function BlurLinks(){
lnks=document.getElementsByTagName('a');
for(i=0;i<lnks.length;i++){
lnks[i].onfocus=new Function("this.blur()");
}
}

var BildArray = new Array();

BildArray[0] = "../img/random_bgImage/bvh_anbau_01.jpg";
BildArray[1] = "../img/random_bgImage/bvh_anbau_02.jpg";
BildArray[2] = "../img/random_bgImage/bvh_anbau_03.jpg";
BildArray[3] = "../img/random_bgImage/bvh_anbau_04.jpg";
BildArray[4] = "../img/random_bgImage/bvh_anbau_05.jpg";
BildArray[5] = "../img/random_bgImage/bvh_anbau_06.jpg";
BildArray[6] = "../img/random_bgImage/bvh_anbau_07.jpg";
BildArray[7] = "../img/random_bgImage/bvh_anbau_08.jpg";
BildArray[8] = "../img/random_bgImage/bvh_anbau_09.jpg";
BildArray[9] = "../img/random_bgImage/bvh_anbau_10.jpg";
BildArray[10] = "../img/random_bgImage/bvh_anbau_11.jpg";
BildArray[11] = "../img/random_bgImage/bvh_anbau_12.jpg";
BildArray[12] = "../img/random_bgImage/bvh_anbau_13.jpg";
BildArray[13] = "../img/random_bgImage/bvh_neubau_01.jpg";
BildArray[14] = "../img/random_bgImage/bvh_neubau_02.jpg";
BildArray[15] = "../img/random_bgImage/bvh_neubau_03.jpg";
BildArray[16] = "../img/random_bgImage/bvh_neubau_04.jpg";
BildArray[17] = "../img/random_bgImage/bvh_sportstaettenbau_01.jpg";
BildArray[18] = "../img/random_bgImage/bvh_sportstaettenbau_02.jpg";

function preloadImages()
{
  for (i=0; i < BildArray.length; i++) {
    var Bild = new Image();
    Bild.src = BildArray[i];
  }
}


function formLeeren()
{
  var form = document.forms["contactForm"];
    for(i=0;i<form.elements.length;i++)
    {
        if(form.elements[i].type == 'text' || form.elements[i].type == 'textarea')
        {
            form.elements[i].onfocus = function()
              {
                if(this.value==this.defaultValue)
                  {
                    this.value='';
                  }
              }
            form.elements[i].onblur = function()
              {
                if(this.value=='')
                  {
                    this.value=this.defaultValue;
                  }
              }
        }
    }
}

window.onload = function(){
BlurLinks();
preloadImages();
formLeeren();
}