function insertDutyHistory(){
    var aaa="<span id='table"+DutyHistoryCount+"'>"+
    '<br><br><table class="widetable" width="100%">'+
    '<tr>'+
    '<th colspan="2">職務経歴'+
    '</th>'+
    '</tr>'+
    '<tr>'+
    '<th width="100px">業種<span class="exasterisk">＊</span></th>'+
    '<td>'+businessInfo+'</td>'+
    '</tr>'+
    '<tr>'+
    '<th width="100px">職種<span class="exasterisk">＊</span></th>'+
    '<td>'+jobTypeInfo+'</td>'+
    '</tr>'+
    '<tr>'+
    '<th>勤務期間<span class="exasterisk">＊</span></th>'+
    '<td><input type="text" name="dutyHistoryStartYearList" size="10" maxlength="4" value="">年'+
    '<input type="text" name="dutyHistoryStartMonthList" size="10" maxlength="2" value="">月～<input type="text" name="dutyHistoryEndYearList" size="10" maxlength="4" value="">年'+
    '<input type="text" name="dutyHistoryEndMonthList" size="10" maxlength="2" value="">月'+
    '<br /><span class="weaktext">年は半角数字4桁、月は半角数字2桁で入力してください。</span>'+
    '</td>'+
    '</tr>'+
    '<tr>'+
    '<th width="100px">雇用形態<span class="exasterisk">＊</span></th>'+
    '<td>'+employeeTypeInfo+'</td>'+
    '</tr>'+
    '<tr>'+
    '<th>職務内容</th>'+
    '<td>'+
    '<textarea name="dutyHistoryTextList" rows="10" cols="80" value=""></textarea>'+
    '</td>'+
    '</tr>'+
    '</table>'+
    '<input type="button" value="上記の職務経歴を削除" onClick="deleteDutyHistory('+"'table"+DutyHistoryCount+"')"+'">'+
    "</span><span id='newTable"+(DutyHistoryCount+1)+"'>";

//    s=$('div#job_plus').html();
//  $('div#job_plus').html(s+aaa);



    if(navigator.userAgent.indexOf("MSIE") != -1){
    s=document.getElementById("job_plus").innerHTML;
    document.getElementById("job_plus").innerHTML=s+aaa;
    }else{
        str = 'span#newTable'+DutyHistoryCount;
        $(str).replaceWith(aaa);
    }
    DutyHistoryCount=DutyHistoryCount+1;

}
function deleteDutyHistory(str){
    document.getElementById(str).innerHTML="";
}