<!--

var layerRef="null",
    styleSwitch="null";

if (navigator.appname=="Netscape"){
	layerRef="document.layers";
	styleSwitch="";
}   else {
	layerRef="document.all";
	styleSwitch=".style";
}

function hideLayer(layerName){
	eval(layerRef+'["'+layerName+'"]'+styleSwitch+
           '.visibility="hidden"');
}
function showLayer(layerName){
	eval(layerRef+'["'+layerName+'"]'+styleSwitch+
           '.visibility="visible"');
}

function init()
{
prev=new Image();
prev.src="images/previous.gif";
prev_h=new Image();
prev_h.src="images/previous_hover.gif";
home=new Image();
home.src="images/home.gif";
home_h=new Image();
home_h.src="images/home_hover.gif";
next=new Image();
next.src="images/next.gif";
next_h=new Image();
next_h.src="images/next_hover.gif";
}
 
-->