/**	freeDOM (0.2.9)**	Mantenedores:*	Andre Metzen (andre[at]metzen.com.br)*	Leandro Vieira (leandro[at]w3invent.com.br)*	28/12/2006 - 10:37**	Quem contribuiu:*	Elcio Ferreira (elcio[at]visie.com.br)*	Diego Nunes (dnunes[at]gmail.com)*	Lucas Ferreira (contato@lucasferreira.com)**	Funcoes disponiveis:*	@name: $(strId[, strId2, strId3, ...]) *	@name: $tags(strTagName,objParentNode) *	@name: $before(objNew,objRefer)*	@name: $after(objNew,objRefer)*	@name: $replace(objNew,objOld)*	@name: $newTN(strConteudo) *	@name: $new(strTagName, strParams, strConteudo)*	@name: $append(objNode, objParentNode)*	@name: $remove(objNode)*	@name: getSrc(evt)*	@name: cEvt(evt)*	@name: JSON(t)*	@name: addClass(objTarget, strClass)*	@name: remEvent(o, evType, fn)*	@name: addEvent(objTarget, strEvtType, fnFunction, useCapture, arrParams)*	@name: getPosition(e)*	@name: removeClass(objTarget, strClass)*	@name: hasClass(objTarget, strClass)**//**	@name: $(strId[, strId2, strId3, ...]) *	@version: 1.0*	@author: Andre Metzen*	@param: strId => String, Array of String*	@return: Node Object, Array of Node Objects*	@description: Retorna o(s) elemento(s) cujo id e igual a "strId"*/function $(strId){	var i, arrReturn,arrStrId;	if(arguments.length > 1)	{		arrStrId = new Array();		for(i=0; i<arguments.length; i++)			arrStrId.push(arguments[i]);	}		if(strId instanceof Array)	{		arrStrId = strId;	}		if(arrStrId instanceof Array)	{		arrReturn = new Array();		for(i=0; i<arrStrId.length; i++)			arrReturn[i] = document.getElementById(arrStrId[i]);	}	else	{		arrReturn = document.getElementById(strId);	}		return arrReturn;}/**	@name: $tags(strTagName,objParentNode) *	@version: 1.0*	@author: Andre Metzen*	@param: strTagName => String*	@param: objParentNode => Node Object(optional)*	@return: Array of Node Objects*	@description: Retorna todas as tags que possuam nodeName igual a "strTagName" dentro do objeto "objParentNode". *				  Caso "objParentNode" nao seja definido, e usado como padrao "document"*/function $tags(strTagName,objParentNode){	if(typeof objParentNode == "undefined")	{		objParentNode = document;	}		return objParentNode.getElementsByTagName(strTagName);}/**	@name: $before(objNew,objRefer)*	@version: 1.0*	@author: Andre Metzen*	@param: objNew => Node Object*	@param: objRefer => Node Object*	@return: Node Object*	@description: Insere o objeto "objNew" logo acima na arvore de n� do objeto "objRefer"*/function $before(objNew,objRefer){ 	return objRefer.parentNode.insertBefore(objNew,objRefer);}/**	@name: $after(objNew,objRefer)*	@version: 1.0*	@author: Leandro Vieira*	@param: objNew => Node Object*	@param: objRefer => Node Object*	@return: Node Object*	@description: Insere o objeto "objNew" logo abaixo na arvore de n� do objeto "objRefer"*/function $after(objNew,objRefer){ 	return objRefer.parentNode.insertBefore(objNew,objRefer.nextSibling);}/**	@name: $replace(objNew,objOld)*	@version: 1.0*	@author: Andre Metzen*	@param: objNew => Node Object*	@param: objOld => Node Object*	@return: Node Object, false*	@description: Substitue o objeto "objOld" pelo objeto "objNew"*/function $replace(objNew,objOld){	if(objOld.parentNode)	{		return objOld.parentNode.replaceChild(objNew,objOld);	}	else	{		return false;	}}/**	@name: $newTN(strConteudo) *	@version: 1.0*	@author: Andre Metzen*	@param: strConteudo => String*	@return: Text Node Object, false*	@description: Cria e retorna um text node com o conteudo passado em "strConteudo"*/function $newTN(strConteudo){	if(typeof strConteudo == "string")	{		return document.createTextNode(strConteudo);	}	else	{		return false;	}}/**	@name: $new(strTagName, strParams, strConteudo)*	@version: 1.0*	@author: Diego Nunes, adaptado por Andre Metzen*	@param: strTagName => String*	@param: strParams => String, Array of strings; ex: "href=#" or ["href=#","target=_blank"]*	@param: strConteudo => String, Array of objects or strings*	@return: Node Object*	@description: Cria um novo elemento do tipo "strTagName". O parametro "strParams" sao as propriedades que serao aplicadas ao objeto.