/**************dynamische Bildpositionierung**********************/
function setArrow()
{
if(document.getElementById("text5").style.display=="block")
{
navPos_Y=AnzBer-8;
menuPos=0;
if(!window.innerHeight)
	scroll_Y=document.body.scrollTop;
else
	scroll_Y=window.pageYOffset;

if(navigator.appName.indexOf("Explorer")!="-1"&&navigator.platform.indexOf("Mac")=="-1")
	{
	if(scroll_Y>154)
		{
		menu_Scroll=(menuPos+scroll_Y)+54;	
		document.getElementById("dokuBild").style.top=menu_Scroll;
		}
	else
		{
		document.getElementById("dokuBild").style.top=216;
		}
	window.setTimeout("setArrow()",1000);
	}
else
	{
	if(scroll_Y>160)
		{
		menu_Scroll=(menuPos+scroll_Y)+54;
		if(menu_Scroll<215)	
			document.getElementById("dokuBild").style.top=menu_Scroll;
		else
			{
			document.getElementById("dokuBild").style.top=51;
			document.getElementById("dokuBild").style.position="fixed";
			}
		}
	else
		{
		document.getElementById("dokuBild").style.top=216;
		document.getElementById("dokuBild").style.position="absolute";
		}
	window.setTimeout("setArrow()",200);
	}
}
}
/**************************************/
function nachOben()
{
document.anchors[0].scrollIntoView("true");
}