SideBarImageCount = 6;
SideBarFirstPart = '<img src="/images/side-bar-image-';
SideBarLastPart = '.jpg" />';

function showSideBarImage() {
	var r = Math.ceil(Math.random() * SideBarImageCount);
	document.write(SideBarFirstPart + r + SideBarLastPart);
}

function openAciWindow() {                  
	var option = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizeable=1,width=820,height=620";
	var win4 = window.open("/aciservlet/applet/aci.jsp", "aci", option); 		
	win4.document.close();
} 

HomePageImageCount = 5;
HomePageFirstPart = '<img src="/images/bg-big-';
HomePageLastPart = '.jpg">';

function showHomePageImage() {
	var r = Math.ceil(Math.random() * HomePageImageCount);
	document.write(HomePageFirstPart + r + HomePageLastPart);
}