var BildArray = new Array();

BildArray[0] = "templates/images/startpics/startpic_1.jpg";
BildArray[1] = "templates/images/startpics/startpic_2.jpg";
BildArray[2] = "templates/images/startpics/startpic_3.jpg";
BildArray[3] = "templates/images/startpics/startpic_4.jpg";
BildArray[4] = "templates/images/startpics/startpic_5.jpg";
BildArray[5] = "templates/images/startpics/startpic_6.jpg";
BildArray[6] = "templates/images/startpics/startpic_7.jpg";

// alternative Schreibweise:
// BildArray = new Array("../images/img01.jpg", ... "../images/img04.jpg");

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