/*
Copyright (c) 2007, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
dom-min.js version: 2.3.1
*/
(function(){var B=YAHOO.util,K,I,H=0,J={},F={};var C=YAHOO.env.ua.opera,L=YAHOO.env.ua.webkit,A=YAHOO.env.ua.gecko,G=YAHOO.env.ua.ie;var E={HYPHEN:/(-[a-z])/i,ROOT_TAG:/^body|html$/i};var M=function(O){if(!E.HYPHEN.test(O)){return O;}if(J[O]){return J[O];}var P=O;while(E.HYPHEN.exec(P)){P=P.replace(RegExp.$1,RegExp.$1.substr(1).toUpperCase());}J[O]=P;return P;};var N=function(P){var O=F[P];if(!O){O=new RegExp("(?:^|\\s+)"+P+"(?:\\s+|$)");F[P]=O;}return O;};if(document.defaultView&&document.defaultView.getComputedStyle){K=function(O,R){var Q=null;if(R=="float"){R="cssFloat";}var P=document.defaultView.getComputedStyle(O,"");if(P){Q=P[M(R)];}return O.style[R]||Q;};}else{if(document.documentElement.currentStyle&&G){K=function(O,Q){switch(M(Q)){case"opacity":var S=100;try{S=O.filters["DXImageTransform.Microsoft.Alpha"].opacity;}catch(R){try{S=O.filters("alpha").opacity;}catch(R){}}return S/100;case"float":Q="styleFloat";default:var P=O.currentStyle?O.currentStyle[Q]:null;return(O.style[Q]||P);}};}else{K=function(O,P){return O.style[P];};}}if(G){I=function(O,P,Q){switch(P){case"opacity":if(YAHOO.lang.isString(O.style.filter)){O.style.filter="alpha(opacity="+Q*100+")";if(!O.currentStyle||!O.currentStyle.hasLayout){O.style.zoom=1;}}break;case"float":P="styleFloat";default:O.style[P]=Q;}};}else{I=function(O,P,Q){if(P=="float"){P="cssFloat";}O.style[P]=Q;};}var D=function(O,P){return O&&O.nodeType==1&&(!P||P(O));};YAHOO.util.Dom={get:function(Q){if(Q&&(Q.tagName||Q.item)){return Q;}if(YAHOO.lang.isString(Q)||!Q){return document.getElementById(Q);}if(Q.length!==undefined){var R=[];for(var P=0,O=Q.length;P<O;++P){R[R.length]=B.Dom.get(Q[P]);}return R;}return Q;},getStyle:function(O,Q){Q=M(Q);var P=function(R){return K(R,Q);};return B.Dom.batch(O,P,B.Dom,true);},setStyle:function(O,Q,R){Q=M(Q);var P=function(S){I(S,Q,R);};B.Dom.batch(O,P,B.Dom,true);},getXY:function(O){var P=function(R){if((R.parentNode===null||R.offsetParent===null||this.getStyle(R,"display")=="none")&&R!=document.body){return false;}var Q=null;var V=[];var S;var T=R.ownerDocument;if(R.getBoundingClientRect){S=R.getBoundingClientRect();return[S.left+B.Dom.getDocumentScrollLeft(R.ownerDocument),S.top+B.Dom.getDocumentScrollTop(R.ownerDocument)];}else{V=[R.offsetLeft,R.offsetTop];Q=R.offsetParent;var U=this.getStyle(R,"position")=="absolute";if(Q!=R){while(Q){V[0]+=Q.offsetLeft;V[1]+=Q.offsetTop;if(L&&!U&&this.getStyle(Q,"position")=="absolute"){U=true;}Q=Q.offsetParent;}}if(L&&U){V[0]-=R.ownerDocument.body.offsetLeft;V[1]-=R.ownerDocument.body.offsetTop;}}Q=R.parentNode;while(Q.tagName&&!E.ROOT_TAG.test(Q.tagName)){if(B.Dom.getStyle(Q,"display").search(/^inline|table-row.*$/i)){V[0]-=Q.scrollLeft;V[1]-=Q.scrollTop;}Q=Q.parentNode;}return V;};return B.Dom.batch(O,P,B.Dom,true);},getX:function(O){var P=function(Q){return B.Dom.getXY(Q)[0];};return B.Dom.batch(O,P,B.Dom,true);},getY:function(O){var P=function(Q){return B.Dom.getXY(Q)[1];};return B.Dom.batch(O,P,B.Dom,true);},setXY:function(O,R,Q){var P=function(U){var T=this.getStyle(U,"position");if(T=="static"){this.setStyle(U,"position","relative");T="relative";}var W=this.getXY(U);if(W===false){return false;}var V=[parseInt(this.getStyle(U,"left"),10),parseInt(this.getStyle(U,"top"),10)];if(isNaN(V[0])){V[0]=(T=="relative")?0:U.offsetLeft;}if(isNaN(V[1])){V[1]=(T=="relative")?0:U.offsetTop;}if(R[0]!==null){U.style.left=R[0]-W[0]+V[0]+"px";}if(R[1]!==null){U.style.top=R[1]-W[1]+V[1]+"px";}if(!Q){var S=this.getXY(U);if((R[0]!