function menue(menue_name) 
 { 
        
        if(document.getElementById(menue_name).style.display == 'block') {
        	document.getElementById('menue01').style.display='none'; 
        	document.getElementById('menue02').style.display='none';  
			document.getElementById('menue02').style.display='none';      
			document.getElementById('menue03').style.display='none';    
			document.getElementById('menue04').style.display='none';    
			document.getElementById('menue05').style.display='none';    
			document.getElementById('menue06').style.display='none';
			document.getElementById('menue07').style.display='none';         	
        document.getElementById(menue_name).style.display='none';
        	createCookie('navigation','',1);

}

 else {
          	document.getElementById('menue01').style.display='none'; 
        	document.getElementById('menue02').style.display='none';
			document.getElementById('menue03').style.display='none';   
			document.getElementById('menue04').style.display='none';   
			document.getElementById('menue05').style.display='none';   
			document.getElementById('menue06').style.display='none';
			document.getElementById('menue07').style.display='none';   		
    		document.getElementById(menue_name).style.display='block';
    		createCookie('navigation',menue_name,1);
    	}
	
 } 
 function menue_clear() 
 { 
        document.getElementById('menue01').style.display='none'; 
       document.getElementById('menue02').style.display='none';
	   document.getElementById('menue03').style.display='none';
	   document.getElementById('menue04').style.display='none';
	   document.getElementById('menue05').style.display='none';
	   document.getElementById('menue06').style.display='none';
	   document.getElementById('menue07').style.display='none';
 }
 
function menue_read(container) {
		var container = readCookie('navigation');
		if(container == '' || container == null) { menue_clear(); }
		else { menue(container); }
}

function createCookie(name,value,days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		return null;
}