function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		jaushyang_gsjj_Down = newImage("images/jaushyang-bar-gsjj-down.gif");
		jaushyang_gsjj_Over = newImage("images/jaushyang-bar-gsjj-over.gif");
		jaushyang_cpjs_Over = newImage("images/jaushyang-bar-cpjs-over.gif");
		jaushyang_cpjs_Down = newImage("images/jaushyang-bar-cpjs-down.gif");
		jaushyang_zxdg_Over = newImage("images/jaushyang-bar-zxdg-over.gif");
		jaushyang_zxdg_Down = newImage("images/jaushyang-bar-zxdg-down.gif");
		jaushyang_cpfw_Over = newImage("images/jaushyang-bar-cpfw-over.gif");
		jaushyang_cpfw_Down = newImage("images/jaushyang-bar-cpfw-down.gif");
		jaushyang_lxwm_Over = newImage("images/jaushyang-bar-lxwm-over.gif");
		jaushyang_lxwm_Down = newImage("images/jaushyang-bar-lxwm-down.gif");
		jaushyangtophome_Over=newImage("images/jaushyang-top-home-over.gif");
		jaushyangtophomechip_Over=newImage("images/jaushyang-top-chip2-over.gif");
		jaushyang_chip1_down=newImage("images/jaushyang-bar-chip1-down.gif");
		jaushyang_chip1_over=newImage("images/jaushyang-bar-chip1-over.gif");
		jaushyang_chipend_down=newImage("images/jaushyang-bar-chip-end-down.gif");
		jaushyang_chipend_over=newImage("images/jaushyang-bar-chip-end-over.gif");
		jaushyang_chipl_over=newImage("images/jaushyang-bar-chipl-over.gif");
		jaushyang_chipl_down=newImage("images/jaushyang-bar-chipl-down.gif");
		jaushyang_chipr_over=newImage("images/jaushyang-bar-chipr-over.gif");
		jaushyang_chipr_down=newImage("images/jaushyang-bar-chipr-down.gif");
                sm_dgb=newImage("images/daoguangbang.gif");
                sm_xzxb=newImage("images/meihuazhuan.gif");
                sm_jhxb=newImage("images/sanjiao.gif");
                sm_yxg=newImage("images/neicizhiguan.gif");
                sm_pcyxg=newImage("images/neicixuanzhuan.gif");
		ok_send=newImage("images/products/ool-buttonok.gif");
                ok_send_over=newImage("images/products/ool-buttonok-over.gif");
                ok_send_down=newImage("images/products/ool-buttonok-down.gif");
                cancel=newImage("images/products/ool-buttoncancle.gif");
                cancel_down=newImage("images/products/ool-buttoncancle-down.gif");
                cancel_over=newImage("images/products/ool-buttoncancle-over.gif");
                printer=newImage("images/products/printert.gif");
                printer_over=newImage("images/products/printert-over.gif");
                print_pages_over=newImage("pages/print-over.gif");
                print_pages=newImage("pages/print.gif");
                close_pages_over=newImage("pages/close-over.gif");
                close_pages=newImage("pages/close.gif");
                preloadFlag = true;
	}
}