function Show_Menu(Menu_Nr) {
	var cur_scrollTop_MSIE = parseInt(top.Content.window.document.body.scrollTop);
	var cur_scrollTop_NN6 = parseInt(top.Content.window.pageYOffset);
	if( isNaN( cur_scrollTop_MSIE ) ){
		var cur_scrollTop = cur_scrollTop_NN6
	}else{
		var cur_scrollTop = cur_scrollTop_MSIE
	}
	var CounterB = Menu_Nr.substr(2,Menu_Nr.substr(2,3).indexOf('x'));
	var cur_LevC_top = (parseInt(CounterB)-1)*21;		//for LevC entry
	if ( top.Content.window.document.getElementById(Menu_Nr) ){
		if( Menu_Nr.substr(2,1)!='0'){
			if( CounterB=='1'){
				top.Content.window.document.getElementById(Menu_Nr).style.top = cur_scrollTop;			//LevC 1st entry
			}else{
				top.Content.window.document.getElementById(Menu_Nr).style.top = cur_scrollTop + cur_LevC_top;	//LevC other entries
			}
		}else{
			top.Content.window.document.getElementById(Menu_Nr).style.top = cur_scrollTop;	//LevB
		}
	}
	Hide_All_Menues_LevAB();
	Highlight_Menu_LevA(Menu_Nr.substr(0,1),true)
	Highlight_Menu(Menu_Nr,true);
}
function Hide_Menu(Menu_Nr) {	//Hides only one menu, e.g. mouseover LevB -> Hide previously used Menu LevC (2x3x0 -> 2x4x0)
	Highlight_Menu_LevA(Menu_Nr.substr(0,1),false);
	Highlight_Menu(Menu_Nr,false);	//Variante 1: bessere Performance
	//resetNav();	//Variante 2: schlechtere Performance
	Highlight_Menu_LevA(top.GlobNav.Active_Menu,true);
}
function resetNav() {	//LevB called by LevA
	for(i=0;i<=10;i++){
		Highlight_Menu(i+'x0x0',false)
		for(j=1;j<=20;j++){
			Highlight_Menu(i+'x'+j+'x0',false)	//LevC
		}
	} //end for
}
function Hide_All_Menues_LevAB() {
	for(i=0;i<=10;i++){
		Highlight_Menu_LevA(i,false);
		Highlight_Menu(i+'x0x0',false);
	} //end for
}
function Set_Active_Menu(Menu_Nr){
	top.GlobNav.Active_Menu=Menu_Nr;
	Highlight_Menu_LevA(Menu_Nr,true);
}
function Highlight_Active_Menu() {
	Hide_All_Menues_LevAB();	
	if( top.Content ){
		top.Content.resetNav();
	}
	Highlight_Menu_LevA( top.GlobNav.Active_Menu , true );
}
function Highlight_Menu_LevA(Menu_Nr, status) {
	vis = (status) ? "visible" : "hidden";
	if( top.GlobNav.window.document.getElementById('divx'+Menu_Nr+'hover')){
		top.GlobNav.window.document.getElementById('divx'+Menu_Nr+'hover').style.visibility = vis;
	}
}
function Highlight_Menu(Menu_Nr, status) {
	vis = (status) ? "visible" : "hidden";
	if( top.Content.window.document.getElementById(Menu_Nr)){
		top.Content.window.document.getElementById(Menu_Nr).style.visibility = vis;
	}
}
function Dark_BG(Menu_Name) {
	window.document.getElementById(Menu_Name).style.background="#F49F03";
}
function Light_BG(Menu_Name) {
	document.getElementById(Menu_Name).style.background= "#DDE0FB";
}
function Photo(Name) {
	if( top.LokNav.window.document.leftPic ){
		top.LokNav.window.document.leftPic.src= Name;
	}
	if( top.GlobNav.window.document.NavPic ){
		suffix = Name.substr(Name.length-3,Name.length); //gif or jpg
		top.GlobNav.window.document.NavPic.src= Name.substr(0,Name.length-4) + '2.' + suffix;
	}
}