function preload() 

{
     var i = 0;

     imageObj = new Image();

     images = new Array();
     images[0]="/img/n_arbejde_h.png"
     images[1]="/img/n_omkorpus_h.png"
     images[2]="/img/n_kontakt_h.png"
     images[3]="/img/n_english_h.png"

     for(i=0; i<=3; i++) 
     {
          imageObj.src=images[i];
     }
}