//内容显示
function ShowJobType()
{
    document.getElementById("DropJobType").options.add(new Option("-请选择岗位分类-",""));			
    for(var i=0; i<DataJobType.mainJobType.length; i++)
    {
        var name=DataJobType.mainJobType[i][0];
        var id=DataJobType.mainJobType[i][1];
        document.getElementById("DropJobType").options.add(new Option(name,id));
    }
}