// JavaScript Document
/* This function is called when user selects file in file dialog */
function jsUpload(upload_field,img)
{
    // this is just an example of checking file extensions
    // if you do not need extension checking, remove 
    // everything down to line
    // upload_field.form.submit();

	var thefile = document.getElementById('bigimg');
	document.getElementById('doimg').value=img;
	if(img > 0) thefile = document.getElementById('smlimg');
	
    var re_text = /\.gif|\.jpg|\.png/i;
    var re_textA = /\.GIF|\.JPG|\.PNG/i;
    var filename = upload_field.value;

    /* Checking file type */
    if (thefile.value != '' && thefile.value != null) {
		if (filename.search(re_text) == -1 && filename.search(re_textA) == -1)
		{
			alert("File is of wrong file type, please try again!");
			upload_field.form.reset();
			return false;
		}
	}
    upload_field.form.submit();
	var msgID = 'upload_status'+img;
   //  document.getElementById(msgID).value = "Uploading file...";
    // upload_field.disabled = true;
    return true;
}
function eventUpload(upload_field,img)
{
    var re_text = /\.jpg|\.gif|\.png/i;  var formats = '(JPG, GIF, PNG)';
	if(img == 1) { re_text = /\.flv|\.swf/i; formats = '(FLV, SWF)'; }
	if(img == 2) { re_text = /\.mp3|\.mp4/i; formats = '(MP3, MP4)'; }

    var filename = upload_field.value;
	document.getElementById('doimg').value=img;

    /* Checking file type */
    if (filename.search(re_text) == -1)
    {
        alert("File is not of expected format "+formats+"!");
        upload_field.form.reset();
        return false;
    }

    upload_field.form.submit();
    return true;
}