var isNetscape = navigator.appName=="Netscape";
var brw_version=parseInt(navigator.appVersion.substring(0,1));
var brw_name=navigator.appName;

// navigation einblenden script
function showSubnav(lay)
{
	for (i=1;i<=6;i++)
		if (get_style('navsub'+i)!='none')
			set_style('navsub'+i,'none');
	if (get_style(lay)=='none')
		set_style(lay,'');
}

function showSubnav2(lay)
{
	for (i=0;i<=6;i++)
		if (get_style('cont'+i)!='none')
			set_style('cont'+i,'none');
	if (get_style('cont'+lay)=='none')
		set_style('cont'+lay,'');
}

//showhidecontentvonjürgen

function showHideContent(lay)
{
	if (get_style(lay)=='none')
		set_style(lay,'');
	else
		set_style(lay,'none');	
}

function set_style(lay,myValue)
{
   if(!isNetscape)
     eval('document.all.'+lay+'.style.display="'+myValue+'"');
   else if (brw_version<=4)  
        eval('document.all.'+lay+'.display="'+myValue+'"');
   else 
     eval('document.getElementById("'+lay+'").style.display="'+myValue+'"');   
}

function get_style(lay)
{
   var tmp='';
   if(!isNetscape)
     eval('tmp=document.all.'+lay+'.style.display');
   else if (brw_version<=4)  
        eval('tmp=document.all.'+lay+'.display');
   else 
     eval('tmp=document.getElementById("'+lay+'").style.display'); 
	return tmp;  
}