var hsBanner = [
	'/rsc/img/hs/hp_header02_dzn01.jpg',
	'/rsc/img/hs/hp_header02_dzn02.jpg',
	'/rsc/img/hs/hp_header02_dzn03.jpg',
	'/rsc/img/hs/hp_header02_dzn04.jpg',
	'/rsc/img/hs/hp_header02_dzn05.jpg'
];
var theBanner = Math.round(Math.random()*(hsBanner.length-1));

var hsStudents = [
	'/rsc/img/hs/hp_header03_dzn01.jpg',
	'/rsc/img/hs/hp_header03_dzn02.jpg',
	'/rsc/img/hs/hp_header03_dzn03.jpg',
	'/rsc/img/hs/hp_header03_dzn04.jpg',
	'/rsc/img/hs/hp_header03_dzn05.jpg'
];
var theStudents = Math.round(Math.random()*(hsStudents.length-1));

function showHeaderImage(){
	document.getElementById("container-center2").style.background = "transparent url("+hsBanner[theBanner]+") no-repeat scroll left top";
	document.getElementById("container-center3").style.background = "transparent url("+hsStudents[theStudents]+") no-repeat scroll left top";
}