<!--
function swap(x){
	var str=x.src;
	if (str.indexOf('_h.gif')==-1){
		str=str.replace('.gif','_h.gif');
	}
	x.src=str;
}
function swapBack(x){
	var str=x.src;
	if (str.indexOf('_h.gif')){
		str=str.replace('_h.gif','.gif');
	}
	x.src=str;
}
function hide(){
	var allDivsnavcontainer=document.getElementById('navcontainer').getElementsByTagName("DIV");
	for (var j=0; j<allDivsnavcontainer.length; j++){
		allDivsnavcontainer[j].style.visibility='hidden';
	}
}
function show(m){
	hide();
	document.getElementById(m).style.visibility='visible';
}
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=640,height=480,left = 192,top = 144');");
}
function popUpLarge(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=800,height=600,left = 112,top = 84');");
}
var ic = 4;     // Number of alternative images
function pickRandom(range) {
if (Math.random)
return Math.round(Math.random() * (range-1));
else {
var now = new Date();
return (now.getTime() / 1000) % range;
}
}
var choice = pickRandom(ic);
//-->