function Showmenu(nummer)
{
    // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav6 = (is_nav && (is_major == 5));
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_gecko = (agt.indexOf('gecko') != -1);


    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
    var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

    // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
    // or if this is the first browser window opened.  Thus the
    // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
    var is_aol   = (agt.indexOf("aol") != -1);
    var is_aol3  = (is_aol && is_ie3);
    var is_aol4  = (is_aol && is_ie4);
    var is_aol5  = (agt.indexOf("aol 5") != -1);
    var is_aol6  = (agt.indexOf("aol 6") != -1);

    var is_opera = (agt.indexOf("opera") != -1);
    var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
    var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
    var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
    var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);

//--> end hide JavaScript

for (i = 1; i < 8; i++)
	{
	var layername = "submenu0" + String(i);
	var linkname = "link0" + String(i);
	var tdname = "td0" + String(i);
	if (nummer == i) 
		{
		if (is_ie || is_aol) 
			{
			document.all(layername).style.visibility = 'visible';
			document.all(tdname).className = 'highlight';
			document.all(linkname).style.color = '#FFFFFF';
			}
		else 
			{
			document.getElementById(layername).style.visibility = 'visible';
			document.getElementById(tdname).className = 'highlight';
			document.getElementById(linkname).style.color = '#FFFFFF';
			}
		}
	else
		{
		if (is_ie || is_aol) 
			{
			document.all(layername).style.visibility = 'hidden';
			document.all(tdname).className = '';
			document.all(linkname).style.color = '#666666';
			}
		else 
			{
			document.getElementById(layername).style.visibility = 'hidden';
			document.getElementById(tdname).className = '';
			document.getElementById(linkname).style.color = '#666666';
			}
		}
	}
}

function Popup(adresse,hoehe)
{
Fenster = window.open(adresse, "Fenster", "statusbar=no,menubar=no,scrollbars=auto,height="+hoehe+",width=790");
Fenster.focus();
}

function DynamicTextarea(colwidth,idname)
{
var agt=navigator.userAgent.toLowerCase();
var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_aol   = (agt.indexOf("aol") != -1);

if (is_ie || is_aol) Inhalt = document.all(idname).value;
else Inhalt = document.getElementById(idname).value;
Block = Inhalt.split("\n");
Offset = 1;
for (var i = 0; i < Block.length; i++)
	{
	Offset = Offset + Math.floor(Block[i].length / colwidth);
	}
Zeilen = document.createAttribute("rows");
Zeilen.nodeValue = Offset + Block.length;
if (is_ie || is_aol) document.all(idname).setAttributeNode(Zeilen);
else document.getElementById(idname).setAttributeNode(Zeilen);
}