splashImage = new Array();
splashImage[0] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg1.jpg';
splashImage[1] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg2.jpg'; 
splashImage[2] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg3.jpg'; 
splashImage[3] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg4.jpg';
splashImage[4] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg5.jpg'; 
splashImage[5] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg6.jpg'; 
splashImage[6] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg7.jpg';
splashImage[7] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg8.jpg'; 
splashImage[8] =  'http://www.icpsr.umich.edu/OLC/images/home_pano_bg9.jpg'; 

var p = splashImage.length;

var whichsplashImage = Math.round(Math.random()*(p-1));

function writesplashImage() {
if (document.getElementById) {
	document.getElementById("pano").style.backgroundImage='url('+splashImage[whichsplashImage]+')';
}
}