isIE = (navigator.appName == 'Microsoft Internet Explorer');
isV5 = (parseFloat(navigator.appVersion)>=5.0);

if (document.images) {
	rollOvers = 1;
} else {
	rollOvers = 0;
}

loaded = 0;

function loadImg() {
	if (rollOvers) {
		menu1On = new Image();
		menu1On.src = "http://www.miura-cn.com/common_img/menu01_over.gif";
		menu5On = new Image();
		menu5On.src = "http://www.miura-cn.com/common_img/menu05_over.gif";
		menu6On = new Image();
		menu6On.src = "http://www.miura-cn.com/common_img/menu06_over.gif";
		menu7On = new Image();
		menu7On.src = "http://www.miura-cn.com/common_img/menu07_over.gif";
		menu8On = new Image();
		menu8On.src = "http://www.miura-cn.com/common_img/menu08_over.gif";
		zhOn = new Image();
		zhOn.src = "http://www.miura-cn.com/common_img/chinese_over.gif";
		enOn = new Image();
		enOn.src = "http://www.miura-cn.com/common_img/english_over.gif";
		jpOn = new Image();
		jpOn.src = "http://www.miura-cn.com/common_img/japanese_over.gif";
/* 2 classes@*/
		menu01On = new Image();
		menu01On.src = "http://www.miura-cn.com/common_img/menu01_over.gif";
		menu05On = new Image();
		menu05On.src = "http://www.miura-cn.com/common_img/menu05_over.gif";
		menu06On = new Image();
		menu06On.src = "http://www.miura-cn.com/common_img/menu06_over.gif";
		menu07On = new Image();
		menu07On.src = "http://www.miura-cn.com/common_img/menu07_over.gif";
		menu08On = new Image();
		menu08On.src = "http://www.miura-cn.com/common_img/menu08_over.gif";
		zh0On = new Image();
		zh0On.src = "http://www.miura-cn.com/common_img/chinese_over.gif";
		en0On = new Image();
		en0On.src = "http://www.miura-cn.com/common_img/english_over.gif";
		jp0On = new Image();
		jp0On.src = "http://www.miura-cn.com/common_img/japanese_over.gif";
		btnmOn = new Image();
		btnmOn.src = "http://www.miura-cn.com/profile/img/btn_miura_over.gif";
		btnsOn = new Image();
		btnsOn.src = "http://www.miura-cn.com/profile/img/btn_suzhou_over.gif";
		btncOn = new Image();
		btncOn.src = "http://www.miura-cn.com/profile/img/btn_comply_over.gif";
		btnmapOn = new Image();
		btnmapOn.src = "http://www.miura-cn.com/network/img/btn_map_over.gif";
		btnlistOn = new Image();
		btnlistOn.src = "http://www.miura-cn.com/network/img/btn_list_over.gif";
		
    menu1Off = new Image();
		menu1Off.src = "http://www.miura-cn.com/common_img/menu01.gif";
    menu5Off = new Image();
		menu5Off.src = "http://www.miura-cn.com/common_img/menu05.gif";
		menu6Off = new Image();
		menu6Off.src = "http://www.miura-cn.com/common_img/menu06.gif";
		menu7Off = new Image();
		menu7Off.src = "http://www.miura-cn.com/common_img/menu07.gif";
		menu8Off = new Image();
		menu8Off.src = "http://www.miura-cn.com/common_img/menu08.gif";
		zhOff = new Image();
		zhOff.src = "http://www.miura-cn.com/common_img/chinese.gif";
		enOff = new Image();
		enOff.src = "http://www.miura-cn.com/common_img/english.gif";
		jpOff = new Image();
		jpOff.src = "http://www.miura-cn.com/common_img/japanese.gif";
/* 2 classes@*/
    menu01Off = new Image();
		menu01Off.src = "http://www.miura-cn.com/common_img/menu01.gif"; 
    menu05Off = new Image();
		menu05Off.src = "http://www.miura-cn.com/common_img/menu05.gif";
		menu06Off = new Image();
		menu06Off.src = "http://www.miura-cn.com/common_img/menu06.gif";
		menu07Off = new Image();
		menu07Off.src = "http://www.miura-cn.com/common_img/menu07.gif";
		menu08Off = new Image();
		menu08Off.src = "http://www.miura-cn.com/common_img/menu08.gif";
		zh0Off = new Image();
		zh0Off.src = "http://www.miura-cn.com/common_img/chinese.gif";
		en0Off = new Image();
		en0Off.src = "http://www.miura-cn.com/common_img/english.gif";
		jp0Off = new Image();
		jp0Off.src = "http://www.miura-cn.com/common_img/japanese.gif";
		btnmOff = new Image();
		btnmOff.src = "http://www.miura-cn.com/profile/img/btn_miura.gif";
		btnsOff = new Image();
		btnsOff.src = "http://www.miura-cn.com/profile/img/btn_suzhou.gif";
		btncOff = new Image();
		btncOff.src = "http://www.miura-cn.com/profile/img/btn_comply.gif";
		btnmapOff = new Image();
		btnmapOff.src = "http://www.miura-cn.com/network/img/btn_map.gif";
		btnlistOff = new Image();
		btnlistOff.src = "http://www.miura-cn.com/network/img/btn_list.gif";
		loaded = 1;
	}
}

function switchOn(imgName) {
	if (loaded == 1) {
		imgOn = eval(imgName+"On.src");
		document[imgName].src = imgOn;
	}
}

function switchOff(imgName) {
	if (loaded == 1) {
		imgOff = eval(imgName+"Off.src");
		document[imgName].src = imgOff;
	}
}

if (isIE || isV5) {
	loadImg();
}