function Go(x, y)
{
if (x=="")
	{
	document.forms[y].reset();
	document.forms[y].elements[0].blur();
	return true;
	}
else
	{
	if (document.forms[y].elements[0].options[0].defaultSelected == true) 
		{
		document.forms[y].elements[0].options[0].selected=true; 
		}

	document.location.href = x;
      }
 }


function show(ebene)
{
document.getElementById('agriculture').style.visibility="hidden";
document.getElementById('automobile').style.visibility="hidden";
document.getElementById('bicycle').style.visibility="hidden";
document.getElementById('motorcycle').style.visibility="hidden";
document.getElementById('industry').style.visibility="hidden";
document.getElementById('transport').style.visibility="hidden";
document.getElementById('otr').style.visibility="hidden";
document.getElementById('conticomfortkit').style.visibility="hidden";
document.getElementById('tuning').style.visibility="hidden";

	{
		if (document.getElementById)
			{
			document.getElementById(ebene).style.visibility="visible";
			document.getElementById(ebene).style.zIndex="3";
			return true;
			}

		else if (document.all) 
			{
			document.all[ebene].style.visibility="visible";
			document.all[ebene].style.zIndex="3";
			return true;
			}

		else (document.layers)
			{
			document.layers[ebene].visibility="show";
			document.layers[ebene].zIndex="3";
			return true;
			}
	}
}