var menu_active="";
var sub_active=0;
var act_on=1;
n=navigator.appName;
v=parseFloat(navigator.appVersion,10);

if((n=="Netscape" && v>=3.0)||(n=="Microsoft Internet Explorer" && v>=4.0)) bro="n3";

else bro="n2";

img_ein=new Array();
img_aus=new Array();

actual=7;
turnedon=-1;


function addItem(pas){
    img_ein[actual]=new Image();
    img_ein[actual].src= "http://www.theurer.com/images/" +pas+"_on.gif";
    img_aus[actual]=new Image();
    img_aus[actual].src= "http://www.theurer.com/images/" +pas+"_off.gif";
	actual++;
}



    if(bro=="n3"){
    addItem("unternehmen");
    addItem("produkte");
    addItem("dienst");
    addItem("support");
    addItem("kontakt");
  
    }

function turnon(idx){
      
if(bro=="n3"){

if(turnedon!=-1) document.images[turnedon].src=img_aus[turnedon].src;
        document.images[idx].src=img_ein[idx].src;
        turnedon=idx;
	       
}
}


function ein(idx,text){

	if(bro=="n3"){
           
         document.images[idx].src=img_ein[idx].src;
	if ((turnedon!=-1) && (turnedon!=idx)) document.images[turnedon].src=img_aus[turnedon].src;     
         window.status="theurer.com GmbH";
        
}
}

function aus(idx){
	
         if(bro=="n3"){
         if(idx!=turnedon)
  
         document.images[idx].src=img_aus[idx].src;
         window.status="";
         }
}

function sendpage()
{
mail_str = "mailto:?subject= interessante Website: " + document.title;
mail_str += "&body=Schau Dir diese Seite mal an: " + document.title;
mail_str += ". Hier ist die Adresse: " + location.href; 
location.href = mail_str;
}