var scrollPosRight;
var scrollPos;
var scroll_X=1;
var playCtrl=0;

function switchImage()
{
if(document.images[document.images.length-1].src.indexOf("stop.gif")!="-1")
	{
	stopScroll();
	document.images[document.images.length-1].src="media/play.gif";
	}
else
	{
	if(document.images[document.images.length-2].src.indexOf("stop.gif")!="-1")
		{
		stopScroll2();
		setTimeout("startScroll()",500);
		document.images[document.images.length-2].src="media/play2.gif";
		}
	else
		startScroll();
	document.images[document.images.length-1].src="media/stop.gif";
	}
}

function checkScrollWidth()
{
if(window.innerHeight)
	document.getElementById("last").scrollIntoView(true);
else
	document.all.last.scrollIntoView(true);
	
if(!window.innerHeight)
	scrollPosRight=document.body.scrollLeft;
else
	scrollPosRight=window.pageXOffset;
window.scrollTo(0,0);
document.getElementById("exhibition").style.visibility="visible";

}

function startScroll()
{
playCtrl=1;
window.setTimeout("checkScrollPos()",200);
}
function checkScrollPos()
{
getScrollPos();
if(scroll_X>=parent.ateliers.scrollPosRight)
	scroll_X=0;
setTimeout("setScroll()",100);
window.scrollTo(0,0);
document.getElementById("lead").title="Animation anhalten";
}
function setScroll()
{
if(playCtrl==1)
	{
	if(scroll_X>=parent.ateliers.scrollPosRight)
		{
		scrollPos=0;
		stopScroll();
		document.images[document.images.length-1].src="media/play.gif";
		
		}
	else
		{
		scrollPos=scrollPosRight;
		scroll_X=scroll_X+2;
		}
	parent.ateliers.window.scrollTo(scroll_X,0);
	window.setTimeout("setScroll()",10);
	}
}
function stopScroll()
{
playCtrl=0;
document.getElementById("lead").title="Animation abspielen";
}
function getScrollPos()
{
if(!window.innerHeight)
	scroll_X=parent.ateliers.document.body.scrollLeft;
else
	scroll_X=parent.ateliers.window.pageXOffset;
}
/**************************************************/
function switchImage2()
{
stopScroll();
if(document.images[document.images.length-2].src.indexOf("stop.gif")!="-1")
	{
	stopScroll2();
	document.images[document.images.length-2].src="media/play2.gif";
	}
else
	{
	if(document.images[document.images.length-1].src.indexOf("stop.gif")!="-1")
		{
		stopScroll();
		setTimeout("startScroll2()",500);
		document.images[document.images.length-1].src="media/play.gif";
		}
	else
		startScroll2();
	document.images[document.images.length-2].src="media/stop.gif";
	}
}
function startScroll2()
{
playCtrl=1;

window.setTimeout("checkScrollPos2()",200);
}
function checkScrollPos2()
{
getScrollPos();
if(scroll_X<=0)
	scroll_X=parent.ateliers.scrollPosRight;
setTimeout("setScroll2()",100);
document.getElementById("lead2").title="Animation anhalten";
}
function setScroll2()
{
if(playCtrl==1)
	{
	if(scroll_X<=0)
		{
		scrollPos=0;
		stopScroll2();
		document.images[document.images.length-2].src="media/play2.gif";
		
		}
	else
		{
		scrollPos=0;
		scroll_X=scroll_X-2;
		}
	parent.ateliers.window.scrollTo(scroll_X,0);
	window.setTimeout("setScroll2()",10);
	}
}
function stopScroll2()
{
playCtrl=0;
document.getElementById("lead2").title="Animation abspielen";
}
function getScrollPos()
{
if(!window.innerHeight)
	scroll_X=parent.ateliers.document.body.scrollLeft;
else
	scroll_X=parent.ateliers.window.pageXOffset;
}