function hideall() {
	hide('hidder');
	
	hide('EBMenue1');
	  hide('EBSubA1'); 
	  hide('EBSubA2'); 
			hide('EBMenue1B'); 
			  hide('EBSubB1'); 
			  hide('EBSubB2');
	  hide('EBSubA3');
			hide('EBMenue1C'); 
			  hide('EBSubC1'); 
			  hide('EBSubC2'); 
	  hide('EBSubA4'); 
			hide('EBMenue1D'); 
			  hide('EBSubD1'); 
			  hide('EBSubD2'); 
			  hide('EBSubD3');
	  hide('EBSubA5');

	hide('USMenue1'); 
	  hide('USSubA1'); 
	
	hide('MTMenue1'); 
	  hide('MTSubA1'); 
	  hide('MTSubA2'); 
	
	hide('ELMenue1');
	  hide('ELSubA1');
	  hide('ELSubA2');
	  
    hide('ZBMenue1'); 
	  hide('ZBSubA1'); 
	  hide('ZBSubA2'); 
	  hide('ZBSubA3'); 
	  hide('ZBSubA4');
	  hide('ZBSubA5');
};

function openhidder(){
	id0= 'hidder';obj = (document.getElementById ? document.getElementById(id0) : (document.all ? 	document.all[id0] : (document.layers ? document.layers[id0] : null))); 
	obj.style.visibility = 'visible';
};
function show(id0){
	obj = (document.getElementById ? document.getElementById(id0) : (document.all ? 	document.all[id0] : (document.layers ? document.layers[id0] : null))); 
	obj.style.visibility = 'visible';
};
function hide(id0){
	obj = (document.getElementById ? document.getElementById(id0) : (document.all ? 	document.all[id0] : (document.layers ? document.layers[id0] : null)));
	obj.style.visibility = 'hidden';
};

function showmenue1() { 
	openhidder(); 
	show('EBMenue1'); 
	show('EBSubA1'); 
	show('EBSubA2'); 
	show('EBSubA3'); 
	show('EBSubA4'); 
	show('EBSubA5'); 
}; 
	function showmenue1SubB(){
		show('EBMenue1B'); 
		show('EBSubB1'); 
		show('EBSubB2'); 
	};
	function showmenue1SubC(){ 
		show('EBMenue1C'); 
		show('EBSubC1'); 
		show('EBSubC2'); 
	};
	function showmenue1SubD(){ 
		show('EBMenue1D'); 
		show('EBSubD1'); 
		show('EBSubD2'); 
		show('EBSubD3'); 
	};
function showmenue2() { 
	openhidder(); 
	show('USMenue1'); 
	show('USSubA1'); 
};
function showmenue3() { 
	openhidder(); 
	show('MTMenue1'); 
	show('MTSubA1'); 
	show('MTSubA2'); 
}; 
function showmenue4() { 
	openhidder(); 
	show('ELMenue1'); 
	show('ELSubA1'); 
	show('ELSubA2'); 
	
}; 
function showmenue5() { 
	openhidder(); 
	show('ZBMenue1'); 
	show('ZBSubA1'); 
	show('ZBSubA2'); 
	show('ZBSubA3'); 
	show('ZBSubA4'); 
	show('ZBSubA5'); 
};