/* window open */
function opWinMesseage() {
  window.open('message.html','subwin','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=600,height=850');
}
function opWinGraduate() {
  window.open('graduate.html','subwin','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=600,height=850');
}
function opWinCloseup() {
  window.open('closeup.html','subwin','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=980,height=620');
}

/* menu */
function menu11(){
    document.menu1img.src="http://www.koyobi.ac.jp/images/gnavi_introduction.gif";
}
function menu12(){
    document.menu1img.src="http://www.koyobi.ac.jp/images/gnavi_introduction_o.gif";
}

function menu21(){
    document.menu2img.src="http://www.koyobi.ac.jp/images/gnavi_curriculum.gif";
}
function menu22(){
    document.menu2img.src="http://www.koyobi.ac.jp/images/gnavi_curriculum_o.gif";
}

function menu31(){
    document.menu3img.src="http://www.koyobi.ac.jp/images/gnavi_accomplishment.gif";
}
function menu32(){
    document.menu3img.src="http://www.koyobi.ac.jp/images/gnavi_accomplishment_o.gif";
}

function menu41(){
    document.menu4img.src="http://www.koyobi.ac.jp/images/gnavi_application.gif";
}
function menu42(){
    document.menu4img.src="http://www.koyobi.ac.jp/images/gnavi_application_o.gif";
}

function menu51(){
    document.menu5img.src="http://www.koyobi.ac.jp/images/gnavi_faq.gif";
}
function menu52(){
    document.menu5img.src="http://www.koyobi.ac.jp/images/gnavi_faq_o.gif";
}

/* menu - 3reason */
function top11(){
    document.top1img.src="http://www.koyobi.ac.jp/images/top_main_allience.gif";
}
function top12(){
    document.top1img.src="http://www.koyobi.ac.jp/images/top_main_allience_o.gif";
}

function top21(){
    document.top2img.src="http://www.koyobi.ac.jp/images/top_main_teaching.gif";
}
function top22(){
    document.top2img.src="http://www.koyobi.ac.jp/images/top_main_teaching_o.gif";
}

function top31(){
    document.top3img.src="http://www.koyobi.ac.jp/images/top_main_environment.gif";
}
function top32(){
    document.top3img.src="http://www.koyobi.ac.jp/images/top_main_environment_o.gif";
}

/*introduction*/
function intro11(){
    document.intro1img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_about.gif";
}
function intro12(){
    document.intro1img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_about_o.gif";
}

function intro21(){
    document.intro2img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_vision.gif";
}
function intro22(){
    document.intro2img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_vision_o.gif";
}

function intro31(){
    document.intro3img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_super.gif";
}
function intro32(){
    document.intro3img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_super_o.gif";
}

function intro41(){
    document.intro4img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_school.gif";
}
function intro42(){
    document.intro4img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_school_o.gif";
}

function intro51(){
    document.intro5img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_dormi.gif";
}
function intro52(){
    document.intro5img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_dormi_o.gif";
}

function intro61(){
    document.intro6img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_news.gif";
}
function intro62(){
    document.intro6img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_news_o.gif";
}

function intro71(){
    document.intro7img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_recruit.gif";
}
function intro72(){
    document.intro7img.src="http://www.koyobi.ac.jp/introduction/images/intro_lnavi_recruit_o.gif";
}

/*curriculum*/
function curri11(){
    document.curri1img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_class.gif";
}
function curri12(){
    document.curri1img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_class_o.gif";
}

function curri21(){
    document.curri2img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_course.gif";
}
function curri22(){
    document.curri2img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_course_o.gif";
}

function curri31(){
    document.curri3img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_action.gif";
}
function curri32(){
    document.curri3img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_action_o.gif";
}

function curri41(){
    document.curri4img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_exam.gif";
}
function curri42(){
    document.curri4img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_exam_o.gif";
}

function curri51(){
    document.curri5img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_lecturer.gif";
}
function curri52(){
    document.curri5img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_lecturer_o.gif";
}

function curri61(){
    document.curri6img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_interview.gif";
}
function curri62(){
    document.curri6img.src="http://www.koyobi.ac.jp/curriculum/images/curri_lnavi_interview_o.gif";
}

