if(document.images) {
	var navimg1 = new Array(9);
	var navimg2 = new Array(9);
	for (var i = 0; i < navimg1.length; i++)
	{
		ic = (i < 10)? '0' + (i+1): ''+(i+1); 
		navimg1[i] = new Image();
		navimg2[i] = new Image();
		navimg1[i].src = "/new-images/mp/gwg_mp_nav1_"+ic+"a.gif"
		navimg2[i].src = "/new-images/mp/gwg_mp_nav1_"+ic+"b.gif"
	}
}	

function Up(index) {
	if (document.images)
		document.images['nav' + index].src = navimg2[index].src
}

function Down(index) {
	if (document.images)
		document.images['nav' + index].src = navimg1[index].src
}