// JScript File

function CheckFileTypes(file_uploader)
{
   if(file_uploader.value!="")
   {
    var file_path=file_uploader.value;
    var arr_file_exten_allowed=new Array(".doc");
    //alert(file_path + "\n" + file_path.toLowerCase());
    var valid_entry=false;
    file_path=file_path.toLowerCase();
    for(var i=0;i<file_path.length;i++)
    {
        if(file_path.lastIndexOf(arr_file_exten_allowed[i])>0)
        {
           valid_entry =true;
           break;
        }
    }
    if(!valid_entry)
    {
        alert("Inavlid File Type.");
        if(navigator.appName.toLowerCase()=='microsoft internet explorer')
        {
            file_uploader.select();
            n=file_uploader.createTextRange();
            n.execCommand('delete');                     
        }
        else
            file_uploader.value = "";
    }
   }
}

function AddtoFileList(file_uploader)
{
   CheckFileTypes(file_uploader)
   var filelist=document.getElementById("file_list");
   if(file_uploader.value!="")
   {
     var file_path=file_uploader.value;
     filelist.innerHTML = filelist.innerHTML + "<li>" + file_path + "</li>\n";
   }
}