menu1_1 = new Image();
menu2_1 = new Image();
menu3_1 = new Image();
menu4_1 = new Image();
menu5_1 = new Image();
menu6_1 = new Image();
menu1_2 = new Image();
menu2_2 = new Image();
menu3_2 = new Image();
menu4_2 = new Image();
menu5_2 = new Image();
menu6_2 = new Image();

menu1_1.src="../images/menu1_1.gif";
menu2_1.src="../images/menu2_1.gif";
menu3_1.src="../images/menu3_1.gif";
menu4_1.src="../images/menu4_1.gif";
menu5_1.src="../images/menu5_1.gif";
menu6_1.src="../images/menu6_1.gif";
menu1_2.src="../images/menu1_2.gif";
menu2_2.src="../images/menu2_2.gif";
menu3_2.src="../images/menu3_2.gif";
menu4_2.src="../images/menu4_2.gif";
menu5_2.src="../images/menu5_2.gif";
menu6_2.src="../images/menu6_2.gif";

lname = new Array();
lname[0] = "sub1";
lname[1] = "sub2";
lname[2] = "sub3";
lname[3] = "sub4";
lname[4] = "sub5";
lname[5] = "sub6";

function change_img1(name,img,id) {
	iname = id;
	if(document.images) { document.images[name].src = eval(img + ".src");}

	for ( i = 0; i < 6; i++) {
		name1 = lname[i];

		if (document.layers) {
			document.layers[name1].visibility = "hide"; }
		else {
			document.all[name1].style.visibility = "hidden"; }
	}

	if (document.layers) {
		document.layers[iname].visibility = "show"; }
	else {
		document.all[iname].style.visibility = "visible"; }
}

function change_img2(name,img) {
	if(document.images) { document.images[name].src = eval(img + ".src");}
}