function frameiemenu(frametemp) {
 
  //document.all.nav0.style.visibility="hidden"; 
	for (i=0;i<anz_layer;++i){
		txt="document.all.nav"+i+".style.visibility='hidden'";
		//alert(txt);
		eval(txt);
	}

  
  txt = "document.all." + frametemp + ".style.visibility='visible'";
  eval(txt);
  }

function framensmenu(frametemp) {
  //document.nav0.visibility='hide';
  for (i=0;i<anz_layer;++i){
		txt="document.nav"+i+".visibility='hide'";
		eval(txt);
	}

  
  txt = "document." + frametemp + ".visibility='show'";
  eval(txt);
  } 
  
function framens6menu(frametemp) {
  //document.getElementById("nav0").style.visibility = 'hidden';
   for (i=0;i<anz_layer;++i){
		txt="document.getElementById('nav"+i+"').style.visibility = 'hidden';";
		eval(txt);
	}

  
  txt = "document.getElementById('" + frametemp + "').style.visibility = 'visible'";
  eval(txt);
  } 
  
function setCheckNumber() {
  checkNumber=1;
  }  
  
var checkNumber=1;


function change(frametemp) {
  if (checkNumber==0) {
    setTimeout('setCheckNumber()',1000);
    }
	
  if (document.layers && checkNumber==1) {
    txt = "framensmenu('" + frametemp + "')";
	eval(txt);
    }

  if (document.getElementById && checkNumber==1) {
    txt = "framens6menu('" + frametemp + "')";
    eval(txt);
    }
	
  if (document.all && checkNumber==1) {
    txt = "frameiemenu('" + frametemp + "')";
	eval(txt);
    }
  }