var navcount=6;
var nav=new Array();
var navo=new Array();

for (var i=0 ; i<navcount ; i++) {
	nav[i]=new Image();
	nav[i].src='img/nav'+i+'.gif';
	navo[i]=new Image();
	navo[i].src='img/nav'+i+'o.gif';
}

function mOv(idx) {
	var img=getElement('nav'+idx);
	img.src=navo[idx].src;
}
function mOut(idx) {
	var img=getElement('nav'+idx);
	img.src=nav[idx].src;
}

function getElement(id) {
	return document.getElementById(id);
}

function makeElink(before,after,user,host) {
	var domain = '.'+'c'+'o'+'.'+'u'+'k';
	var atsign = "&#64;";
	var addr = user + atsign + host + domain;
	document.write(before);
	document.write("<"+"a"+" "+"href="+"mail"+"to:"+addr+">"+addr+"<\/a>");
	document.write(after);
}