var ver4 = (navigator.appVersion.charAt(0) >= "4");
var NN4 = ver4 && (navigator.appName == "Netscape");
var IE4 = ver4 && (navigator.appName.charAt(0) == "M");
var NN3 = ((navigator.appVersion.charAt(0) == "3") && (navigator.appName == "Netscape"));

if(NN3 || NN4 || IE4){
	var img=new Array();
	img[0]=new Image();  img[0].src="common/s_list.gif";
	img[1]=new Image();  img[1].src="common/s_list_o.gif";
	img[2]=new Image();  img[2].src="common/h_menu_info.gif";
	img[3]=new Image();  img[3].src="common/h_menu_info_o.gif";
	img[4]=new Image();  img[4].src="common/h_menu_map.gif";
	img[5]=new Image();  img[5].src="common/h_menu_map_o.gif";
	img[6]=new Image();  img[6].src="common/h_menu_e.gif";
	img[7]=new Image();  img[7].src="common/h_menu_e_o.gif";
}

function Mover(nam,num){
	if(NN3 || NN4 || IE4){
		document.images[nam].src=img[num].src;
	}
}

function Mout(nam,num){
	if(NN3 || NN4 || IE4){
		document.images[nam].src=img[num].src;
	}
}