function top_preload() {

 var topimg01 = new Image();
 var topimg02 = new Image();
 var topimg03 = new Image();
 var topimg04 = new Image();
 var topimg05 = new Image();
 var topimg06 = new Image();
 var topimg07 = new Image();
 var topimg08 = new Image();
 var topimg09 = new Image();
 var topimg10 = new Image();
 var topimg11 = new Image();
 var topimg12 = new Image();
 var topimg13 = new Image();
 var topimg14 = new Image();

 var toolimg01 = new Image();
 var toolimg02 = new Image();
 var toolimg03 = new Image();
 var toolimg04 = new Image();
 var toolimg05 = new Image();
 
 var formimg01 = new Image();
 var formimg02 = new Image();
 var formimg03 = new Image();
 var formimg04 = new Image();
 var formimg05 = new Image();

 var useimg01 = new Image();
 var useimg02 = new Image();
 var useimg03 = new Image();
 var useimg04 = new Image();
 var useimg05 = new Image();
 var useimg06 = new Image();
 var useimg07 = new Image();
 var useimg08 = new Image();
 var useimg09 = new Image();
 var useimg10 = new Image();
 var useimg11 = new Image();
 var useimg12 = new Image();
 var useimg13 = new Image();
 var useimg14 = new Image();
 var useimg15 = new Image();
 var useimg16 = new Image();

 var dlimg01 = new Image();
 var dlimg02 = new Image();
 var dlimg03 = new Image();
 var dlimg04 = new Image();
 var dlimg05 = new Image();
 var dlimg06 = new Image();
 var dlimg07 = new Image();
 var dlimg08 = new Image();
 var dlimg09 = new Image();
 var dlimg10 = new Image();
 var dlimg11 = new Image();
 var dlimg12 = new Image();
 var dlimg13 = new Image();
 var dlimg14 = new Image();
 var dlimg15 = new Image();
 var dlimg16 = new Image();
 var dlimg17 = new Image();
 var dlimg18 = new Image();
 var dlimg19 = new Image();
 var dlimg20 = new Image();
 var dlimg21 = new Image();
 var dlimg22 = new Image();
 var dlimg23 = new Image();
 
 var faqimg01 = new Image();
 var faqimg02 = new Image();
 var faqimg03 = new Image();

 var guideimg01 = new Image();
 var guideimg02 = new Image();
 var guideimg03 = new Image();
 var guideimg04 = new Image();
 var guideimg05 = new Image();
 var guideimg06 = new Image();
 
 var loginimg01 = new Image();
 var loginimg02 = new Image();
 
 var tempimg01 = new Image();
 var tempimg02 = new Image();
 var tempimg03 = new Image();
 var tempimg04 = new Image();
 var tempimg05 = new Image();
 var tempimg06 = new Image();
 var tempimg07 = new Image();
 var tempimg08 = new Image();
 var tempimg09 = new Image();
 var tempimg10 = new Image();
 var tempimg11 = new Image();
 var tempimg12 = new Image(); 
 var tempimg13 = new Image();
 var tempimg14 = new Image();
 var tempimg15 = new Image();
 var tempimg16 = new Image(); 
 var tempimg17 = new Image();
 var tempimg18 = new Image();
 var tempimg19 = new Image();
 var tempimg20 = new Image();
 var tempimg21 = new Image();
 var tempimg22 = new Image();
 var tempimg23 = new Image();
 var tempimg24 = new Image();
 var tempimg25 = new Image();
 var tempimg26 = new Image();
 var tempimg27 = new Image();
 var tempimg28 = new Image(); 
 var tempimg29 = new Image();
 var tempimg30 = new Image();
 var tempimg31 = new Image();
 var tempimg32 = new Image();
 var tempimg33 = new Image();
 var tempimg34 = new Image();
 var tempimg35 = new Image();
 var tempimg36 = new Image();
 var tempimg37 = new Image();
 var tempimg38 = new Image();
 var tempimg39 = new Image();
 var tempimg40 = new Image();
 var tempimg41 = new Image(); 
 var tempimg42 = new Image();
 var tempimg43 = new Image();
 var tempimg44 = new Image();
 var tempimg45 = new Image();
 var tempimg46 = new Image();
 var tempimg47 = new Image();
 var tempimg48 = new Image();
 

