// JavaScript Document
GECKO = document.getElementById? 1:0 ;
		NS = document.layers? 1:0 ;
		IE = document.all? 1:0 ;
		
		function haupt(untermenue)
		{
		var hauptmenues = new Array('text1','text2','text3','text4');
		
		for (var menue in hauptmenues)
		{
		var das_menue = hauptmenues[menue];
		if (GECKO) {document.getElementById(das_menue).style.display = 'none';}
		else if (NS) {document.layers[das_menue].style.display = 'none';}
		else if (IE) {document.all[das_menue].style.display = 'none';}
		}
		
		aufklappen(untermenue);
		}
		
		function aufklappen(untermenue)
		{
		if (GECKO) {document.getElementById(untermenue).style.display = 'block';}
		else if (NS) {document.layers[untermenue].style.display = 'block';}
		else if (IE) {document.all[untermenue].style.display = 'block';}
		}
		
		function zuklappen(untermenue)
		{
		if (GECKO) {document.getElementById(untermenue).style.display = 'none';}
		else if (NS) {document.layers[untermenue].style.display = 'none';}
		else if (IE) {document.all[untermenue].style.display = 'none';}
		}