function    clear_text(){

    window.document.form3.freeword.value    =   "";

}
function    check_radio(){

    var selidx  =   window.document.form3.category.selectedIndex;
    var sp_val;
    sp_val  =   window.document.form3.category[selidx].value.split(":");
    //alert(selidx+":"+sp_val[0]+":"+sp_val[1]);

    if  (sp_val[0]      ==  "e"){
        window.document.form3.lang[0].checked      =   true;
        window.document.form3.lang[1].checked      =   false;
    }
    else{
        window.document.form3.lang[1].checked      =   true;
        window.document.form3.lang[0].checked      =   false;
    }
        
}
function    check_select(){

    var max_idx     =   window.document.form3.category.length;
    var e_idx       =   0;
    var c_idx;

    var selidx  =   window.document.form3.category.selectedIndex;
    var sp_val;

    for(idx = 0; idx < max_idx; idx++) {
        sp_val  =   window.document.form3.category[idx].value.split(":");
        if  (sp_val[0]  ==  "c"){
            c_idx       =   idx;
            break;
        }
    }

    //alert(e_idx+"<=>"+c_idx);

    var selidx  =   window.document.form3.category.selectedIndex;
    sp_val  =   window.document.form3.category[selidx].value.split(":");
    if  (window.document.form3.lang[0].checked  ==  true){
        if  (sp_val[0]                          ==  "c"){
            window.document.form3.category.selectedIndex    =   e_idx;
        }
    }
    else{
        if  (sp_val[0]                          ==  "e"){
            window.document.form3.category.selectedIndex    =   c_idx;
        }
    }

}