/*トップページ*/
topimg01.src = "img/b_login_f2.jpg";
topimg02.src = "img/guide_f2.jpg";
topimg03.src = "img/use_f2.jpg";
topimg04.src = "img/faq_f2.jpg";
topimg05.src = "img/dl_f2.jpg";
topimg06.src = "img/tool_f2.jpg";
topimg07.src = "img/support_f2.jpg";
topimg08.src = "img/contact_f2.jpg";
topimg09.src = "img/mm_f2.jpg";
topimg10.src = "img/b_member_f2.jpg";
topimg11.src = "img/img/b_gb3_f2.jpg";
topimg12.src = "img/b_gb2007_f2.jpg";
topimg13.src = "img/b_moss2007_f2.jpg";
topimg14.src = "img/b_logout_f2.jpg";

/*連携ツール*/
toolimg01.src = "tool/img/b_mcs_f2.jpg";
toolimg02.src = "tool/img/b_xerox_f2.jpg";
toolimg03.src = "tool/img/b_apeos_f2.jpg";
toolimg04.src = "tool/img/b_office_f2.jpg";
toolimg05.src = "tool/img/xerox/b_support_f2.jpg";

/*フォーム*/
formimg01.src = "contact/img/b_faq_f2.jpg";
formimg02.src = "img/confirm_f2.jpg";
formimg03.src = "support/img/img/b_custom_f2.jpg";
formimg04.src = "img/submit_f2.jpg";
formimg05.src = "img/back_f2.jpg";

/*活用例*/
useimg01.src = "use/img/b_gb3.jpg";
useimg02.src = "use/img/b_gb2007.jpg";
useimg03.src = "use/img/b_ms2007.jpg";
useimg04.src = "use/gb3/jichitai/b_genba.jpg";
useimg05.src = "use/gb3/kensetsu/b_kyaku.jpg";
useimg06.src = "use/gb3/seizo/b_seizo.jpg";
useimg07.src = "use/gb3/shinryo/b_staff.jpg";
useimg08.src = "use/gb3/shinryo/b_kanjya.jpg";
useimg09.src = "use/gb3/soumu/b_sinsei.jpg";
useimg10.src = "use/gb3/soumu/b_torihiki.jpg";
useimg11.src = "use/gb3/soumu/b_kyoiku.jpg";
useimg12.src = "use/gb3/soumu/sh_b1_f2.jpg";
useimg13.src = "use/gb3/soumu/sh_b2_f2.jpg";
useimg14.src = "use/gb3/soumu/sh_b3_f2.jpg";
useimg15.src = "use/gb3/soumu/sh_b4_f2.jpg";
useimg16.src = "use/gb3/soumu/sh_b5_f2.jpg";

/*ダウンロード*/
dlimg01.src = "dl/img/gb3_f2.jpg";
dlimg02.src = "dl/img/gb2007_f2.jpg";
dlimg03.src = "dl/img/ms2007_f2.jpg";

dlimg04.src = "dl/img/soumu_f2.jpg";
dlimg05.src = "dl/img/kensetsu_f2.jpg";
dlimg06.src = "dl/img/shinryo_f2.jpg";
dlimg07.src = "dl/img/seizo_f2.jpg";
dlimg08.src = "dl/img/jichitai_f2.jpg";

dlimg09.src = "dl/img/new_f2.jpg";
dlimg10.src = "dl/img/schedule_f2.jpg";
dlimg11.src = "dl/img/skill_f2.jpg";
dlimg12.src = "dl/img/calendar_f2.jpg";
dlimg13.src = "dl/img/watch_f2.jpg";
dlimg14.src = "dl/img/board_f2.jpg";
dlimg15.src = "dl/img/page_f2.jpg";
dlimg16.src = "dl/img/dentaku_f2.jpg";
dlimg17.src = "dl/img/zip_f2.jpg";
dlimg18.src = "dl/img/memo_f2.jpg";
dlimg19.src = "dl/img/cellph_f2.jpg";
dlimg20.src = "dl/img/catalog_f2.jpg";
dlimg21.src = "dl/img/bihin_f2.jpg";

dlimg22.src = "dl/img/b_use_f2.jpg";
dlimg23.src = "dl/img/b_dwl_f2.jpg";

/*Ｑ＆Ａ*/
faqimg01.src = "faq/img/wss_f2.jpg";
faqimg02.src = "faq/img/gb_f2.jpg";
faqimg03.src = "faq/img/moss_f2.jpg";

