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// {{{ global constants

/**

 * Global constants (DO NOT EDIT)

 */

// browsers

var domLib_userAgent = navigator.userAgent.toLowerCase();

var domLib_isOpera = domLib_userAgent.indexOf('opera 7') != -1 ? 1 : 0;

var domLib_isKonq = domLib_userAgent.indexOf('konq') != -1 ? 1 : 0;

var domLib_isIE = !domLib_isKonq && !domLib_isOpera && (domLib_userAgent.indexOf('msie 5') != -1 || domLib_userAgent.indexOf('msie 6') != -1);

var domLib_isIE5up = domLib_isIE;

var domLib_isIE50 = domLib_isIE && domLib_userAgent.indexOf('msie 5.0') != -1;

var domLib_isIE55 = domLib_isIE && domLib_userAgent.indexOf('msie 5.5') != -1;

var domLib_isIE5 = domLib_isIE50 || domLib_isIE55;

var domLib_isIE55up = domLib_isIE5up && !domLib_isIE50;

var domLib_isIE6up = domLib_isIE55up && !domLib_isIE55;

var domLib_isGecko = domLib_userAgent.indexOf('gecko') != -1 ? 1 : 0;

// abilities

var domLib_useLibrary = domLib_isOpera || domLib_isKonq || domLib_isIE5up || domLib_isGecko ? 1 : 0;

var domLib_canTimeout = !(domLib_isKonq || domLib_isIE50);

var domLib_canFade = domLib_isGecko || domLib_isIE55up;

// event variables

var domLib_eventTarget = domLib_isIE ? 'srcElement' : 'currentTarget';

var domLib_eventButton = domLib_isIE ? 'button' : 'which';

var domLib_eventTo = domLib_isIE ? 'toElement' : 'relatedTarget';

var domLib_stylePointer = domLib_isIE ? 'hand' : 'pointer';

// :FIX: bug in Opera that it can't set maxWidth to 'none'

var domLib_styleNoMaxWidth = domLib_isOpera ? '10000px' : 'none';

var domLib_hidePosition = '-1000px';

var domLib_scrollbarWidth = 14;

var domLib_autoId = 1;

var domLib_zIndex = 100;

// detection

var domLib_selectElements;

var domLib_timeoutStateId = 0;

var domLib_timeoutStates = new Hash();

// }}}

// {{{ Object.prototype.clone

Object.prototype.clone = function()

{

	var copy = {};

	for (var i in this)

	{

		var value = this[i];

		try

		{

			if (value != null && typeof(value) == 'object' && value != window && !value.nodeType)

			{

				// for IE5 which doesn't inherit prototype

				value.clone = Object.clone;

				copy[i] = value.clone();

			}

			else

			{

				copy[i] = value;

			}

		}

		catch(e)

		{

			copy[i] = value;

		}

	}

	return copy;

}

// }}}

// {{{ class Hash()

function Hash()

{

	this.length = 0;

	this.elementData = [];

	for (var i = 0; i < arguments.length; i += 2)

	{

		if (typeof(arguments[i + 1]) != 'undefined')

		{

			this.elementData[arguments[i]] = arguments[i + 1];

			this.length++;

		}

	}

	this.get = function(in_key)

	{

		return this.elementData[in_key];

	}

	this.set = function(in_key, in_value)

	{

		if (typeof(in_value) != 'undefined')

		{

			if (typeof(this.elementData[in_key]) == 'undefined')

			{

				this.length++;

			}

			return this.elementData[in_key] = in_value;

		}

		return false;

	}

	this.remove = function(in_key)

	{

		var tmp_value;

		if (typeof(this.elementData[in_key]) != 'undefined')

		{

			this.length--;

			tmp_value = this.elementData[in_key];

			delete this.elementData[in_key];

		}

		return tmp_value;

	}

	this.size = function()

	{

		return this.length;

	}

	this.has = function(in_key)

	{

		return typeof(this.elementData[in_key]) != 'undefined';

