function ChangeDisplay(id){
    if(document.all) {
        OBJ  = document.all(id);
        OBJ2 = document.all(id+"_text");
    } else if ( document.getElementById ) {
        OBJ  = document.getElementById(id);
        OBJ2 = document.getElementById(id+"_text");
    }

    if (OBJ) {
        OBJ.style.display=='none'?OBJ.style.display='':OBJ.style.display='none';
        OBJ2.innerHTML=='（表示しない）'?OBJ2.innerHTML='（表示する）':OBJ2.innerHTML='（表示しない）';
    }
} 

function ChangeDisplay2(id){
    if(document.all) {
        OBJ  = document.all(id);
        OBJ2 = document.all(id+"_text");
    } else if ( document.getElementById ) {
        OBJ  = document.getElementById(id);
        OBJ2 = document.getElementById(id+"_text");
    }

    if (OBJ) {
        if ( OBJ.className=='plan_list_detail_hide' ) {
            OBJ.className='plan_list_detail_show';
            OBJ2.src='../plan/images/opened.gif'
        } else {
            OBJ.className='plan_list_detail_hide';
            OBJ2.src='../plan/images/closed.gif'
        }

    }
} 
function ChangeDisplay3(id_start, id_end, mode){
    for ( loop=id_start; loop<=id_end; loop++) {

        if(document.all) {
            OBJ  = document.all("detail"+loop);
            OBJ2 = document.all("detail"+loop+"_text");
        } else if ( document.getElementById ) {
            OBJ  = document.getElementById("detail"+loop);
            OBJ2 = document.getElementById("detail"+loop+"_text");
        }

        if (OBJ) {
            if ( mode == '1' ) {
                OBJ.className='plan_list_detail_show';
                OBJ2.src='../plan/images/opened.gif'
            } else {
                OBJ.className='plan_list_detail_hide';
                OBJ2.src='../plan/images/closed.gif'
            }

        }
    }
}
// add 071106 start
function ChangeDisplay4(){
    if(document.all) {
        OBJ1 = document.all("condition_bunrui");
        OBJ2 = document.all("condition_file");
        OBJ3 = document.all("condition_sort");
        OBJ4 = document.all("condition_sozai");
        OBJX = document.all("detail_show");
    } else if ( document.getElementById ) {
        OBJ1  = document.getElementById("condition_bunrui");
        OBJ2 = document.getElementById("condition_file");
        OBJ3 = document.getElementById("condition_sort");
        OBJ4 = document.getElementById("condition_sozai");
        OBJX = document.getElementById("detail_show");
    }

    if (OBJ1) {
        OBJ1.style.display=='none'?OBJ1.style.display='':OBJ1.style.display='none';
        OBJ2.style.display=='none'?OBJ2.style.display='':OBJ2.style.display='none';
        OBJ3.style.display=='none'?OBJ3.style.display='':OBJ3.style.display='none';
        OBJ4.style.display=='none'?OBJ4.style.display='':OBJ4.style.display='none';
        OBJX.innerHTML=='詳細表示しない'?OBJX.innerHTML='詳細表示する':OBJX.innerHTML='詳細表示しない';
    }
} 
// add 071106 end

function JumpToSubject(myURL) {
    url = myURL.options[myURL.selectedIndex].value;
    if(url != "") { location.href = url; }
}


// Start scroll Page top

function scrollTop(){
    count = 0;
    bln = 0;
    timerID = setInterval('scroll()',40);
}

function scroll(){
    y = 0;
    if (bln == 0){
        y = ((document.compatMode=="CSS1Compat")?document.documentElement:document.body).scrollTop;
        if (count < y){
            window.scrollTo(0,y - count);
            count = y / 8;
            if (count > (y - 6)){
                count = 2;
            }
        }
        else {
        clearInterval(timerID);
        bln = 1;
        location.hash='top';
        }
    }
}
// End scroll Page top

//小学校に全チェックを入れる
function ChangeCheckboxES(field){

    if ( field.checked == false) {
        if(document.all) {
            for ( loop = 1 ; loop <= 6 ; loop++ ) {
                document.all("grade"+loop).checked = false;
            }
        } else if ( document.getElementById ) {
            for ( loop = 1 ; loop <= 6 ; loop++ ) {
                document.getElementById("grade"+loop).checked = false;
            }
        }
    } else {
        if(document.all) {
            for ( loop = 1 ; loop <= 6 ; loop++ ) {
                document.all("grade"+loop).checked = true;
            }
        } else if ( document.getElementById ) {
            for ( loop = 1 ; loop <= 6 ; loop++ ) {
                document.getElementById("grade"+loop).checked = true;
            }
        }

    }

}

//中学校に全チェックを入れる
function ChangeCheckboxJH(field){

    if ( field.checked == false) {
        if(document.all) {
            for ( loop = 7 ; loop <= 9 ; loop++ ) {
                document.all("grade"+loop).checked = false;
            }
        } else if ( document.getElementById ) {
            for ( loop = 7 ; loop <= 9 ; loop++ ) {
                document.getElementById("grade"+loop).checked = false;
            }
        }
    } else {
        if(document.all) {
            for ( loop = 7 ; loop <= 9 ; loop++ ) {
                document.all("grade"+loop).checked = true;
            }
        } else if ( document.getElementById ) {
            for ( loop = 7 ; loop <= 9 ; loop++ ) {
                document.getElementById("grade"+loop).checked = true;
            }
        }

    }

}