moodle/lib/yuilib/2in3/2.9.0/build/yui2-dom/yui2-dom-min.js

YUI.add('yui2-dom', function(Y) {
    var YAHOO    = Y.YUI2;
    /*
Copyright (c) 2011, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.9.0
*/
(function(){YAHOO.env._id_counter=YAHOO.env._id_counter||0;var e=YAHOO.util,k=YAHOO.lang,L=YAHOO.env.ua,a=YAHOO.lang.trim,B={},F={},m=/^t(?:able|d|h)$/i,w=/color$/i,j=window.document,v=j.documentElement,C="ownerDocument",M="defaultView",U="documentElement",S="compatMode",z="offsetLeft",o="offsetTop",T="offsetParent",x="parentNode",K="nodeType",c="tagName",n="scrollLeft",H="scrollTop",p="getBoundingClientRect",V="getComputedStyle",y="currentStyle",l="CSS1Compat",A="BackCompat",E="class",f="className",i="",b=" ",R="(?:^|\\s)",J="(?= |$)",t="g",O="position",D="fixed",u="relative",I="left",N="top",Q="medium",P="borderLeftWidth",q="borderTopWidth",d=L.opera,h=L.webkit,g=L.gecko,s=L.ie;e.Dom={CUSTOM_ATTRIBUTES:(!v.hasAttribute)?{"for":"htmlFor","class":f}:{"htmlFor":"for","className":E},DOT_ATTRIBUTES:{checked:true},get:function(aa){var ac,X,ab,Z,W,G,Y=null;if(aa){if(typeof aa=="string"||typeof aa=="number"){ac=aa+"";aa=j.getElementById(aa);G=(aa)?aa.attributes:null;if(aa&&G&&G.id&&G.id.value===ac){return aa;}else{if(aa&&j.all){aa=null;X=j.all[ac];if(X&&X.length){for(Z=0,W=X.length;Z<W;++Z){if(X[Z].id===ac){return X[Z];}}}}}}else{if(e.Element&&aa instanceof e.Element){aa=aa.get("element");}else{if(!aa.nodeType&&"length" in aa){ab=[];for(Z=0,W=aa.length;Z<W;++Z){ab[ab.length]=e.Dom.get(aa[Z]);}aa=ab;}}}Y=aa;}return Y;},getComputedStyle:function(G,W){if(window[V]){return G[C][M][V](G,null)[W];}else{if(G[y]){return e.Dom.IE_ComputedStyle.get(G,W);}}},getStyle:function(G,W){return e.Dom.batch(G,e.Dom._getStyle,W);},_getStyle:function(){if(window[V]){return function(G,Y){Y=(Y==="float")?Y="cssFloat":e.Dom._toCamel(Y);var X=G.style[Y],W;if(!X){W=G[C][M][V](G,null);if(W){X=W[Y];}}return X;};}else{if(v[y]){return function(G,Y){var X;switch(Y){case"opacity":X=100;try{X=G.filters["DXImageTransform.Microsoft.Alpha"].opacity;}catch(Z){try{X=G.filters("alpha").opacity;}catch(W){}}return 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false;}if(aa=="static"){aa=u;Y(G,O,aa);}if(isNaN(ab[0])){ab[0]=(aa==u)?0:G[z];}if(isNaN(ab[1])){ab[1]=(aa==u)?0:G[o];}if(ad[0]!==null){Y(G,I,ad[0]-ac[0]+ab[0]+"px");}if(ad[1]!==null){Y(G,N,ad[1]-ac[1]+ab[1]+"px");}if(!W){X=e.Dom._getXY(G);if((ad[0]!==null&&X[0]!=ad[0])||(ad[1]!==null&&X[1]!=ad[1])){e.Dom._setXY(G,{pos:ad,noRetry:true});}}},setX:function(W,G){e.Dom.setXY(W,[G,null]);},setY:function(G,W){e.Dom.setXY(G,[null,W]);},getRegion:function(G){var W=function(X){var Y=false;if(e.Dom._canPosition(X)){Y=e.Region.getRegion(X);}else{}return Y;};return e.Dom.batch(G,W,e.Dom,true);},getClientWidth:function(){return e.Dom.getViewportWidth();},getClientHeight:function(){return e.Dom.getViewportHeight();},getElementsByClassName:function(ab,af,ac,ae,X,ad){af=af||"*";ac=(ac)?e.Dom.get(ac):null||j;if(!ac){return[];}var W=[],G=ac.getElementsByTagName(af),Z=e.Dom.hasClass;for(var Y=0,aa=G.length;Y<aa;++Y){if(Z(G[Y],ab)){W[W.length]=G[Y];}}if(ae){e.Dom.batch(W,ae,X,ad);}return