	}

}

// }}}

// {{{ domLib_isDescendantOf()

function domLib_isDescendantOf(in_object, in_ancestor)

{

	if (in_object == in_ancestor)

	{

		return true;

	}

	while (in_object != document.documentElement)

	{

		try

		{

			if ((tmp_object = in_object.offsetParent) && tmp_object == in_ancestor)

			{

				return true;

			}

			else if ((tmp_object = in_object.parentNode) == in_ancestor)

			{

				return true;

			}

			else

			{

				in_object = tmp_object;

			}

		}

		// in case we get some wierd error, just assume we haven't gone out yet

		catch(e)

		{

			return true;

		}

	}

	return false;

}

// }}}

// {{{ domLib_detectCollisions()

// :WARNING: hideList is being used as an object property and is not a string

function domLib_detectCollisions(in_object, in_recover)

{

	// no need to do anything for opera

	if (domLib_isOpera)

	{

		return;

	}

	if (typeof(domLib_selectElements) == 'undefined')

	{

		domLib_selectElements = document.getElementsByTagName('select');

	}

	// if we don't have a tip, then unhide selects

	if (in_recover)

	{

		for (var cnt = 0; cnt < domLib_selectElements.length; cnt++)

		{

			var thisSelect = domLib_selectElements[cnt];

			if (!thisSelect.hideList)

			{

				thisSelect.hideList = new Hash();

			}

			// if this is mozilla and it is a regular select or it is multiple and the

			// size is not set, then we don't need to unhide

			if (domLib_isGecko && (!thisSelect.multiple || thisSelect.size < 0))

			{

				continue;

			}

			thisSelect.hideList.remove(in_object.id);

			if (!thisSelect.hideList.length)

			{

				domLib_selectElements[cnt].style.visibility = 'visible';

			}

		}

		return;

	}

	// okay, we have a tip, so hunt and destroy

	var objectOffsets = domLib_getOffsets(in_object);

	for (var cnt = 0; cnt < domLib_selectElements.length; cnt++)

	{

		var thisSelect = domLib_selectElements[cnt];

		// if this is mozilla and not a multiple-select or the multiple select size

		// is not defined, then continue since mozilla does not have an issue

		if (domLib_isGecko && (!thisSelect.multiple || thisSelect.size < 0))

		{

			continue;

		}

		// if the select is in the tip, then skip it

		// :WARNING: is this too costly?

		if (domLib_isDescendantOf(thisSelect, in_object))

		{

			continue;

		}

		if (!thisSelect.hideList)

		{

			thisSelect.hideList = new Hash();

		}

		var selectOffsets = domLib_getOffsets(thisSelect); 

		// for mozilla we only have to worry about the scrollbar itself

		if (domLib_isGecko)

		{

			selectOffsets.set('left', selectOffsets.get('left') + thisSelect.offsetWidth - domLib_scrollbarWidth);

			selectOffsets.set('leftCenter', selectOffsets.get('left') + domLib_scrollbarWidth/2);

			selectOffsets.set('radius', Math.max(thisSelect.offsetHeight, domLib_scrollbarWidth/2));

		}

		var center2centerDistance = Math.sqrt(Math.pow(selectOffsets.get('leftCenter') - objectOffsets.get('leftCenter'), 2) + Math.pow(selectOffsets.get('topCenter') - objectOffsets.get('topCenter'), 2));

		var radiusSum = selectOffsets.get('radius') + objectOffsets.get('radius');

		// the encompassing circles are overlapping, get in for a closer look

		if (center2centerDistance < radiusSum)

		{

			// tip is left of select

			if ((objectOffsets.get('leftCenter') <= selectOffsets.get('leftCenter') && objectOffsets.get('right') < selectOffsets.get('left')) ||

			// tip is right of select

				(objectOffsets.get('leftCenter') > selectOffsets.get('leftCenter') && objectOffsets.get('left') > selectOffsets.get('right')) ||

			// tip is above select

				(objectOffsets.get('topCenter') <= selectOffsets.get('topCenter') && objectOffsets.get('bottom') < selectOffsets.get('top')) ||