==null&&S[0]!=R[0])||(R[1]!==null&&S[1]!=R[1])){this.setXY(U,R,true);}}};B.Dom.batch(O,P,B.Dom,true);},setX:function(P,O){B.Dom.setXY(P,[O,null]);},setY:function(O,P){B.Dom.setXY(O,[null,P]);},getRegion:function(O){var P=function(Q){if((Q.parentNode===null||Q.offsetParent===null||this.getStyle(Q,"display")=="none")&&Q!=document.body){return false;}var R=B.Region.getRegion(Q);return R;};return B.Dom.batch(O,P,B.Dom,true);},getClientWidth:function(){return B.Dom.getViewportWidth();},getClientHeight:function(){return B.Dom.getViewportHeight();},getElementsByClassName:function(S,W,T,U){W=W||"*";T=(T)?B.Dom.get(T):null||document;if(!T){return[];}var P=[],O=T.getElementsByTagName(W),V=N(S);for(var Q=0,R=O.length;Q<R;++Q){if(V.test(O[Q].className)){P[P.length]=O[Q];if(U){U.call(O[Q],O[Q]);}}}return P;},hasClass:function(Q,P){var O=N(P);var R=function(S){return O.test(S.className);};return B.Dom.batch(Q,R,B.Dom,true);},addClass:function(P,O){var Q=function(R){if(this.hasClass(R,O)){return false;}R.className=YAHOO.lang.trim([R.className,O].join(" "));return true;};return B.Dom.batch(P,Q,B.Dom,true);},removeClass:function(Q,P){var O=N(P);var R=function(S){if(!this.hasClass(S,P)){return false;}var T=S.className;S.className=T.replace(O," ");if(this.hasClass(S,P)){this.removeClass(S,P);}S.className=YAHOO.lang.trim(S.className);return true;};return B.Dom.batch(Q,R,B.Dom,true);},replaceClass:function(R,P,O){if(!O||P===O){return false;}var Q=N(P);var S=function(T){if(!this.hasClass(T,P)){this.addClass(T,O);return true;}T.className=T.className.replace(Q," "+O+" ");if(this.hasClass(T,P)){this.replaceClass(T,P,O);}T.className=YAHOO.lang.trim(T.className);return true;};return B.Dom.batch(R,S,B.Dom,true);},generateId:function(O,Q){Q=Q||"yui-gen";var P=function(R){if(R&&R.id){return R.id;}var S=Q+H++;if(R){R.id=S;}return S;};return B.Dom.batch(O,P,B.Dom,true)||P.apply(B.Dom,arguments);},isAncestor:function(P,Q){P=B.Dom.get(P);if(!P||!Q){return false;}var O=function(R){if(P.contains&&R.nodeType&&!L){return P.contains(R);}else{if(P.compareDocumentPosition&&R.nodeType){return !!(P.compareDocumentPosition(R)&16);}else{if(R.nodeType){return !!this.getAncestorBy(R,function(S){return S==P;});}}}return false;};return B.Dom.batch(Q,O,B.Dom,true);},inDocument:function(O){var P=function(Q){if(L){while(Q=Q.parentNode){if(Q==document.documentElement){return true;}}return false;}return this.isAncestor(document.documentElement,Q);};return B.Dom.batch(O,P,B.Dom,true);},getElementsBy:function(V,P,Q,S){P=P||"*";
Q=(Q)?B.Dom.get(Q):null||document;if(!Q){return[];}var R=[],U=Q.getElementsByTagName(P);for(var T=0,O=U.length;T<O;++T){if(V(U[T])){R[R.length]=U[T];if(S){S(U[T]);}}}return R;},batch:function(S,V,U,Q){S=(S&&(S.tagName||S.item))?S:B.Dom.get(S);if(!S||!V){return false;}var R=(Q)?U:window;if(S.tagName||S.length===undefined){return V.call(R,S,U);}var T=[];for(var P=0,O=S.length;P<O;++P){T[T.length]=V.call(R,S[P],U);}return T;},getDocumentHeight:function(){var P=(document.compatMode!="CSS1Compat")?document.body.scrollHeight:document.documentElement.scrollHeight;var O=Math.max(P,B.Dom.getViewportHeight());return O;},getDocumentWidth:function(){var P=(document.compatMode!