W;},hasClass:function(W,G){return e.Dom.batch(W,e.Dom._hasClass,G);},_hasClass:function(X,W){var G=false,Y;if(X&&W){Y=e.Dom._getAttribute(X,f)||i;if(Y){Y=Y.replace(/\s+/g,b);}if(W.exec){G=W.test(Y);}else{G=W&&(b+Y+b).indexOf(b+W+b)>-1;}}else{}return G;},addClass:function(W,G){return e.Dom.batch(W,e.Dom._addClass,G);},_addClass:function(X,W){var G=false,Y;if(X&&W){Y=e.Dom._getAttribute(X,f)||i;if(!e.Dom._hasClass(X,W)){e.Dom.setAttribute(X,f,a(Y+b+W));G=true;}}else{}return G;},removeClass:function(W,G){return e.Dom.batch(W,e.Dom._removeClass,G);},_removeClass:function(Y,X){var W=false,aa,Z,G;if(Y&&X){aa=e.Dom._getAttribute(Y,f)||i;e.Dom.setAttribute(Y,f,aa.replace(e.Dom._getClassRegex(X),i));Z=e.Dom._getAttribute(Y,f);if(aa!==Z){e.Dom.setAttribute(Y,f,a(Z));W=true;if(e.Dom._getAttribute(Y,f)===""){G=(Y.hasAttribute&&Y.hasAttribute(E))?E:f;Y.removeAttribute(G);}}}else{}return W;},replaceClass:function(X,W,G){return e.Dom.batch(X,e.Dom._replaceClass,{from:W,to:G});},_replaceClass:function(Y,X){var W,ab,aa,G=false,Z;if(Y&&X){ab=X.from;aa=X.to;if(!aa){G=false;}else{if(!ab){G=e.Dom._addClass(Y,X.to);}else{if(ab!==aa){Z=e.Dom._getAttribute(Y,f)||i;W=(b+Z.replace(e.Dom._getClassRegex(ab),b+aa).replace(/\s+/g,b)).split(e.Dom._getClassRegex(aa));W.splice(1,0,b+aa);e.Dom.setAttribute(Y,f,a(W.join(i)));G=true;}}}}else{}return G;},generateId:function(G,X){X=X||"yui-gen";var W=function(Y){if(Y&&Y.id){return Y.id;}var Z=X+YAHOO.env._id_counter++;
if(Y){if(Y[C]&&Y[C].getElementById(Z)){return e.Dom.generateId(Y,Z+X);}Y.id=Z;}return Z;};return e.Dom.batch(G,W,e.Dom,true)||W.apply(e.Dom,arguments);},isAncestor:function(W,X){W=e.Dom.get(W);X=e.Dom.get(X);var G=false;if((W&&X)&&(W[K]&&X[K])){if(W.contains&&W!==X){G=W.contains(X);}else{if(W.compareDocumentPosition){G=!!(W.compareDocumentPosition(X)&16);}}}else{}return G;},inDocument:function(G,W){return e.Dom._inDoc(e.Dom.get(G),W);},_inDoc:function(W,X){var G=false;if(W&&W[c]){X=X||W[C];G=e.Dom.isAncestor(X[U],W);}else{}return G;},getElementsBy:function(W,af,ab,ad,X,ac,ae){af=af||"*";ab=(ab)?e.Dom.get(ab):null||j;var aa=(ae)?null:[],G;if(ab){G=ab.getElementsByTagName(af);for(var Y=0,Z=G.length;Y<Z;++Y){if(W(G[Y])){if(ae){aa=G[Y];break;}else{aa[aa.length]=G[Y];}}}if(ad){e.Dom.batch(aa,ad,X,ac);}}return aa;},getElementBy:function(X,G,W){return e.Dom.getElementsBy(X,G,W,null,null,null,true);},batch:function(X,ab,aa,Z){var Y=[],W=(Z)?aa:null;X=(X&&(X[c]||X.item))?X:e.Dom.get(X);if(X&&ab){if(X[c]||X.length===undefined){return ab.call(W,X,aa);}for(var G=0;G<X.length;++G){Y[Y.length]=ab.call(W||X[G],X[G],aa);}}else{return false;}return Y;},getDocumentHeight:function(){var W=(j[S]!=l||h)?j.body.scrollHeight:v.scrollHeight,G=Math.max(W,e.Dom.getViewportHeight());return G;},getDocumentWidth:function(){var W=(j[S]!