			// tip is below select

				(objectOffsets.get('topCenter') > selectOffsets.get('topCenter') && objectOffsets.get('top') > selectOffsets.get('bottom')))

			{

				thisSelect.hideList.remove(in_object.id);

				if (!thisSelect.hideList.length)

				{

					thisSelect.style.visibility = 'visible';

				}

			}

			else

			{

				thisSelect.hideList.set(in_object.id, true);

				thisSelect.style.visibility = 'hidden';

			}

		}

	}

}

// }}}

// {{{ domLib_getOffsets()

function domLib_getOffsets(in_object)

{

	var originalObject = in_object;

	var originalWidth = in_object.offsetWidth;

	var originalHeight = in_object.offsetHeight;

	var offsetLeft = 0;

	var offsetTop = 0;

	while (in_object)

	{

		offsetLeft += in_object.offsetLeft;

		offsetTop += in_object.offsetTop;

		in_object = in_object.offsetParent;

	}

	return new Hash(

		'left',			offsetLeft,

		'top',			offsetTop,

		'right',		offsetLeft + originalWidth,

		'bottom',		offsetTop + originalHeight,

		'leftCenter',	offsetLeft + originalWidth/2,

		'topCenter',	offsetTop + originalHeight/2,

		'radius',		Math.max(originalWidth, originalHeight) 

	);

}

// }}}

// {{{ domLib_setTimeout()

function domLib_setTimeout(in_function, in_timeout, in_args)

{

	if (typeof(in_args) == 'undefined')

	{

		in_args = [];

	}

	if (in_timeout == 0)

	{

		in_function(in_args);

		return 0;

	}

	// must make a copy of the arguments so that we release the reference

	if (typeof(in_args.clone) != 'function')

	{

		in_args.clone = Object.clone;

	}

	var args = in_args.clone();

	if (domLib_canTimeout)

	{

		return setTimeout(function() { in_function(args); }, in_timeout);

	}

	else

	{

		var id = domLib_timeoutStateId++;

		var data = new Hash();

		data.set('function', in_function);

		data.set('args', args);

		domLib_timeoutStates.set(id, data);

		data.set('timeoutId', setTimeout('domLib_timeoutStates.get(' + id + ').get(\'function\')(domLib_timeoutStates.get(' + id + ').get(\'args\')); domLib_timeoutStates.remove(' + id + ');', in_timeout));

		return id;

	}

}

// }}}

// {{{ domLib_clearTimeout()

function domLib_clearTimeout(in_id)

{

	if (domLib_canTimeout)

	{

		clearTimeout(in_id);

	}

	else

	{

		if (domLib_timeoutStates.has(in_id))

		{

			clearTimeout(domLib_timeoutStates.get(in_id).get('timeoutId'))

			domLib_timeoutStates.remove(in_id);

		}

	}

}

// }}}

// {{{ domLib_getEventPosition()

function domLib_getEventPosition(in_eventObj)

{

	var eventPosition = new Hash();

	if (domLib_isKonq)

	{

		eventPosition.set('x', in_eventObj.x);

		eventPosition.set('y', in_eventObj.y);

	}

	else if (domLib_isIE)

	{

		if (document.documentElement.clientHeight)

		{

			eventPosition.set('x', in_eventObj.clientX + document.documentElement.scrollLeft);

			eventPosition.set('y', in_eventObj.clientY + document.documentElement.scrollTop);

		}

		// :WARNING: consider case where document.body doesn't yet exist for IE

		else

		{

			eventPosition.set('x', in_eventObj.clientX + document.body.scrollLeft);

			eventPosition.set('y', in_eventObj.clientY + document.body.scrollTop);

		}

	}

	else

	{

		eventPosition.set('x', in_eventObj.pageX);

		eventPosition.set('y', in_eventObj.pageY);

	}

	return eventPosition;

}

// }}}

// {{{ makeTrue()

function makeTrue()

{

	return true;

}

// }}}

// {{{ makeFalse()

function makeFalse()

{

	return false;

}

// }}}