iArray=new Array(
	"http://www.schaalx.nl/_images/site/randHeader/3",
	"http://www.schaalx.nl/_images/site/randHeader/5",
	"http://www.schaalx.nl/_images/site/randHeader/6",
	"http://www.schaalx.nl/_images/site/randHeader/7",
	"http://www.schaalx.nl/_images/site/randHeader/8",
	"http://www.schaalx.nl/_images/site/randHeader/9"
	);

  ri    = Math.floor(iArray.length*Math.random());
  ri    ='<img src="'+ iArray[ri]+ '.jpg" border="0" alt="" id="headerRandImg">';