=l||h)?j.body.scrollWidth:v.scrollWidth,G=Math.max(W,e.Dom.getViewportWidth());return G;},getViewportHeight:function(){var G=self.innerHeight,W=j[S];if((W||s)&&!d){G=(W==l)?v.clientHeight:j.body.clientHeight;}return G;},getViewportWidth:function(){var G=self.innerWidth,W=j[S];if(W||s){G=(W==l)?v.clientWidth:j.body.clientWidth;}return G;},getAncestorBy:function(G,W){while((G=G[x])){if(e.Dom._testElement(G,W)){return G;}}return null;},getAncestorByClassName:function(W,G){W=e.Dom.get(W);if(!W){return null;}var X=function(Y){return e.Dom.hasClass(Y,G);};return e.Dom.getAncestorBy(W,X);},getAncestorByTagName:function(W,G){W=e.Dom.get(W);if(!W){return null;}var X=function(Y){return Y[c]&&Y[c].toUpperCase()==G.toUpperCase();};return e.Dom.getAncestorBy(W,X);},getPreviousSiblingBy:function(G,W){while(G){G=G.previousSibling;if(e.Dom._testElement(G,W)){return G;}}return null;},getPreviousSibling:function(G){G=e.Dom.get(G);if(!G){return null;}return e.Dom.getPreviousSiblingBy(G);},getNextSiblingBy:function(G,W){while(G){G=G.nextSibling;if(e.Dom._testElement(G,W)){return G;}}return null;},getNextSibling:function(G){G=e.Dom.get(G);if(!G){return null;}return e.Dom.getNextSiblingBy(G);},getFirstChildBy:function(G,X){var W=(e.Dom._testElement(G.firstChild,X))?G.firstChild:null;return W||e.Dom.getNextSiblingBy(G.firstChild,X);},getFirstChild:function(G,W){G=e.Dom.get(G);if(!G){return null;}return e.Dom.getFirstChildBy(G);},getLastChildBy:function(G,X){if(!G){return null;}var W=(e.Dom._testElement(G.lastChild,X))?G.lastChild:null;return W||e.Dom.getPreviousSiblingBy(G.lastChild,X);},getLastChild:function(G){G=e.Dom.get(G);return e.Dom.getLastChildBy(G);},getChildrenBy:function(W,Y){var X=e.Dom.getFirstChildBy(W,Y),G=X?[X]:[];e.Dom.getNextSiblingBy(X,function(Z){if(!Y||Y(Z)){G[G.length]=Z;}return false;});return G;},getChildren:function(G){G=e.Dom.get(G);if(!G){}return e.Dom.getChildrenBy(G);},getDocumentScrollLeft:function(G){G=G||j;return Math.max(G[U].scrollLeft,G.body.scrollLeft);},getDocumentScrollTop:function(G){G=G||j;return Math.max(G[U].scrollTop,G.body.scrollTop);},insertBefore:function(W,G){W=e.Dom.get(W);G=e.Dom.get(G);if(!W||!G||!G[x]){return null;}return G[x].insertBefore(W,G);},insertAfter:function(W,G){W=e.Dom.get(W);G=e.Dom.get(G);if(!W||!G||!G[x]){return null;}if(G.nextSibling){return G[x].insertBefore(W,G.nextSibling);}else{return G[x].appendChild(W);}},getClientRegion:function(){var X=e.Dom.getDocumentScrollTop(),W=e.Dom.getDocumentScrollLeft(),Y=e.Dom.getViewportWidth()+W,G=e.Dom.getViewportHeight()+X;return new e.Region(X,Y,G,W);},setAttribute:function(W,G,X){e.Dom.batch(W,e.Dom._setAttribute,{attr:G,val:X});},_setAttribute:function(X,W){var G=e.Dom._toCamel(W.attr),Y=W.val;if(X&&X.setAttribute){if(e.Dom.DOT_ATTRIBUTES[G]&&X.tagName&&X.tagName!="BUTTON"){X[G]=Y;}else{G=e.Dom.CUSTOM_ATTRIBUTES[G]||G;X.setAttribute(G,Y);}}else{}},getAttribute:function(W,G){return e.Dom.batch(W,e.Dom._getAttribute,G);},_getAttribute:function(W,G){var X;G=e.Dom.CUSTOM_ATTRIBUTES[G]||G;if(e.Dom.DOT_ATTRIBUTES[G]){X=W[G];}else{if(W&&"getAttribute" in W){if(/^(?:href|src)$/.test(G)){X=W.getAttribute(G,2);}else{X=W.getAttribute(G);}}else{}}return X;},_toCamel:function(W){var X=B;function G(Y,Z){return Z.toUpperCase();}return X[W]||(X[W]=W.indexOf("-")===-1?W:W.replace(/-([a-z])/gi,G));},_getClassRegex:function(W){var G;if(W!==undefined){if(W.exec){G=W;}else{G=F[W];if(!G){W=W.replace(e.Dom._patterns.CLASS_RE_TOKENS,"\\$1");W=W.replace(/\s+/g,b);G=F[W]=new RegExp(R+W+J,t);}}}return G;},_patterns:{ROOT_TAG:/^body|html$/i,CLASS_RE_TOKENS:/([\.