NeatUpload/Progress.js

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/*
NeatUpload - an HttpModule and User Controls for uploading large files
Copyright (C) 2005  Dean Brettle

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

function NeatUploadGetMainWindow() 
{
    var mainWindow = window;
	try 
	{
	    while (!mainWindow.NeatUploadPB)
	    {
		    if (mainWindow.parent && mainWindow.parent != mainWindow)
			    mainWindow = mainWindow.parent;
		    else if (mainWindow.opener && mainWindow.opener != mainWindow)
			    mainWindow = mainWindow.opener;
		    else
			    break;
	    }
	} 
	catch (ex)
	{
	    mainWindow = window;
	}
	return mainWindow;
}

NeatUploadStopped = false;

function NeatUploadStop() 
{
	NeatUploadStopped = true;
	var mainWindow = NeatUploadGetMainWindow();
	if (!mainWindow)
		return;
	if (mainWindow.NeatUploadPB)
		mainWindow.NeatUploadPB.prototype.StopUpload();
	else if (mainWindow.stop)
		mainWindow.stop();
	else if (mainWindow.document && mainWindow.document.execCommand)
		mainWindow.document.execCommand('Stop');
}

function NeatUploadCancel() {
    NeatUploadStop();
}