function whoComes(){

var ua = navigator.userAgent.toLowerCase();
var isAndroid = ua.indexOf("android") > -1; //&& ua.indexOf("mobile");

if(isAndroid) {
 document.getElementById("styleSheet").href = "css_js/ziegler_mobi.css";
}

}

	  var image_url = new Array();
      var imageClear_url = new Array();
      preload_image_object = new Image();
      preload_imageClear_object = new Image();

function preloadImg(){
	 var the_domain="/img/menu/mnu_";
   	 var i = 0;
     for(i=0; i<8; i++){ 
     image_url[i] = the_domain+i+"o.gif";
     imageClear_url[i] = the_domain+i+".gif";
      }

       var i = 0;
       for(i=0; i<=3; i++){
         preload_image_object.src = image_url[i];
     	   }
}


function rolloverImg(nameImg,z){
document.images[nameImg].src=image_url[z];
        }

function rolloutImg(nameImg,z){
document.images[nameImg].src=imageClear_url[z];
        }
		
/* Anwaelte Funktion */

var Vorname="";

 function switchMain(Id)
  {
	 	 var temp = document.getElementById(Id).style.visibility;
	      if( temp == "visible" )
       {
         document.getElementById(Id).style.visibility = "hidden";
       }
       else
       {
        document.getElementById(Id).style.visibility = "visible";
       }
  }