// Rotate statistics images in the header

  var ImageArr = new Array(
		"index_files/banner/90people_white.gif" ,
		"index_files/banner/couple2.jpg" ,
		"index_files/banner/1in20_stat.gif" ,
		"index_files/banner/in2001_stat.gif" ,
		"index_files/banner/earlydetect_stat.gif",
		"index_files/banner/scientist.jpg",
		"index_files/banner/physical_stat.gif",
		"index_files/banner/dr.jpg",
		"index_files/banner/research_stat.gif",
		"index_files/banner/test-tubes.jpg",
		"index_files/banner/advances_stat.gif",
		"index_files/banner/PCR_machine.jpg",
		"index_files/banner/diet_stat.gif",
		"index_files/banner/vegies.jpg",
		"index_files/banner/cyclists.jpg",
		"index_files/banner/quality_stat.gif",
		"index_files/banner/accom.jpg",
		"index_files/banner/accom2.jpg",
		"index_files/banner/deck.jpg",
		"index_files/banner/embarras_stat.gif",
		"index_files/banner/wristband.jpg",
		"index_files/banner/2nd_stat.gif",
		"index_files/banner/cyclists2.jpg",
		"index_files/banner/as_a_nation.gif"
		);
 
	
function ChangeImage(Img, Start) {
	var a = eval("ImageArr");
	if(Start>=a.length) {
		Start=0;
	}
	Img.src = a[Start];
	
	//change every 10 seconds
	var call = "ChangeImage(Img,"+(Start+1)+")" ;
	window.setTimeout(call,10000);
}