="CSS1Compat")?document.body.scrollWidth:document.documentElement.scrollWidth;var O=Math.max(P,B.Dom.getViewportWidth());return O;},getViewportHeight:function(){var O=self.innerHeight;var P=document.compatMode;if((P||G)&&!C){O=(P=="CSS1Compat")?document.documentElement.clientHeight:document.body.clientHeight;}return O;},getViewportWidth:function(){var O=self.innerWidth;var P=document.compatMode;if(P||G){O=(P=="CSS1Compat")?document.documentElement.clientWidth:document.body.clientWidth;}return O;},getAncestorBy:function(O,P){while(O=O.parentNode){if(D(O,P)){return O;}}return null;},getAncestorByClassName:function(P,O){P=B.Dom.get(P);if(!P){return null;}var Q=function(R){return B.Dom.hasClass(R,O);};return B.Dom.getAncestorBy(P,Q);},getAncestorByTagName:function(P,O){P=B.Dom.get(P);if(!P){return null;}var Q=function(R){return R.tagName&&R.tagName.toUpperCase()==O.toUpperCase();};return B.Dom.getAncestorBy(P,Q);},getPreviousSiblingBy:function(O,P){while(O){O=O.previousSibling;if(D(O,P)){return O;}}return null;},getPreviousSibling:function(O){O=B.Dom.get(O);if(!O){return null;}return B.Dom.getPreviousSiblingBy(O);},getNextSiblingBy:function(O,P){while(O){O=O.nextSibling;if(D(O,P)){return O;}}return null;},getNextSibling:function(O){O=B.Dom.get(O);if(!O){return null;}return B.Dom.getNextSiblingBy(O);},getFirstChildBy:function(O,Q){var P=(D(O.firstChild,Q))?O.firstChild:null;return P||B.Dom.getNextSiblingBy(O.firstChild,Q);},getFirstChild:function(O,P){O=B.Dom.get(O);if(!O){return null;}return B.Dom.getFirstChildBy(O);},getLastChildBy:function(O,Q){if(!O){return null;}var P=(D(O.lastChild,Q))?O.lastChild:null;return P||B.Dom.getPreviousSiblingBy(O.lastChild,Q);},getLastChild:function(O){O=B.Dom.get(O);return B.Dom.getLastChildBy(O);},getChildrenBy:function(P,R){var Q=B.Dom.getFirstChildBy(P,R);var O=Q?[Q]:[];B.Dom.getNextSiblingBy(Q,function(S){if(!R||R(S)){O[O.length]=S;}return false;});return O;},getChildren:function(O){O=B.Dom.get(O);if(!O){}return B.Dom.getChildrenBy(O);},getDocumentScrollLeft:function(O){O=O||document;return Math.max(O.documentElement.scrollLeft,O.body.scrollLeft);},getDocumentScrollTop:function(O){O=O||document;return Math.max(O.documentElement.scrollTop,O.body.scrollTop);},insertBefore:function(P,O){P=B.Dom.get(P);O=B.Dom.get(O);if(!P||!O||!O.parentNode){return null;}return O.parentNode.insertBefore(P,O);},insertAfter:function(P,O){P=B.Dom.get(P);O=B.Dom.get(O);if(!P||!O||!O.parentNode){return null;}if(O.nextSibling){return O.parentNode.insertBefore(P,O.nextSibling);}else{return O.parentNode.appendChild(P);}}};})();YAHOO.util.Region=function(C,D,A,B){this.top=C;this[1]=C;this.right=D;this.bottom=A;this.left=B;this[0]=B;};YAHOO.util.Region.prototype.contains=function(A){return(A.left>=this.left&&A.right<=this.right&&A.top>=this.top&&A.bottom<=this.bottom);};YAHOO.util.Region.prototype.getArea=function(){return((this.bottom-this.top)*(this.right-this.left));};YAHOO.util.Region.prototype.intersect=function(E){var C=Math.max(this.top,E.top);var D=Math.min(this.right,E.right);var A=Math.min(this.bottom,E.bottom);var B=Math.max(this.left,E.left);if(A>=C&&D>=B){return new YAHOO.util.Region(C,D,A,B);}else{return null;}};YAHOO.util.Region.prototype.union=function(E){var C=Math.min(this.top,E.top);var D=Math.max(this.right,E.right);var A=Math.max(this.bottom,E.bottom);var B=Math.min(this.left,E.left);return new YAHOO.util.Region(C,D,A,B);};YAHOO.util.Region.prototype.toString=function(){return("Region {top: "+this.top+", right: "+this.right+", bottom: "+this.bottom+", left: "+this.left+"}");};YAHOO.util.Region.getRegion=function(D){var F=YAHOO.util.Dom.getXY(D);var C=F[1];var E=F[0]+D.offsetWidth;var A=F[1]+D.offsetHeight;var B=F[0];return new YAHOO.util.Region(C,E,A,B);};YAHOO.util.Point=function(A,B){if(YAHOO.lang.isArray(A)){B=A[1];A=A[0];}this.x=this.right=this.left=this[0]=A;this.y=this.top=this.bottom=this[1]=B;};YAHOO.util.Point.prototype=new YAHOO.util.Region();YAHOO.register("dom",YAHOO.util.Dom,{version:"2.3.1",build:"541"});