*				  "strParams" pode ser uma string, caso seja apenas uma propriedade, ou um vetor, para n propriedades.*				  O parametro "strConteudo" e o conteudo. Pode ser passado como um vetor ou diretamente. Aceita-se como*				  valor objetos ou string.*/function $new(strTagName, strParams, strContent){	var i, j, newElement, arrParameters;	var fixIEParams = ["name","enctype"];		if(typeof strContent == "undefined")	{		strContent = strParams;		strParams = null;	}		if(document.all)	{		strTagName = '<'+strTagName+' ';				if(strParams instanceof Array)			for(i=0; i<strParams.length && (arrParameters = strParams[i].split("=")); i++)				for(j=0; j<fixIEParams.length; j++)				{					if(arrParameters[0] == fixIEParams[j]) strTagName += arrParameters[0]+'="'+arrParameters[1]+'" ';				}		else			if(typeof strParams == "string" && ( arrParameters = strParams.split("=")) )				for(j=0; j<fixIEParams.length; j++) if(arrParameters[0] == fixIEParams[j]) strTagName += arrParameters[0]+'="'+arrParameters[1]+'" ';				strTagName += '>';	}		newElement=document.createElement(strTagName);		if(strParams instanceof Array)	{		for(i=0; i<strParams.length && (arrParameters = strParams[i].split("=")); i++)		{				newElement[arrParameters[0]] = arrParameters[1];		}	}	else	{		if(typeof strParams == "string" && ( arrParameters = strParams.split("=")) )		{			newElement[arrParameters[0]] = (arrParameters.length==2) ? arrParameters[1] : "";		}	}	if(strContent instanceof Array)	{		for(i=0; i<strContent.length; i++)		{			(typeof(strContent[i]) =="string") ? $append($newTN(strContent[i]), newElement) : $append(strContent[i], newElement);		}	}	else	{		$append(strContent, newElement);	}		return newElement;}/**	@name: $append(objNode, objParentNode)*	@version: 1.0*	@author: Andre Metzen*	@param: objNode => Node Object, String, Array of Node Objects or Strings*	@param: objParentNode => Node Object*	@return: Integer*	@description: Adiciona o "objNode" como ultimo no filho de "objParentNode". Se "objNode" for uma string*				  e criada um Text Node e adicionado como ultimo no. Caso "objParentNode" nao seja definido e tomado*				  como padrao "document.body"*/function $append(objNode, objParentNode){	var i;	if(typeof(objParentNode) == "undefined")	{		objParentNode = document.body;	}		if(objNode=="" || objNode == null)	{		return true;	}	if(objNode instanceof Array)	{		for(i=0; i<objNode.length; i++)		{			$append(objNode[i], objParentNode);		}	}	else	{		if(typeof(objNode) == "string")		{			objParentNode.appendChild($newTN(objNode))		}		else		{			objParentNode.appendChild(objNode);		}	}		return objParentNode.childNodes.length;}/**	@name: $remove(objNode)*	@version: 1.0*	@author: Andre Metzen*	@param: objNode => Node Object*	@return: void*	@description: Remove o elemento "objNode"*/function $remove(objNode){	if(objNode && objNode.parentNode)	{			objNode.parentNode.removeChild(objNode);	}}/**	@name: getStc(evt)*	@version: 1.0*	@author: Elcio Ferreira*	@param: evt => Event Object*	@return: void*	@description: Retorna o objeto no qual o evento foi realizado*/function getSrc(evt){	if(typeof(evt) == "undefined")	{		evt=window.event;	}		var objSrc=evt.target?evt.target:evt.srcElement;		if(objSrc.nodeType==3)	{		objSrc=objSrc.parentNode;	}	return objSrc;}/**	@name: cEvt(evt)*	@version: 1.0*	@author: Diego Nunes*	@param: evt => Event Object*	@return: false*	@description: Cancela o efeito do evento "evt"*/function cEvt(evt){	try 	{ 		evt.preventDefault();	}	catch(e)	{		event.returnValue=false;	} 		return false;}/**	@name: JSON(t)*	@version: 1.0*	@author: Elcio Ferreira*	@param: t => String*	@return: mixed*	@description: Interpreta a string no formato JSON*/function JSON(t){	try	{		return eval("["+t+"]")[0];	