var s = 0;

function moreInfoVisible(){
   s = s + 1;

   if(s == 1){
       if(document.getElementById("text")){
           document.getElementById("text").style.display = "none";
           document.getElementById("moreInfos").style.display = "block";
           document.getElementById("link_more").style.display = "none";
           document.getElementById("link_back").style.display = "block";
       }
   }

   if(s == 2){
       if(document.getElementById("text")){
           document.getElementById("text").style.display = "block";
           document.getElementById("moreInfos").style.display = "none"; 
           document.getElementById("link_more").style.display = "block";
           document.getElementById("link_back").style.display = "none";
       }
       s = 0;
   }
}

function anwserDisplay(wert){

   if(wert == "Ja"){
        document.getElementById("frage_studium_3").style.display = "block"; 
        document.getElementById("frage_studium_4").style.display = "block"; 
        document.getElementById("frage_studium_5").style.display = "none"; 
   }

   if(wert == "Nein"){
        document.getElementById("frage_studium_3").style.display = "none"; 
        document.getElementById("frage_studium_4").style.display = "none"; 
        document.getElementById("frage_studium_5").style.display = "block"; 
   }

   if(wert == ""){
        document.getElementById("frage_studium_3").style.display = "none"; 
        document.getElementById("frage_studium_4").style.display = "none"; 
        document.getElementById("frage_studium_5").style.display = "none"; 
   }
}

function newsletterAlert(){

     if(document.forms.kontaktform.newsletter.checked == false){

        Check = confirm("Möchten Sie den Newsletter der Uni abonnieren?");

        if (Check == true){
           document.forms.kontaktform.newsletter.checked = true;
        }

     }

}

function teilnahmebedingungenAnzeigen(){
     if(document.getElementById("datenschutz2") && document.getElementById("teilnahmebedingungen")){
          document.getElementById("datenschutz2").style.display = "none";   
          document.getElementById("teilnahmebedingungen").style.display = "block";        
     }
}

function teilnahmebedingungenAusblenden(wert){
     if(document.getElementById("datenschutz2") && document.getElementById("teilnahmebedingungen")){
          document.getElementById("teilnahmebedingungen").style.display = "none";   

          if(wert == 1){
              document.forms.kontaktform.teilnahme.checked = true;
          }     

          if(wert == 2){
              document.forms.kontaktform.teilnahme.checked = false;
          }   
     }
}

function datenschutzAnzeigen(){
     if(document.getElementById("datenschutz2") && document.getElementById("teilnahmebedingungen")){
          document.getElementById("teilnahmebedingungen").style.display = "none";   
          document.getElementById("datenschutz2").style.display = "block";        
     }
}

function datenschutzAusblenden(wert){
     if(document.getElementById("datenschutz2") && document.getElementById("teilnahmebedingungen")){
          document.getElementById("datenschutz2").style.display = "none";   

          if(wert == 1){
              document.forms.kontaktform.datenschutz.checked = true;
          }     

          if(wert == 2){
              document.forms.kontaktform.datenschutz.checked = false;
          }   
     }
}

function menueDisplayNone(){
     if(document.getElementById("navi2Studi")){
          document.getElementById("navi2Studi").style.display = "none";   
          document.getElementById("hgNavi2Studi").style.display = "none";        
     }
}

function menueDisplayBlock(){
     if(document.getElementById("navi2Studi")){
          document.getElementById("navi2Studi").style.display = "block";   
          document.getElementById("hgNavi2Studi").style.display = "block";        
     }
}

img1 = new Image();
img2 = new Image();

function changeImg(wert){

   if(img1.src == "" || img2.src == ""){
      img2.src = 'upload/0_Startseite/stoerer_2.gif';
      img1.src = 'upload/0_Startseite/stoerer_1.gif';
   }

   if(document.images['stoerer'].src && wert == 1){
      document.images['stoerer'].src = img2.src;
   }

   if(document.images['stoerer'].src && wert == 0){
      document.images['stoerer'].src = img1.src;
   }
}