function popupWindow(destURL, windowName, width, height, left, top, options)
{
	var window_options = '';

	// Set the window distance from the top of screen
	if( top == null )
	{
		var winHeight = parseInt(height);
		var posY = (screen.height - winHeight) / 2;

		window_options = window_options + 'top=' + posY +  ',';
	}
	else
	{
		window_options = window_options + 'top=' + parseInt(top) + ',';
	}

	// Set the window distance from the left of screen
	if( left == null )
	{
		var winWidth = parseInt(width);
		var posX = (screen.width - winWidth) / 2;

		window_options = window_options + 'left=' + posX + ',';
	}
	else
	{
		window_options = window_options + 'left=' + parseInt(left) + ',';
	}

	if( options.length > 0 )
	{
		window_options = options;
	}
	else
	{
		window_options = window_options + 'resizable=no,scrollbars=no,toolbar=no,menubar=no,location=no,status=no';
	}

	window.open(destURL,windowName,'width=' + width + ',height=' + height + ',' + window_options);
}