if(navigator.appVersion.charAt(0) >= "3") {
	var menu = new Array();
	menu[0] = new Image();	menu[0].src = "image/topmenu/system.gif";
	menu[1] = new Image();	menu[1].src = "image/topmenu/system2.gif";
	menu[2] = new Image();	menu[2].src = "image/topmenu/hard.gif";
	menu[3] = new Image();	menu[3].src = "image/topmenu/hard2.gif";
	menu[4] = new Image();	menu[4].src = "image/topmenu/engin.gif";
	menu[5] = new Image();	menu[5].src = "image/topmenu/engin2.gif";
	menu[6] = new Image();	menu[6].src = "image/topmenu/hoshu.gif";
	menu[7] = new Image();	menu[7].src = "image/topmenu/hoshu2.gif";
	menu[8] = new Image();	menu[8].src = "image/topmenu/kiki.gif";
	menu[9] = new Image();	menu[9].src = "image/topmenu/kiki2.gif";
	menu[10] = new Image();  menu[10].src = "image/topmenu/mas.gif";
	menu[11] = new Image();  menu[11].src = "image/topmenu/mas2.gif";
	menu[12] = new Image();  menu[12].src = "image/topmenu/media.gif";
	menu[13] = new Image();  menu[13].src = "image/topmenu/media2.gif";
	menu[14] = new Image();  menu[14].src = "image/topmenu/oto.gif";
	menu[15] = new Image();  menu[15].src = "image/topmenu/oto2.gif";
	menu[16] = new Image();  menu[16].src = "image/topmenu/prof.gif";
	menu[17] = new Image();  menu[17].src = "image/topmenu/prof2.gif";
	menu[18] = new Image();  menu[18].src = "image/topmenu/dynetcom.gif";
	menu[19] = new Image();  menu[19].src = "image/topmenu/dynetcom2.gif";
	menu[20] = new Image();  menu[20].src = "image/topmenu/site.gif";
	menu[21] = new Image();  menu[21].src = "image/topmenu/site2.gif";
	menu[22] = new Image();  menu[22].src = "image/topmenu/eng.gif";
	menu[23] = new Image();  menu[23].src = "image/topmenu/eng2.gif";
	}
function changeImage(nam,num) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[nam].src=menu[num].src;
		}
	}