if ( typeof(RandomImage) != "object" ) { var RandomImage = {}; };
if ( typeof(RandomImage.DirList) != "object" ) { RandomImage.DirList = {}; };
RandomImage.DirList["/files/Images/alternativeBanners/"] = [ 'bannerA.jpg', 'bannerB.jpg', 'bannerC.jpg', 'bannerD.jpg', 'bannerE.jpg', 'bannerF.jpg', 'bannerG.jpg', 'bannerH.jpg' ];
Event.observe(window, 'load', function() {
	var allimages = $A( document.getElementsByTagName("img") );
	var namelist = RandomImage.DirList["/files/Images/alternativeBanners/"];
	
	allimages.each( function(img) {
		if ( img.src.indexOf("/files/Images/alternativeBanners/?") != -1 ) {
			img.src = RandomImage.getRandomUrl( "/files/Images/alternativeBanners/" );
		};
	});
}, true );

if (! RandomImage.getRandomUrl ) {
	RandomImage.getRandomUrl = function( path ) {
		var namelist = RandomImage.DirList[path];
		return "" + path + namelist[ Math.floor(Math.random() * namelist.length) ];
	};
}