function wechsel (name,src) {
  document.getElementById(name).src="images/"+src+".jpg";
}

function tausch (name,src) {
  document.getElementById(name).src="images/"+src+".gif";
}


function startanfang() {
  document.getElementById("start1").src="images/S1_o.jpg";
  document.getElementById("start2").src="images/S2_o.jpg";
  document.getElementById("start3").src="images/mitte-3_o.jpg";
  document.getElementById("start4").src="images/blau-4_o.jpg";
  document.getElementById("start5").src="images/S5_o.jpg";
  document.getElementById("start6").src="images/blau-6_o.jpg";
  document.getElementById("start7").src="images/orange-7_o.jpg";
  document.getElementById("start8").src="images/S8_o.jpg";
}

function starthaus() {
  document.getElementById("haus1").src="images/ferienhaus1_o.gif";
  document.getElementById("haus2").src="images/ferienhaus2_o.gif";
  document.getElementById("haus3").src="images/ferienhaus3_o.gif";
  document.getElementById("haus4").src="images/link-blau.gif";
  document.getElementById("haus5").src="images/link-mitte.gif";
  document.getElementById("haus6").src="images/link-orange.gif";
  document.getElementById("haus7").src="images/haus-8P.gif";
  document.getElementById("haus8").src="images/haus-6P.gif";
  document.getElementById("haus9").src="images/haus-10P.gif";
}



function startumgebung() {
  document.getElementById("umgebung1").src="images/u1_o.jpg";
  document.getElementById("umgebung2").src="images/u2_o.jpg";
  document.getElementById("umgebung3").src="images/u3_o.jpg";
  document.getElementById("umgebung4").src="images/u4_o.jpg";
  document.getElementById("umgebung5").src="images/u5_o.jpg";
  document.getElementById("umgebung6").src="images/u6_o.jpg";
  document.getElementById("umgebung7").src="images/u7_o.jpg";
  document.getElementById("umgebung8").src="images/u8_o.jpg";
}

function startblau() {
  document.getElementById("blau1").src="images/blau-1_o.jpg";
  document.getElementById("blau2").src="images/blau-2_o.jpg";
  document.getElementById("blau3").src="images/blau-3_o.jpg";
  document.getElementById("blau4").src="images/blau-4_o.jpg";
  document.getElementById("blau5").src="images/blau-5_o.jpg";
  document.getElementById("blau6").src="images/blau-6_o.jpg";
  document.getElementById("blau7").src="images/blau-7_o.jpg";
  document.getElementById("blau8").src="images/blau-8_o.jpg";
}

function startmitte() {
  document.getElementById("mitte1").src="images/mitte-1_o.jpg";
  document.getElementById("mitte2").src="images/mitte-2_o.jpg";
  document.getElementById("mitte3").src="images/mitte-3_o.jpg";
  document.getElementById("mitte4").src="images/mitte-4_o.jpg";
  document.getElementById("mitte5").src="images/mitte-5_o.jpg";
  document.getElementById("mitte6").src="images/mitte-6_o.jpg";
  document.getElementById("mitte7").src="images/mitte-7_o.jpg";
  document.getElementById("mitte8").src="images/mitte-8_o.jpg";
}

function startorange() {
  document.getElementById("orange1").src="images/orange-1_o.jpg";
  document.getElementById("orange2").src="images/orange-2_o.jpg";
  document.getElementById("orange3").src="images/orange-3_o.jpg";
  document.getElementById("orange4").src="images/orange-4_o.jpg";
  document.getElementById("orange5").src="images/orange-5_o.jpg";
  document.getElementById("orange6").src="images/orange-6_o.jpg";
  document.getElementById("orange7").src="images/orange-7_o.jpg";
  document.getElementById("orange8").src="images/orange-8_o.jpg";
}