if (document.images) {
	bigmap_off = new Image();
	bigmap_off.src = "../images/canada3.jpg";
	bc = new Image();
	bc.src = "../images/big_bc_nolayers.jpg";		
	ab = new Image();
	ab.src = "../images/big_ab_nolayers.jpg";
	sk = new Image();
	sk.src = "../images/big_sk_nolayers.jpg";	
	mb = new Image();
	mb.src = "../images/big_mb_nolayers.jpg";
	on = new Image();
	on.src = "../images/big_on_nolayers.jpg";	
	qc = new Image();
	qc.src = "../images/big_qc_nolayers.jpg";
	nb = new Image();
	nb.src = "../images/big_nb_nolayers.jpg";		
	ns = new Image();
	ns.src = "../images/big_ns_nolayers.jpg";
	pe = new Image();
	pe.src = "../images/big_pe_nolayers.jpg";		
	nf = new Image();
	nf.src = "../images/big_nf_nolayers.jpg";
	yt = new Image();
	yt.src = "../images/big_yt_nolayers.jpg";		
	nt = new Image();
	nt.src = "../images/big_nt_nolayers.jpg";
	nu = new Image();
	nu.src = "../images/big_nu_nolayers.jpg";	
}

function mouseOver(imgSrc) {
	document.getElementById('bigmap').src = imgSrc;
}

function mouseOut() {
	document.getElementById('bigmap').src = bigmap_off.src;
}