thera2_or= new Image(); thera2_or.src = "images/thera2_or.gif"
thera2_bl= new Image(); thera2_bl.src = "images/thera2_bl.gif"

kurse2_or= new Image(); kurse2_or.src = "images/kurse2_or.gif"
kurse2_bl= new Image(); kurse2_bl.src = "images/kurse2_bl.gif"

prog2_or= new Image(); prog2_or.src = "images/prog2_or.gif"
prog2_bl= new Image(); prog2_bl.src = "images/prog2_bl.gif"

cc2_or= new Image(); cc2_or.src = "images/cc2_or.gif"
cc2_bl= new Image(); cc2_bl.src = "images/cc2_bl.gif"

thera_gr= new Image(); thera_gr.src = "images/thera_gr.gif"
thera_bl= new Image(); thera_bl.src = "images/thera_bl.gif"

kurse_gr= new Image(); kurse_gr.src = "images/kurse_gr.gif"
kurse_bl= new Image(); kurse_bl.src = "images/kurse_bl.gif"

prog_gr= new Image(); prog_gr.src = "images/prog_gr.gif"
prog_bl= new Image(); prog_bl.src = "images/prog_bl.gif"

cc_gr= new Image(); cc_gr.src = "images/cc_gr.gif"
cc_bl= new Image(); cc_bl.src = "images/cc_bl.gif"


function changeImg(image,quelle)
  {
    document.images[image].src = eval(quelle+".src");
  }