/*
 * Ext Core Library 3.0
 * http://extjs.com/
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * 
 * The MIT License
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * 
 */


Ext.Element.addMethods(function(){var PARENTNODE='parentNode',NEXTSIBLING='nextSibling',PREVIOUSSIBLING='previousSibling',DQ=Ext.DomQuery,GET=Ext.get;return{findParent:function(simpleSelector,maxDepth,returnEl){var p=this.dom,b=document.body,depth=0,stopEl;if(Ext.isGecko&&Object.prototype.toString.call(p)=='[object XULElement]'){return null;}
maxDepth=maxDepth||50;if(isNaN(maxDepth)){stopEl=Ext.getDom(maxDepth);maxDepth=10;}
while(p&&p.nodeType==1&&depth<maxDepth&&p!=b&&p!=stopEl){if(DQ.is(p,simpleSelector)){return returnEl?GET(p):p;}
depth++;p=p.parentNode;}
return null;},findParentNode:function(simpleSelector,maxDepth,returnEl){var p=Ext.fly(this.dom.parentNode,'_internal');return p?p.findParent(simpleSelector,maxDepth,returnEl):null;},up:function(simpleSelector,maxDepth){return this.findParentNode(simpleSelector,maxDepth,true);},select:function(selector,unique){return Ext.Element.select(selector,unique,this.dom);},query:function(selector,unique){return DQ.select(selector,this.dom);},child:function(selector,returnDom){var n=DQ.selectNode(selector,this.dom);return returnDom?n:GET(n);},down:function(selector,returnDom){var n=DQ.selectNode(" > "+selector,this.dom);return returnDom?n:GET(n);},parent:function(selector,returnDom){return this.matchNode(PARENTNODE,PARENTNODE,selector,returnDom);},next:function(selector,returnDom){return this.matchNode(NEXTSIBLING,NEXTSIBLING,selector,returnDom);},prev:function(selector,returnDom){return this.matchNode(PREVIOUSSIBLING,PREVIOUSSIBLING,selector,returnDom);},first:function(selector,returnDom){return this.matchNode(NEXTSIBLING,'firstChild',selector,returnDom);},last:function(selector,returnDom){return this.matchNode(PREVIOUSSIBLING,'lastChild',selector,returnDom);},matchNode:function(dir,start,selector,returnDom){var n=this.dom[start];while(n){if(n.nodeType==1&&(!selector||DQ.is(n,selector))){return!returnDom?GET(n):n;}
n=n[dir];}
return null;}}}());