if (document.layers)  {
     ns = 1; ie = 0; 
} else {
     ns = 0; ie = 1;
     }
              
var aktiv=0;
var i = 1;
var aktuell = "info";

function zeigeEbeneNr(layer_nr) {
   aktiv=1;
   verbergen(eval('"' + aktuell + i +'"'));   
   zeigen(eval('"' + aktuell + layer_nr +'"'));    
   i = layer_nr; 
}

function zeigen(name) {
if (ns) {    
    document.layers[''+name].visibility = "show";
              
    } else {       
               
    document.all[''+name].style.visibility = "visible"   
    }
}

function verbergen(name) {
if (ns){
    document.layers[''+name].visibility = "hide"
    }
    else {
    document.all[''+name].style.visibility = "hidden"        
    }
}

function show_layer(layer_name) {
   if(document.layers) {
   scrolledt=window.pageYOffset;
    document.layers[layer_name].top=innerHeight/2-100+eval(scrolledt);
      document.layers[layer_name].visibility="show";               				
   } else {
             if(document.all){
           scrolledt=document.body.scrollTop;           document.all[layer_name].style.top=document.body.clientHeight/2-100+eval(scrolledt);    
      document.all[layer_name].style.visibility="visible";
   }
}
   			
}
   function hide_layer(layer_name){
        			if(document.layers)               					                                    document.layers[layer_name].visibility="hide";
       				else                				                                document.all[layer_name].style.visibility="hidden";
  	}
   function MM_openBrWindow(theURL,winName,features) { 
         window.open(theURL,winName,features);
   }
   function verz_schliessen()
   {
	aktiv=0;
	setTimeout('alle_schliessen()',100);
	
    }   

function alle_schliessen() {
	if (aktiv == 0) 
	{
	
		verbergen('info1');verbergen('info2');verbergen('info3');verbergen('info4');verbergen('info5');verbergen('info6');
verbergen('info7');verbergen('info8');verbergen('info9');verbergen('info10');verbergen('info11');
	}
        }