document.getElementById(scrollingContainerId).style.left = document.getElementById(containerId).offsetWidth - document.getElementById(scrollingContainerId).offsetWidth + 11 + 7 + "px";
		clearScrollInterval();
	}
	else
	{
		document.getElementById(scrollingContainerId).style.left = document.getElementById(scrollingContainerId).offsetLeft - 8 + "px";
	}
}


function scrollPrevInterval()
{
	if(document.getElementById(scrollingContainerId).offsetLeft + 8 >= 0)
	{
		document.getElementById(scrollingContainerId).style.left = "0px";
		clearScrollInterval();
	}
	else
	{
		document.getElementById(scrollingContainerId).style.left = document.getElementById(scrollingContainerId).offsetLeft + 8 + "px";
	}
}