if(navigator.appVersion.charAt(0)>="3"){
	var img=new Array();
	img[1]=new Image();img[1].src="/img/head_menu_bt01.gif";
	img[2]=new Image();img[2].src="/img/head_menu_bt01b.gif";
	img[3]=new Image();img[3].src="/img/head_menu_bt02.gif";
	img[4]=new Image();img[4].src="/img/head_menu_bt02b.gif";
	img[5]=new Image();img[5].src="/img/head_menu_bt03.gif";
	img[6]=new Image();img[6].src="/img/head_menu_bt03b.gif";
	img[7]=new Image();img[7].src="/img/head_menu_bt04.gif";
	img[8]=new Image();img[8].src="/img/head_menu_bt04b.gif";
	img[9]=new Image();img[9].src="/img/head_menu_bt05.gif";
	img[10]=new Image();img[10].src="/img/head_menu_bt05b.gif";
	img[11]=new Image();img[11].src="/img/head_menu_bt06.gif";
	img[12]=new Image();img[12].src="/img/head_menu_bt06b.gif";
	img[13]=new Image();img[13].src="/img/head_bt_top.gif";
	img[14]=new Image();img[14].src="/img/head_bt_top_b.gif";
	img[15]=new Image();img[15].src="/img/head_bt_map.gif";
	img[16]=new Image();img[16].src="/img/head_bt_map_b.gif";
	img[17]=new Image();img[17].src="/img/head_bt_press.gif";
	img[18]=new Image();img[18].src="/img/head_bt_press_b.gif";
	img[19]=new Image();img[19].src="/img/head_bt_recruit.gif";
	img[20]=new Image();img[20].src="/img/head_bt_recruit_b.gif";
}
function Over(nam,num){
	if(navigator.appVersion.charAt(0)>="3"){
		document.images[nam].src=img[num].src;
	}else{}
}
function Out(nam,num){
	document.images[nam].src=img[num].src;
}