SXI.Selection = {};
if (window.getSelection && document.createRange) {
	SXI.Selection.save = function($peNode) {
		var doc = $peNode.ownerDocument, win = doc.defaultView;
		var $iSPos = $peNode.selectionStart, $iEPos = $peNode.selectionEnd;
		if (typeof $iSPos !== "number" && win.getSelection().rangeCount) {
			var $range = win.getSelection().getRangeAt(0);
			var $dummyRange = $range.cloneRange();
			$dummyRange.selectNodeContents($peNode);
			$dummyRange.setEnd($range.startContainer, $range.startOffset);
			$iSPos = $dummyRange.toString().length;
			$iEPos = $iSPos + $range.toString().length;
		}
		return {
			container: $peNode,
			start: $iSPos,
			end: $iEPos
		}
	};
	SXI.Selection.restore = function($poSelection) {
		var doc = $poSelection.container.ownerDocument, win = doc.defaultView;
		var $iCharIndex = 0, $range = doc.createRange();
		$range.setStart($poSelection.container, 0);
		$range.collapse(true);
		var $aNodeStack = [$poSelection.container], $node, $bFoundStart = false, $bStopFind = false;
		while (!$bStopFind && ($node = $aNodeStack.pop())) {
			if ($node.nodeType == 3) {
				var $iNextCharIndex = $iCharIndex + $node.length;
				if (!$bFoundStart && $poSelection.start >= $iCharIndex && $poSelection.start <= $iNextCharIndex) {
					$range.setStart($node, $poSelection.start - $iCharIndex);
					$bFoundStart = true;
				}
				if ($bFoundStart && $poSelection.end >= $iCharIndex && $poSelection.end <= $iNextCharIndex) {
					$range.setEnd($node, $poSelection.end - $iCharIndex);
					$bStopFind = true;
				}
				$iCharIndex = $iNextCharIndex;
			} else {
				var $i = $node.childNodes.length;
				while ($i--) {
					$aNodeStack.push($node.childNodes[$i]);
				}
			}
		}
		var $selection = win.getSelection();
		$selection.removeAllRanges();
		$selection.addRange($range);
	}
} else if (document.selection) {
	SXI.Selection.save = function($peNode) {
		var doc = $peNode.ownerDocument, win = doc.defaultView || doc.parentWindow;
		var $textRange = doc.selection.createRange();
		var $dummyTextRange = doc.body.createTextRange();
		$dummyTextRange.moveToElementText($peNode);
		$dummyTextRange.setEndPoint("EndToStart", $textRange);
		var $iSPos = $dummyTextRange.text.length;
		return {
			container: $peNode,
			start: $iSPos,
			end: $iSPos + $textRange.text.length
		}
	};
	SXI.Selection.restore = function($poSelection) {
		var doc = $poSelection.container.ownerDocument, win = doc.defaultView || doc.parentWindow;
		var $textRange = doc.body.createTextRange();
		$textRange.moveToElementText($poSelection.container);
		$textRange.collapse(true);
		$textRange.moveEnd("character", $poSelection.end);
		$textRange.moveStart("character", $poSelection.start);
		$textRange.select();
	};
}
SXI.Selection2 = {};
if (window.getSelection) {
    // IE 9 and non-IE
    SXI.Selection2.save = function(win) {
        var sel = win.getSelection(), ranges = [];
        if (sel.rangeCount) {
            for (var i = 0, len = sel.rangeCount; i < len; ++i) {
                ranges.push(sel.getRangeAt(i));
            }
        }
        return ranges;
    };

    SXI.Selection2.restore = function(win, savedSelection) {
        var sel = win.getSelection();
        sel.removeAllRanges();
        for (var i = 0, len = savedSelection.length; i < len; ++i) {
            sel.addRange(savedSelection[i]);
        }
    };
} else if (document.selection && document.selection.createRange) {
    // IE <= 8
    SXI.Selection2.save = function(win) {
        var sel = win.document.selection;
        return (sel.type != "None") ? sel.createRange() : null;
    };

    SXI.Selection2.restore = function(win, savedSelection) {
        if (savedSelection) {
            savedSelection.select();
        }
    };
}