/*導入ガイド*/
guideimg01.src = "guide/img/gb3_f2.jpg";
guideimg02.src = "guide/img/gb2007_f2.jpg";
guideimg03.src = "guide/img/ms2007_f2.jpg";

guideimg04.src = "guide/img/sgb3_f2.jpg";
guideimg05.src = "guide/img/sgb2007_f2.jpg";
guideimg06.src = "guide/img/sms2007_f2.jpg";

/*ログイン*/
loginimg01.src = "login/img/b_login_f2.jpg";
loginimg02.src = "login/img/b_member_f2.jpg";

/*テンプレート*/
tempimg01.src = "use/gb3/kensetsu/ge_b1_f2.jpg";
tempimg02.src = "use/gb3/kensetsu/ge_b2_f2.jpg";
tempimg03.src = "use/gb3/kensetsu/ge_b3_f2.jpg";
tempimg04.src = "use/gb3/kensetsu/ge_b4_f2.jpg";
tempimg05.src = "use/gb3/kensetsu/ge_b5_f2.jpg";
tempimg06.src = "use/gb3/kensetsu/ge_b6_f2.jpg";

tempimg07.src = "use/gb3/jichitai/ji_b1_f2.jpg";
tempimg08.src = "use/gb3/jichitai/ji_b2_f2.jpg";
tempimg09.src = "use/gb3/jichitai/ji_b3_f2.jpg";
tempimg10.src = "use/gb3/jichitai/ji_b4_f2.jpg";
tempimg11.src = "use/gb3/jichitai/ji_b5_f2.jpg";
tempimg12.src = "use/gb3/jichitai/ji_b6_f2.jpg";

tempimg13.src = "use/gb3/shinryo/ka_b1_f2.jpg";
tempimg14.src = "use/gb3/shinryo/ka_b2_f2.jpg";
tempimg15.src = "use/gb3/shinryo/ka_b3_f2.jpg";

tempimg16.src = "use/gb3/soumu/ky_b1_f2.jpg";
tempimg17.src = "use/gb3/soumu/ky_b2_f2.jpg";
tempimg18.src = "use/gb3/soumu/ky_b3_f2.jpg";
tempimg19.src = "use/gb3/soumu/ky_b4_f2.jpg";
tempimg20.src = "use/gb3/soumu/ky_b5_f2.jpg";
tempimg21.src = "use/gb3/soumu/ky_b6_f2.jpg";
tempimg22.src = "use/gb3/soumu/ky_b7_f2.jpg";

tempimg23.src = "use/gb3/kensetsu/cu_b1_f2.jpg";
tempimg24.src = "use/gb3/kensetsu/cu_b2_f2.jpg";
tempimg25.src = "use/gb3/kensetsu/cu_b3_f2.jpg";
tempimg26.src = "use/gb3/kensetsu/cu_b4_f2.jpg";
tempimg27.src = "use/gb3/kensetsu/cu_b5_f2.jpg";
tempimg28.src = "use/gb3/kensetsu/cu_b6_f2.jpg";

tempimg29.src = "use/gb3/seizo/se_b1_f2.jpg";
tempimg30.src = "use/gb3/seizo/se_b2_f2.jpg";
tempimg31.src = "use/gb3/seizo/se_b3_f2.jpg";
tempimg32.src = "use/gb3/seizo/se_b4_f2.jpg";
tempimg33.src = "use/gb3/seizo/se_b5_f2.jpg";
tempimg34.src = "use/gb3/seizo/se_b6_f2.jpg";
tempimg35.src = "use/gb3/seizo/se_b7_f2.jpg";

tempimg36.src = "use/gb3/shinryo/si_b1_f2.jpg";
tempimg37.src = "use/gb3/shinryo/si_b2_f2.jpg";
tempimg38.src = "use/gb3/shinryo/si_b3_f2.jpg";
tempimg39.src = "use/gb3/shinryo/si_b4_f2.jpg";
tempimg40.src = "use/gb3/shinryo/si_b5_f2.jpg";
tempimg41.src = "use/gb3/shinryo/si_b6_f2.jpg";
tempimg42.src = "use/gb3/shinryo/si_b7_f2.jpg";

tempimg43.src = "use/gb3/soumu/to_b1_f2.jpg";
tempimg44.src = "use/gb3/soumu/to_b2_f2.jpg";
tempimg45.src = "use/gb3/soumu/to_b3_f2.jpg";
tempimg46.src = "use/gb3/soumu/to_b4_f2.jpg";
tempimg47.src = "use/gb3/soumu/to_b5_f2.jpg";
tempimg48.src = "use/gb3/soumu/to_b6_f2.jpg";

}