function closeAll(){
         var i=1;
         var submenuid;
         var mainmenuid;
         var textid;

         while(i < 100){
         	mainmenuid = "m" + i;
         	submenuid = "s" + i;
         	textid = "t" + i;
         	if(document.getElementById(submenuid)) document.getElementById(submenuid).style.display = "none";
         	if(document.getElementById(mainmenuid)) menuout(mainmenuid);

         	i++;
         }
}


function subon(startstring, anzahlstring){
	var i=1;
	var submenuid;
	var start = parseInt(startstring);
	var anzahl = parseInt(anzahlstring);
	var nummer;

	closeAll();
        menuover("m"+startstring);

	while(i <= anzahl){
		nummer = start + i
		submenuid = "s" + nummer;

		document.getElementById(submenuid).style.display = "block";
		i++;
	}
}

function menuover(menuid){
	var textid = "t" + menuid.substr(1,2);
        if(document.getElementById(textid)) document.getElementById(textid).style.color = "#FF0000";
        if(document.getElementById(menuid)) document.getElementById(menuid).style.background = "#FFD9CC";
}

function menuout(menuid){
	var textid = "t" + menuid.substr(1,2);
	if(document.getElementById(textid)) document.getElementById(textid).style.color = "#000000";
	if(document.getElementById(menuid)) document.getElementById(menuid).style.backgroundImage = "url(pics/buttons/button.jpg)";
}