}	catch(e)	{		throw("Eval Error on code:\n"+t);	}}/**	@name: addClass(objTarget, strClass)*	@version: 1.0*	@author: Diego Nunes*	@param: objTarget => Node Object*	@param: strClass => String*	@return: String*	@description: Adiciona a class strClass ao objeto objTarget caso ele não possua essa classe*/function addClass(objTarget, strClass){	if(hasClass(objTarget, strClass))	{		return false;	}  		return objTarget.className = ((objTarget.className) ? objTarget.className : '') +' '+ strClass;}/**	@name: hasClass(objTarget, strClass)*	@version: 1.0*	@author: Diego Nunes*	@param: objTarget => Node Object*	@param: strClass => String*	@return: Boolean*	@description: Verifica se o objTarget já possui a classe strClass*/function hasClass(objTarget, strClass){	var n, i, tToks=objTarget.className.split(' ');	for (n=tToks.length; n--; )	{		if(tToks[n]==strClass)		{			return true;		}	}	return false;}/**	@name: removeClass(objTarget, strClass)*	@version: 1.0*	@author: Diego Nunes*	@param: objTarget => Node Object*	@param: strClass => String*	@return: String*	@description: Remove a classe strClass de objTarget, se ele possuir*/function removeClass(objTarget, strClass){	if(!objTarget.className)	{		return '';	}		var n, i, tRs=[], tToks=objTarget.className.split(' ');  	for(n=tToks.length, i=0; i<n; i++)	{		if(tToks[i]!=strClass)		{			tRs[tRs.length]=tToks[i];		}	}		return objTarget.className = (tRs.length ? tRs.join(' ') : '');}/**	@name: getPosition(e)*	@version: 1.0*	@author: Unknown*	@param: e => Event Object*	@return: Object*	@description: Retorna um objeto possuido as propriedades x e y que representa as coordenadas do mouse no evento e*/function getPosition(e){	e = e || window.event;	var cursor = {x:0, y:0};	if (e.pageX || e.pageY)	{		cursor.x = e.pageX;		cursor.y = e.pageY;	} 	else	{		cursor.x = e.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) - document.documentElement.clientLeft;		cursor.y = e.clientY + (document.documentElement.scrollTop ||  document.body.scrollTop) -  document.documentElement.clientTop;	}	return cursor;}/**	@name: addEvent(objTarget, strEvtType, fnFunction, useCapture, arrParams)*	@version: 1.0*	@author: Stuart Langridge (adaptado por Andre Metzen e Leandro Vieira)*	@param: objTarget => Node Object*	@param: strEvtType => String*	@param: fnFunction => Function Object*	@param: useCapture => Boolean*	@param: arrParams => Array*	@return: Boolean*	@description:*/function addEvent(objTarget, strEvtType, fnFunction, useCapture, arrParams){	if(!objTarget) return false;		var fnNewFunction;	if(typeof arrParams != "undefined")	{         /** Se for necessario passar varios argumentos em arrParams  */		if ( typeof(arrParams) != 'string' )		{			var arrParamsToFunction = []; // Iniciamos um array que contera as mensagens de erro			for ( var i = 0; i < arrParams.length; i++ )			{				arrParamsToFunction.push(arrParams[i]);			}						fnNewFunction = function() { fnFunction.apply(objTarget,[arrParamsToFunction]); };		}		else		{			fnNewFunction = function() { fnFunction.apply(objTarget, [arrParams]); };		}	}	else	{		fnNewFunction = fnFunction;	}	if (objTarget.addEventListener)	{		objTarget.addEventListener(strEvtType, fnNewFunction, useCapture);		return true;	}	else	{		if (objTarget.attachEvent)		{			return objTarget.attachEvent('on' + strEvtType, fnNewFunction);		}		else		{			objTarget['on' + strEvtType] = fnNewFunction;		}	}};/**	@name: remEvent(o, evType, fn)*	@version: 1.1*	@author: Andre Metzen*	@param: objTarget => Node Object*	@param: strEvtType => String*	@param: fnFunction => Function Object*	@return: Boolean*	@description:*/function remEvent(objTarget, strEvtType, fnFunction){	if (document.detachEvent)	{		objTarget.detachEvent('on'+ strEvtType, fnFunction, true);		return true;	}		if (objTarget.removeEventListener)	{		objTarget.removeEventListener(strEvtType, fnFunction, true);		return true;	}}