/*accomplishment*/
function accomp11(){
    document.accomp1img.src="http://www.koyobi.ac.jp/accomplishment/images/accomp_lnavi_quick.gif";
}
function accomp12(){
    document.accomp1img.src="http://www.koyobi.ac.jp/accomplishment/images/accomp_lnavi_quick_o.gif";
}

function accomp21(){
    document.accomp2img.src="http://www.koyobi.ac.jp/accomplishment/images/accomp_lnavi_highlight.gif";
}
function accomp22(){
    document.accomp2img.src="http://www.koyobi.ac.jp/accomplishment/images/accomp_lnavi_highlight_o.gif";
}

/*application*/
function appli11(){
    document.appli1img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_docrequest.gif";
}
function appli12(){
    document.appli1img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_docrequest_o.gif";
}

function appli21(){
    document.appli2img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_session.gif";
}
function appli22(){
    document.appli2img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_session_o.gif";
}

function appli31(){
    document.appli3img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_admission.gif";
}
function appli32(){
    document.appli3img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_admission_o.gif";
}

function appli41(){
    document.appli4img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_seminar.gif";
}
function appli42(){
    document.appli4img.src="http://www.koyobi.ac.jp/application/images/appli_lnavi_seminar_o.gif";
}

/*faq*/
function faq11(){
    document.faq1img.src="http://www.koyobi.ac.jp/faq/images/faq_lnavi_course.gif";
}
function faq12(){
    document.faq1img.src="http://www.koyobi.ac.jp/faq/images/faq_lnavi_course_o.gif";
}

function faq21(){
    document.faq2img.src="http://www.koyobi.ac.jp/faq/images/faq_lnavi_highschool.gif";
}
function faq22(){
    document.faq2img.src="http://www.koyobi.ac.jp/faq/images/faq_lnavi_highschool_o.gif";
}

function faq31(){
    document.faq3img.src="http://www.koyobi.ac.jp/faq/images/faq_lnavi_dormi.gif";
}
function faq32(){
    document.faq3img.src="http://www.koyobi.ac.jp/faq/images/faq_lnavi_dormi_o.gif";
}

/*exposition*/
function ex11(){
    document.ex1img.src="http://www.koyobi.ac.jp/curriculum/course/images/course_btn_accomp.gif";
}
function ex12(){
    document.ex1img.src="http://www.koyobi.ac.jp/curriculum/course/images/course_btn_accomp_o.gif";
}

function ex21(){
    document.ex2img.src="http://www.koyobi.ac.jp/curriculum/course/images/course_btn_docrequest.gif";
}
function ex22(){
    document.ex2img.src="http://www.koyobi.ac.jp/curriculum/course/images/course_btn_docrequest_o.gif";
}

function ex31(){
    document.ex3img.src="http://www.koyobi.ac.jp/application/images/appli_btn_regist.gif";
}
function ex32(){
    document.ex3img.src="http://www.koyobi.ac.jp/application/images/appli_btn_regist_o.gif";
}

/*superiority*/
function super11(){
    document.super1img.src="http://www.koyobi.ac.jp/introduction/superiority/images/superiority_btn.gif";
}
function super12(){
    document.super1img.src="http://www.koyobi.ac.jp/introduction/superiority/images/superiority_btn_o.gif";
}

function super21(){
    document.super2img.src="http://www.koyobi.ac.jp/introduction/superiority/images/superiority_btn.gif";
}
function super22(){
    document.super2img.src="http://www.koyobi.ac.jp/introduction/superiority/images/superiority_btn_o.gif";
}

function super31(){
    document.super3img.src="http://www.koyobi.ac.jp/introduction/superiority/images/superiority_btn.gif";
}
function super32(){
    document.super3img.src="http://www.koyobi.ac.jp/introduction/superiority/images/superiority_btn_o.gif";
}

/* accomplishment */
function accompdata11(){
    document.accompdata1img.src="http://www.koyobi.ac.jp/accomplishment/quick_report/images/quick_btn.gif";
}
function accompdata12(){
    document.accompdata1img.src="http://www.koyobi.ac.jp/accomplishment/quick_report/images/quick_btn_o.gif";
}