var load_ok = false;

function init(imgbase) {
    if (document.images) {
        img_on  = new Array();
        img_off = new Array();

        // Init
        img_on['b_top']   = new Image;
        img_off['b_top']  = new Image;
		
        img_on['gaiyou']   = new Image;
        img_off['gaiyou']  = new Image;
		
		img_on['kinou']   = new Image;
        img_off['kinou']  = new Image;

        img_on['ketai']   = new Image;
        img_off['ketai']  = new Image;
		
        img_on['dousa']   = new Image;
        img_off['dousa']  = new Image;

        img_on['kakaku']   = new Image;
        img_off['kakaku']  = new Image;

        img_on['demo']   = new Image;
        img_off['demo']  = new Image;
		
		img_on['zirei']   = new Image;
        img_off['zirei']  = new Image;
		
		img_on['download']   = new Image;
        img_off['download']  = new Image;
		
		img_on['kounyu']   = new Image;
        img_off['kounyu']  = new Image;
		
		img_on['id']   = new Image;
        img_off['id']  = new Image;
		
		img_on['gamen']   = new Image;
        img_off['gamen']  = new Image;
		
		img_on['use']   = new Image;
        img_off['use']  = new Image;

		img_on['moushi']   = new Image;
        img_off['moushi']  = new Image;

        img_on['support']   = new Image;
        img_off['support']  = new Image;
		
		img_on['kochirakara']   = new Image;
        img_off['kochirakara']  = new Image;
		
		img_on['supdoc']   = new Image;
        img_off['supdoc']  = new Image;

		img_on['manual']   = new Image;
        img_off['manual']  = new Image;
		
		img_on['qanda']   = new Image;
        img_off['qanda']  = new Image;
		
		img_on['otoi']   = new Image;
        img_off['otoi']  = new Image;
		
		img_on['hanbaiten']   = new Image;
        img_off['hanbaiten']  = new Image;
		
		img_on['annai']   = new Image;
        img_off['annai']  = new Image;
		
		img_on['b_asp']   = new Image;
        img_off['b_asp']  = new Image;
		
		img_on['whatnew']   = new Image;
        img_off['whatnew']  = new Image;

        // ON Images
        img_on['b_top'].src   = imgbase + "b_top_on.gif";
		img_on['gaiyou'].src   = imgbase + "gaiyou_on.gif";
        img_on['kinou'].src   = imgbase + "kinou_on.gif";
        img_on['ketai'].src   = imgbase + "ketai_on.gif";
        img_on['dousa'].src   = imgbase + "dousa_on.gif";
        img_on['kakaku'].src   = imgbase + "kakaku_on.gif";
        img_on['demo'].src   = imgbase + "demo_on.gif";
		img_on['zirei'].src   = imgbase + "zirei_on.gif";
		img_on['download'].src   = imgbase + "download_on.gif";
		img_on['kounyu'].src   = imgbase + "kounyu_on.gif";
		img_on['id'].src  = imgbase + "id_on.gif";
		img_on['gamen'].src  = imgbase + "gamen_on.gif";
		img_on['use'].src  = imgbase + "use_on.gif";
		img_on['moushi'].src  = imgbase + "moushi_on.gif";
        img_on['support'].src   = imgbase + "support_on.gif";
		img_on['kochirakara'].src   = imgbase + "kochirakara_on.gif";
		img_on['supdoc'].src   = imgbase + "supdoc_on.gif";
		img_on['manual'].src   = imgbase + "manual_on.gif";
		img_on['qanda'].src   = imgbase + "qanda_on.gif";
		img_on['otoi'].src   = imgbase + "otoi_on.gif";
		img_on['hanbaiten'].src   = imgbase + "hanbaiten_on.gif";
		img_on['annai'].src   = imgbase + "annai_on.gif";
		img_on['b_asp'].src   = imgbase + "b_asp_on.gif";
		img_on['whatnew'].src   = imgbase + "what_on.gif";
        
        // OFF Images
        img_off['b_top'].src  = imgbase + "b_top_off.gif";
		img_off['gaiyou'].src  = imgbase + "gaiyou_off.gif";
        img_off['kinou'].src  = imgbase + "kinou_off.gif";
        img_off['dousa'].src  = imgbase + "dousa_off.gif";
        img_off['ketai'].src  = imgbase + "ketai_off.gif";
        img_off['kakaku'].src  = imgbase + "kakaku_off.gif";
        img_off['demo'].src  = imgbase + "demo_off.gif";
		img_off['zirei'].src  = imgbase + "zirei_off.gif";
		img_off['download'].src  = imgbase + "download_off.gif";
		img_off['kounyu'].src  = imgbase + "kounyu_off.gif";
		img_off['id'].src  = imgbase + "id_off.gif";
		img_off['gamen'].src  = imgbase + "gamen_off.gif";
		img_off['use'].src  = imgbase + "use_off.gif";
		img_off['moushi'].src  = imgbase + "moushi_off.gif";
        img_off['support'].src  = imgbase + "support_off.gif";
		img_off['kochirakara'].src  = imgbase + "kochirakara_off.gif";
		img_off['supdoc'].src  = imgbase + "supdoc_off.gif";
		img_off['manual'].src  = imgbase + "manual_off.gif";
		img_off['qanda'].src  = imgbase + "qanda_off.gif";
		img_off['otoi'].src  = imgbase + "otoi_off.gif";
		img_off['hanbaiten'].src  = imgbase + "hanbaiten_off.gif";
		img_off['annai'].src  = imgbase + "annai_off.gif";
		img_off['b_asp'].src  = imgbase + "b_asp_off.gif";
		img_off['whatnew'].src   = imgbase + "what_off.gif";

        load_ok = true;
    }
}

function imgFocus(fid) {
    if (document.images && load_ok) {
        document.images[fid].src = img_on[fid].src;
    }
}

function imgBlur(fid) {
    if (document.images && load_ok) {
        document.images[fid].src = img_off[fid].src;
    }
}