selected=0;
 a_over = new Array;
  a_over[1] = new Image;a_over[1].src = "images/home_1.jpg";
  a_over[2] = new Image;a_over[2].src = "images/leistungen_1.jpg";
  a_over[3] = new Image;a_over[3].src = "images/produktion_1.jpg";
  a_over[4] = new Image;a_over[4].src = "images/unternehmen_1.jpg";
  a_over[5] = new Image;a_over[5].src = "images/qualitaet_1.jpg";
  a_over[6] = new Image;a_over[6].src = "images/referenzen_1.jpg";
  a_over[7] = new Image;a_over[7].src = "images/kontakt_1.jpg";
  a_over[8] = new Image;a_over[8].src = "images/impressum_1.jpg";

 a_out = new Array;
  a_out[1] = new Image;a_out[1].src = "images/home_0.jpg";
  a_out[2] = new Image;a_out[2].src = "images/leistungen_0.jpg";
  a_out[3] = new Image;a_out[3].src = "images/produktion_0.jpg";
  a_out[4] = new Image;a_out[4].src = "images/unternehmen_0.jpg";
  a_out[5] = new Image;a_out[5].src = "images/qualitaet_0.jpg";
  a_out[6] = new Image;a_out[6].src = "images/referenzen_0.jpg";
  a_out[7] = new Image;a_out[7].src = "images/kontakt_0.jpg";
  a_out[8] = new Image;a_out[8].src = "images/impressum_0.jpg";

 function mOver(nr)
  {
    if(nr!=selected)
    {
      imgname="button"+nr;
      document.images[imgname].src=a_over[nr].src;
    }
  }
  function mOut(nr)
  {
    if(nr!=selected)
    {
      imgname="button"+nr;
      document.images[imgname].src=a_out[nr].src;
    }
  }

 function sent_form() 
 {
	var NAME = document.form1.name.value;
	var VORNAME = document.form1.vorname.value;
	var FON = document.form1.fon.value;
	var EMAIL = document.form1.email.value;

	if (NAME == "" || NAME == " " || VORNAME == "" || VORNAME == " " || FON == "" || FON == " " || EMAIL == "" || EMAIL == " " || EMAIL.lastIndexOf("@") < "1" || EMAIL.lastIndexOf(".") < "1"){
	window.open("error.php","win1","width=280,height=300,left=372,top=272");
	}
	else
	document.form1.submit();
 }