function chg_c_navi(a,b){
	c_navi = new Array();
	c_navi[0] = "url(img/c_hdr_btn_bg_01_01.gif)";
	c_navi[1] = "url(img/c_hdr_btn_bg_01_02.gif)";
	c_navi[2] = "url(img/c_hdr_btn_bg_02_01.gif)";
	c_navi[3] = "url(img/c_hdr_btn_bg_02_02.gif)";
	c_navi[4] = "url(img/c_hdr_btn_bg_03_01.gif)";
	c_navi[5] = "url(img/c_hdr_btn_bg_03_02.gif)";
	c_navi[6] = "url(img/c_hdr_btn_bg_04_01.gif)";
	c_navi[7] = "url(img/c_hdr_btn_bg_04_02.gif)";
	c_navi[8] = "url(img/c_hdr_btn_bg_05_01.gif)";
	c_navi[9] = "url(img/c_hdr_btn_bg_05_02.gif)";
	c_navi[10] = "url(img/c_hdr_btn_bg_06_01.gif)";
	c_navi[11] = "url(img/c_hdr_btn_bg_06_02.gif)";
	document.getElementById("navi_"+a).style.backgroundImage=c_navi[b];
}

function chg_c_navi2(a,b){
	c_navi = new Array();
	c_navi[0] = "url(../img/c_hdr_btn_bg_01_01.gif)";
	c_navi[1] = "url(../img/c_hdr_btn_bg_01_02.gif)";
	c_navi[2] = "url(../img/c_hdr_btn_bg_02_01.gif)";
	c_navi[3] = "url(../img/c_hdr_btn_bg_02_02.gif)";
	c_navi[4] = "url(../img/c_hdr_btn_bg_03_01.gif)";
	c_navi[5] = "url(../img/c_hdr_btn_bg_03_02.gif)";
	c_navi[6] = "url(../img/c_hdr_btn_bg_04_01.gif)";
	c_navi[7] = "url(../img/c_hdr_btn_bg_04_02.gif)";
	c_navi[8] = "url(../img/c_hdr_btn_bg_05_01.gif)";
	c_navi[9] = "url(../img/c_hdr_btn_bg_05_02.gif)";
	c_navi[10] = "url(../img/c_hdr_btn_bg_06_01.gif)";
	c_navi[11] = "url(../img/c_hdr_btn_bg_06_02.gif)";
	document.getElementById("navi_"+a).style.backgroundImage=c_navi[b];
}

function chg_c_sttl(a,b){
	c_sttl = new Array();
	c_sttl[0] = "url(img/index_stt_bg_01_01.gif)";
	c_sttl[1] = "url(img/index_stt_bg_01_02.gif)";
	c_sttl[2] = "url(img/index_stt_bg_02_01.gif)";
	c_sttl[3] = "url(img/index_stt_bg_02_02.gif)";
	document.getElementById("sttl_"+a).style.backgroundImage=c_sttl[b];
}

function chg_c_kensaku(obj,a){
	c_kensaku = new Array();
	c_kensaku[0] = new Image; c_kensaku[0].src = "img/c_hdr_kensaku_btn_01.gif";
	c_kensaku[1] = new Image; c_kensaku[1].src = "img/c_hdr_kensaku_btn_02.gif";
	c_kensaku[2] = new Image; c_kensaku[2].src = "../img/c_hdr_kensaku_btn_01.gif";
	c_kensaku[3] = new Image; c_kensaku[3].src = "../img/c_hdr_kensaku_btn_02.gif";
	obj.src=c_kensaku[a].src;
}

function chg_c_cart(obj,a){
	c_cart = new Array();
	c_cart[0] = new Image; c_cart[0].src = "img/c_cart_btn_01.gif";
	c_cart[1] = new Image; c_cart[1].src = "img/c_cart_btn_02.gif";
	c_cart[2] = new Image; c_cart[2].src = "../img/c_cart_btn_01.gif";
	c_cart[3] = new Image; c_cart[3].src = "../img/c_cart_btn_02.gif";
	c_cart[4] = new Image; c_cart[4].src = "../img/c_cart_btn_03.gif";
	c_cart[5] = new Image; c_cart[5].src = "../img/c_cart_btn_04.gif";
	obj.src=c_cart[a].src;
}

function chg_c_what(a,b){
	c_what = new Array();
	c_what[0] = new Image; c_what[0].src = "img/what_toothmake_btn_01.gif";
	c_what[1] = new Image; c_what[1].src = "img/what_toothmake_btn_02.gif";
	document.images["what_"+a].src=c_what[b].src;
}

function chg_c_shiyohoho(a){
	c_shiyohoho = new Array();
	c_shiyohoho[0] = new Image; c_shiyohoho[0].src = "../img/c_shiyohoho_btn_01.gif";
	c_shiyohoho[1] = new Image; c_shiyohoho[1].src = "../img/c_shiyohoho_btn_02.gif";
	document.images["shiyohoho"].src=c_shiyohoho[a].src;
}

function chg_index_new(com){
	if(com == 1) window.open("new.html","New","width=770px,height=600px,scrollbars=1");
	if(com == 0) window.close();
}

function chg_new_close(a){
	new_close = new Array();
	new_close[0] = new Image; new_close[0].src = "img/new_btn_close_01.gif";
	new_close[1] = new Image; new_close[1].src = "img/new_btn_close_02.gif";
	document.images["new_close"].src=new_close[a].src;
}

function chg_new_toiawase(a){
	new_toiawase = new Array();
	new_toiawase[0] = new Image; new_toiawase[0].src = "img/new_toiawase_btn_01.gif";
	new_toiawase[1] = new Image; new_toiawase[1].src = "img/new_toiawase_btn_02.gif";
	document.images["new_toiawase"].src=new_toiawase[a].src;
}

function chg_howto_navi(a,b){
	howto_navi_l = new Array();
	howto_navi_l[0] = new Image; howto_navi_l[0].src = "img/howto_top_navi_btn_01_01.gif";
	howto_navi_l[1] = new Image; howto_navi_l[1].src = "img/howto_top_navi_btn_01_02.gif";
	howto_navi_r = new Array();
	howto_navi_r[0] = new Image; howto_navi_r[0].src = "img/howto_top_navi_btn_02_01.gif";
	howto_navi_r[1] = new Image; howto_navi_r[1].src = "img/howto_top_navi_btn_02_02.gif";
	document.images["navi_l_"+a].src=howto_navi_l[b].src;
	document.images["navi_r_"+a].src=howto_navi_r[b].src;
}