Drag and drop functionality?

<?php require_once('../Connections/file.php'); ?>
<?php

function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}

//if(isset($_COOKIE['UserID'])){
//$thisUser = $_COOKIE['UserID'];
$colname_rsPermit = "-1";
if (isset($_GET['AID'])) {
  $colname_rsPermit = (get_magic_quotes_gpc()) ? $_GET['AID'] : addslashes($_GET['AID']);
}else header("Location: ../index.html");

mysql_select_db($database_famijam, $famijam);
$query_rsPermit = sprintf("SELECT * FROM ualbum WHERE intUAlbumID = %s", $colname_rsPermit);
$rsPermit = mysql_query($query_rsPermit, $famijam) or die(mysql_error());
$row_rsPermit = mysql_fetch_assoc($rsPermit);
$totalRows_rsPermit = mysql_num_rows($rsPermit);

$thisUser = $row_rsPermit['intUserID'];

//if($totalRows_rsPermit>1){

//This variable specifies relative path to the folder, where the gallery with uploaded files is located.
//Do not forget about the slash in the end of the folder name.


$galleryPath = "users/".$thisUser."/".$_GET['AID']."/";

$absGalleryPath = realpath($galleryPath) . "/";
$absThumbnailsPath = realpath($galleryPath) . "/";

function saveUploadedFiles()
{
	global $absGalleryPath, $absThumbnailsPath, $thisUser;
	
	//First of all, clear files and data uploaded at previous time.
	
	//Delete source files.
	//$handle = opendir($absGalleryPath);

	//while (false !== ($file = readdir($handle)))
	//{
	//	if (is_file($absGalleryPath . $file))
	//	{
	//		unlink($absGalleryPath . $file);
	//	}
	//}
	//closedir($handle); 

	//Delete thumbnails
	//$handle = opendir($absThumbnailsPath);	
	//while (false !== ($file = readdir($handle))) 
	//{
	//	if (is_file($absThumbnailsPath . $file))
	//	{
	//		unlink($absThumbnailsPath . $file);
	//	}
	//}
	//closedir($handle);

	//NOTE: If you do not want to delete previously uploaded files, just 
	//remove or comment out the code above.
	
	//Create XML file which will keep information about files (image dimensions, description, etc). 
	//XML is used solely for brevity. In real-life application most likely you will use database instead.
	//$descriptions = new DOMDocument('1.0');
	//$descriptions->appendChild($descriptions->createElement("files"));
	
	//Get total number of uploaded files (all files are uploaded in a single package).
	$fileCount = $_POST ["FileCount"];
	
	//Iterate through uploaded data and save the original file, thumbnail, and description.
	for ($i = 1; $i <= $fileCount; $i++)
	{
		
		
		
		//Get the first thumbnail and save it to disk. It stores 640x480 optimized image.
		$thumbnail1Field = "Thumbnail1_" . $i;
		if (!$_FILES[$thumbnail1Field]['size'])
		{
			return;	
		}
		$fileName = getSafeFileName(basename($_POST["FileName_" . $i]));		
		move_uploaded_file($_FILES[$thumbnail1Field]['tmp_name'], $absGalleryPath . "/" . $fileName);

		//$totalUploadedFileSize = $totalUploadedFileSize + filesize($absGalleryPath . "/" . $fileName);

		//Get the second thumbnail and save it to disk. It stores 88x66 preview image. 
		$thumbnail2Field = "Thumbnail2_" . $i;
		if (!$_FILES[$thumbnail2Field]['size'])
		{
			return;	
		}
		move_uploaded_file($_FILES[$thumbnail2Field]['tmp_name'], $absGalleryPath . "/t-" . $fileName);
		
		// Insert Pic info into database
		
		$insertSQL = sprintf("INSERT INTO upics (upicName, upicTitle, upicDesc, intUserID, upitWidth, upicHeight, intUAlbumID) VALUES (%s, %s, %s, %s, %s, %s, %s)",
                       GetSQLValueString($fileName, "text"),
                       GetSQLValueString($_POST ['Title_' . $i], "text"),
                       GetSQLValueString($_POST ['Description_' . $i], "text"),
                       GetSQLValueString($thisUser, "int"),
					   GetSQLValueString($_POST ['Width_' . $i], "int"),
					   GetSQLValueString($_POST ['Height_' . $i], "int"),
                       GetSQLValueString($_GET['AID'], "int"));

    	mysql_select_db($database_famijam, $famijam);
    	$Result1 = mysql_query($insertSQL, $famijam) or die(mysql_error());
		//Get first thumbnail (the single thumbnail in this code sample) and save it to disk.
		//$thumbnail1Field = "Thumbnail1_" . $i;
		//if (!$_FILES[$thumbnail1Field]['size'])
		//{
		//	return;	
		//}
		//move_uploaded_file($_FILES[$thumbnail1Field]['tmp_name'], $absGalleryPath . "/Thumbnails/" . $fileName . ".jpg");

		//Save file info.
		//$xmlFile = $descriptions->createElement("file");
		//$xmlFile->setAttribute("name", $fileName);
		//$xmlFile->setAttribute("width", $_POST ['Width_' . $i]);
		//$xmlFile->setAttribute("height", $_POST ['Height_' . $i]);
		//$xmlFile->setAttribute("title", $_POST ['Title_' . $i]);		
		//$xmlFile->setAttribute("description", $_POST ['Description_' . $i]);
		//$descriptions->documentElement->appendChild($xmlFile);
	}

	//$descriptions->save($absGalleryPath . "Descriptions.xml");
}

//This method verifies whether file with such name already exists 
//and if so, construct safe filename name (to avoid collision).	
function getSafeFileName($fileName)
{
	global $absGalleryPath;
	
	$newFileName = $fileName;
	$j = 1;
	while (file_exists($absGalleryPath . "/" . $newFileName))
	{
		$newFileName = $j . "_" . $fileName;
		$j = $j + 1;
	}
	return $newFileName;	
}

saveUploadedFiles();

// }

 mysql_free_result($rsPermit);

//}
?>