Resuming upload after a connection error

<form type="multipart/form-data" method="post">
<script type="text/javascript">
//<![CDATA[
//Create JavaScript object that will embed Image Uploader to the page.
var iu = new ImageUploaderWriter("ImageUploader1", 810, 475);
//For ActiveX control full path to CAB file (including file name) should be specified.
iu.activeXControlCodeBase = "/uploads/82/85/8285fecc01bce007ada9d6c5101a761f/ImageUploader6.cab";
iu.activeXControlVersion = "6,5,6,0";

//For Java applet only path to directory with JAR files should be specified (without file name).
iu.javaAppletJarFileName = "/uploads/19/85/1985296142c5459186e8ef0cab5035fd/ImageUploader6.jar";
iu.javaAppletCached = true;
iu.javaAppletVersion = "6.5.6.0";
iu.addParam("PaneLayout", "ThreePanes");
iu.addParam("TreePaneWidth", "150");
iu.addParam("FolderPaneHeight", "300");
iu.addParam("TreePaneBorderStyle", "FixedSingle");
iu.addParam("FolderPaneBorderStyle", "FixedSingle");
iu.addParam("UploadPaneBorderStyle", "FixedSingle");
iu.addParam("BackgroundColor", "#D4D4D4");
iu.addParam("UploadPaneBackgroundColor", "#F0FFFF");
iu.addParam("FolderView", "Thumbnails");
iu.addParam("UploadView", "AdvancedDetails");

iu.addParam("FilesPerOnePackageCount", "1");
iu.addParam("MaxConnectionCount", "3");
iu.addParam("AutoRecoverMaxTriesCount", "6");
iu.addParam("AutoRecoverTimeOut", "10000");

iu.addParam("LargePreviewWidth", "640");
iu.addParam("LargePreviewHeight", "480");
iu.addParam("AllowRotate", "false");
iu.addParam("AllowMultipleRotate", "false");
iu.addParam("AllowFolderUpload", "false");
iu.addParam("IncludeSubfolders", "true");
iu.addParam("ShowDescriptions", "false");
iu.addParam("ShowDebugWindow", "true");
iu.addParam("ShowSubfolders", "true");

iu.addParam("FileMask", "*.jpg;*.jpeg;*.jpe;*.tif;*.tiff");
//Configure License Keys
iu.addParam("LicenseKey", "xxx");

//Configure thumbnail settings.
iu.addParam("UploadThumbnail1FitMode", "Fit");
iu.addParam("UploadThumbnail1Width", "600");
iu.addParam("UploadThumbnail1Height", "600");
iu.addParam("UploadThumbnail1JpegQuality", "100");

iu.addParam("UploadThumbnail2FitMode", "Fit");
iu.addParam("UploadThumbnail2Width", "120");
iu.addParam("UploadThumbnail2Height", "94");
iu.addParam("UploadThumbnail2JpegQuality", "100");

//Max file upload allowed
iu.addParam("MaxFileCount", "-1");

//Configure URL files are uploaded to.
iu.addParam("Action", "/app/uploader/upload_target");

//Configure URL where to redirect after upload.
iu.addParam("RedirectUrl", "");
//addtional info
iu.addParam("AdditionalFormName", "orderInfo");

//client side events
iu.addEventListener("AfterUpload", "ImageUploader1_AfterUpload");

//Create installation progress.
var ip = new InstallationProgressExtender(iu);
ip.setProgressImageUrl("/uploads/82/f6/82f6b6a6f7867fe916ded90f8fca2a49/installationprogress.gif");
ip.setProgressCssClass("ScreenStyle");
ip.setInstructionsCssClass("ScreenStyle");

//Tell Image Uploader writer object to generate all necessary HTML code to embed
//Image Uploader to the page.
iu.writeHtml();
//]]>
</script>
</form>

sub save_uploaded_files {
	my ($session, $id_ordine, $sigla_paese, $process) = @_;  

	my $dirOriginalImages = getProjectPath($session, $id_ordine, $sigla_paese);
	
	my $dirThumb1 = $dirOriginalImages."/thumbnails";
	my $dirThumb2 = $dirThumb1."/small";
	
	make_path($dirThumb1,$dirThumb2);	
	
	#Physical path to the gallery folder
	$absGalleryPath = $dirOriginalImages;
	$absThumbnailsPath1 = $dirThumb1;
	$absThumbnailsPath2 = $dirThumb2;
	
	#Get total number of uploaded files (all files are uploaded in a single package).
	my $fileCount = param("FileCount");
	

	my @filesFunded = <$dirOriginalImages/*.*>;
	#contatore per gestire file aggiunti
	my $count = @filesFunded;
	
	#Iterate through uploaded data and save the original file
	for (my $i = 1; $i <= $fileCount; $i++){
		#Get source file and save it to disk.
		my $sourceFilePath = param("SourceFile_" . $i);
		my $fileName = "";
		
	
		$fileName = get_safe_file_name(sprintf("%05s",($i+$count)).'_'.$sourceFilePath);


		#Copy file to gallery folder
		open(OUT, ">" . File::Spec->join($absGalleryPath, $fileName));
		binmode(OUT);  
		while (<$sourceFilePath>) {   
			print OUT $_;   
		}  
		close(OUT);
		       
		#Get first thumbnail (the single thumbnail in this code sample) and save it to disk.
		my $thumbnail1Path = param("Thumbnail1_" . $i);
		#Copy file to thumbnails folder
		open(OUT, ">" . File::Spec->join($absThumbnailsPath1, $fileName . ".jpg")); 
		binmode(OUT);  
		while (<$thumbnail1Path>) {   
			print OUT $_;   
		}  
		close(OUT);	
		
		#Get second thumbnail (the single thumbnail in this code sample) and save it to disk.
		my $thumbnail2Path = param("Thumbnail2_" . $i);
		#Copy file to thumbnails folder
		open(OUT, ">" . File::Spec->join($absThumbnailsPath2, $fileName . ".jpg")); 
		binmode(OUT);  
		while (<$thumbnail2Path>) {   
			print OUT $_;   
		}  
		close(OUT);	
		
	}
	
	return undef;
	   
}