if(document.images) {
	var anavimg1 = new Array(6);
	var anavimg2 = new Array(6);
	var bnavimg1 = new Array(11);
	var bnavimg2 = new Array(11);

	for (var i = 0; i < anavimg1.length; i++)
	{
		ic = (i < 9)? '0' + (i+1): ''+(i+1); 
		anavimg1[i] = new Image();
		anavimg2[i] = new Image();
		anavimg1[i].src = "/images/nav/ag_mp_nav1_"+ic+"a.gif"
		anavimg2[i].src = "/images/nav//ag_mp_nav1_"+ic+"b.gif"
	}
	for (var i = 0; i < bnavimg1.length; i++)
	{
		ic = (i < 9)? '0' + (i+1): ''+(i+1); 
		bnavimg1[i] = new Image();
		bnavimg2[i] = new Image();
		bnavimg1[i].src = "/images/nav/ag_mp_nav2_"+ic+"a.gif"
		bnavimg2[i].src = "/images/nav//ag_mp_nav2_"+ic+"b.gif"
	}

}	

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

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