/* 画像先読み */
	if(document.images){
		var imgCh=new Array();

			imgCh[01] = new Image(),imgCh[01].src="/shopping/products/images/icon_soft_off.gif";
			imgCh[02] = new Image(),imgCh[02].src="/shopping/products/images/icon_soft_on.gif";
			imgCh[03] = new Image(),imgCh[03].src="/shopping/products/images/icon_contents_off.gif";
			imgCh[04] = new Image(),imgCh[04].src="/shopping/products/images/icon_contents_on.gif";
			imgCh[05] = new Image(),imgCh[05].src="/shopping/products/images/icon_sample_off.gif";
			imgCh[06] = new Image(),imgCh[06].src="/shopping/products/images/icon_sample_on.gif";
			imgCh[07] = new Image(),imgCh[07].src="/shopping/products/images/icon_voice_off.gif";
			imgCh[08] = new Image(),imgCh[08].src="/shopping/products/images/icon_voice_on.gif";
			imgCh[09] = new Image(),imgCh[09].src="/shopping/products/images/icon_teacher_off.gif";
			imgCh[10] = new Image(),imgCh[10].src="/shopping/products/images/icon_teacher_on.gif";
			imgCh[11] = new Image(),imgCh[11].src="/shopping/products/images/icon_price_off.gif";
			imgCh[12] = new Image(),imgCh[12].src="/shopping/products/images/icon_price_on.gif";

			imgCh[13] = new Image(),imgCh[13].src="/shopping/products/images/icon_music_sample_off.gif";
			imgCh[14] = new Image(),imgCh[14].src="/shopping/products/images/icon_music_sample_on.gif";
			imgCh[15] = new Image(),imgCh[15].src="/shopping/products/images/icon_music_contents_off.gif";
			imgCh[16] = new Image(),imgCh[16].src="/shopping/products/images/icon_music_contents_on.gif";
			imgCh[17] = new Image(),imgCh[17].src="/shopping/products/images/icon_music_voice_off.gif";
			imgCh[18] = new Image(),imgCh[18].src="/shopping/products/images/icon_music_voice_on.gif";
			imgCh[19] = new Image(),imgCh[19].src="/shopping/products/images/icon_music_qanda_off.gif";
			imgCh[20] = new Image(),imgCh[20].src="/shopping/products/images/icon_music_qanda_on.gif";

			imgCh[21] = new Image(),imgCh[21].src="/shopping/products/images/icon_mini4_soft_off.gif";
			imgCh[22] = new Image(),imgCh[22].src="/shopping/products/images/icon_mini4_soft_on.gif";
			imgCh[23] = new Image(),imgCh[23].src="/shopping/products/images/icon_mini4_contents_off.gif";
			imgCh[24] = new Image(),imgCh[24].src="/shopping/products/images/icon_mini4_contents_on.gif";
			imgCh[25] = new Image(),imgCh[25].src="/shopping/products/images/icon_mini4_voice_off.gif";
			imgCh[26] = new Image(),imgCh[26].src="/shopping/products/images/icon_mini4_voice_on.gif";
			imgCh[27] = new Image(),imgCh[27].src="/shopping/products/images/icon_mini4_price_off.gif";
			imgCh[28] = new Image(),imgCh[28].src="/shopping/products/images/icon_mini4_price_on.gif";

			imgCh[29] = new Image(),imgCh[29].src="/shopping/products/images/icon_mini3_soft_off.gif";
			imgCh[30] = new Image(),imgCh[30].src="/shopping/products/images/icon_mini3_soft_on.gif";
			imgCh[31] = new Image(),imgCh[31].src="/shopping/products/images/icon_mini3_voice_off.gif";
			imgCh[32] = new Image(),imgCh[32].src="/shopping/products/images/icon_mini3_voice_on.gif";
			imgCh[33] = new Image(),imgCh[33].src="/shopping/products/images/icon_mini3_price_off.gif";
			imgCh[34] = new Image(),imgCh[34].src="/shopping/products/images/icon_mini3_price_on.gif";

			imgCh[35] = new Image(),imgCh[35].src="/shopping/products/images/icon_mini4_sample_off.gif";
			imgCh[36] = new Image(),imgCh[36].src="/shopping/products/images/icon_mini4_sample_on.gif";

			imgCh[64] = new Image(),imgCh[64].src="/shopping/images/head_tel_btn_off.gif";
			imgCh[65] = new Image(),imgCh[65].src="/shopping/images/head_tel_btn_on.gif";
			imgCh[66] = new Image(),imgCh[66].src="/shopping/images/head_low_btn_off.gif";
			imgCh[67] = new Image(),imgCh[67].src="/shopping/images/head_low_btn_on.gif";
			imgCh[68] = new Image(),imgCh[68].src="/shopping/images/head_about_btn_off.gif";
			imgCh[69] = new Image(),imgCh[69].src="/shopping/images/head_about_btn_on.gif";
			imgCh[70] = new Image(),imgCh[70].src="/shopping/images/head_results_btn_off.gif";
			imgCh[71] = new Image(),imgCh[71].src="/shopping/images/head_results_btn_on.gif";
			imgCh[72] = new Image(),imgCh[72].src="/shopping/images/head_qanda_btn_off.gif";
			imgCh[73] = new Image(),imgCh[73].src="/shopping/images/head_qanda_btn_on.gif";
			imgCh[74] = new Image(),imgCh[74].src="/shopping/images/head_inq_btn_off.gif";
			imgCh[75] = new Image(),imgCh[75].src="/shopping/images/head_inq_btn_on.gif";
			imgCh[76] = new Image(),imgCh[76].src="/shopping/images/head_shopping_btn_off.gif";
			imgCh[77] = new Image(),imgCh[77].src="/shopping/images/head_shopping_btn_on.gif";
			imgCh[78] = new Image(),imgCh[78].src="/shopping/images/head_home_btn_off.gif";
			imgCh[79] = new Image(),imgCh[79].src="/shopping/images/head_home_btn_on.gif";
			imgCh[80] = new Image(),imgCh[80].src="/shopping/images/head_gather_btn_off.gif";
			imgCh[81] = new Image(),imgCh[81].src="/shopping/images/head_gather_btn_on.gif";
	}
/* マウスオーバーボタン */
	function chBttn(name,num){
		if(document.images)document.images[name].src = imgCh[num].src;
	}