\(\)\^\$\*\+\?\|\[\]\{\}\\])/g},_testElement:function(G,W){return G&&G[K]==1&&(!W||W(G));},_calcBorders:function(X,Y){var W=parseInt(e.Dom[V](X,q),10)||0,G=parseInt(e.Dom[V](X,P),10)||0;if(g){if(m.test(X[c])){W=0;G=0;}}Y[0]+=G;Y[1]+=W;return Y;}};var r=e.Dom[V];if(L.opera){e.Dom[V]=function(W,G){var X=r(W,G);if(w.test(G)){X=e.Dom.Color.toRGB(X);}return X;};}if(L.webkit){e.Dom[V]=function(W,G){var X=r(W,G);if(X==="rgba(0, 0, 0, 0)"){X="transparent";}return X;};}if(L.ie&&L.ie>=8){e.Dom.DOT_ATTRIBUTES.type=true;}})();YAHOO.util.Region=function(d,e,a,c){this.top=d;this.y=d;this[1]=d;this.right=e;this.bottom=a;this.left=c;this.x=c;this[0]=c;this.width=this.right-this.left;this.height=this.bottom-this.top;};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(f){var d=Math.max(this.top,f.top),e=Math.min(this.right,f.right),a=Math.min(this.bottom,f.bottom),c=Math.max(this.left,f.left);
if(a>=d&&e>=c){return new YAHOO.util.Region(d,e,a,c);}else{return null;}};YAHOO.util.Region.prototype.union=function(f){var d=Math.min(this.top,f.top),e=Math.max(this.right,f.right),a=Math.max(this.bottom,f.bottom),c=Math.min(this.left,f.left);return new YAHOO.util.Region(d,e,a,c);};YAHOO.util.Region.prototype.toString=function(){return("Region {"+"top: "+this.top+", right: "+this.right+", bottom: "+this.bottom+", left: "+this.left+", height: "+this.height+", width: "+this.width+"}");};YAHOO.util.Region.getRegion=function(e){var g=YAHOO.util.Dom.getXY(e),d=g[1],f=g[0]+e.offsetWidth,a=g[1]+e.offsetHeight,c=g[0];return new YAHOO.util.Region(d,f,a,c);};YAHOO.util.Point=function(a,b){if(YAHOO.lang.isArray(a)){b=a[1];a=a[0];}YAHOO.util.Point.superclass.constructor.call(this,b,a,b,a);};YAHOO.extend(YAHOO.util.Point,YAHOO.util.Region);(function(){var b=YAHOO.util,a="clientTop",f="clientLeft",j="parentNode",k="right",w="hasLayout",i="px",u="opacity",l="auto",d="borderLeftWidth",g="borderTopWidth",p="borderRightWidth",v="borderBottomWidth",s="visible",q="transparent",n="height",e="width",h="style",t="currentStyle",r=/^width|height$/,o=/^(\d[.\d]*)+(em|ex|px|gd|rem|vw|vh|vm|ch|mm|cm|in|pt|pc|deg|rad|ms|s|hz|khz|%){1}?/i,m={get:function(x,z){var y="",A=x[t][z];if(z===u){y=b.Dom.getStyle(x,u);}else{if(!A||(A.indexOf&&A.indexOf(i)>-1)){y=A;}else{if(b.Dom.IE_COMPUTED[z]){y=b.Dom.IE_COMPUTED[z](x,z);}else{if(o.test(A)){y=b.Dom.IE.ComputedStyle.getPixel(x,z);}else{y=A;}}}}return y;},getOffset:function(z,E){var B=z[t][E],x=E.charAt(0).toUpperCase()+E.substr(1),C="offset"+x,y="pixel"+x,A="",D;if(B==l){D=z[C];if(D===undefined){A=0;}A=D;if(r.test(E)){z[h][E]=D;if(z[C]>D){A=D-(z[C]-D);}z[h][E]=l;}}else{if(!z[h][y]&&!z[h][E]){z[h][E]=B;}A=z[h][y];}return A+i;},getBorderWidth:function(x,z){var y=null;if(!x[t][w]){x[h].zoom=1;}switch(z){case g:y=x[a];break;case v:y=x.offsetHeight-x.clientHeight-x[a];break;case d:y=x[f];break;case p:y=x.offsetWidth-x.clientWidth-x[f];break;}return y+i;},getPixel:function(y,x){var A=null,B=y[t][k],z=y[t][x];y[h][k]=z;A=y[h].pixelRight;y[h][k]=B;return A+i;},getMargin:function(y,x){var z;if(y[t][x]==l){z=0+i;}else{z=b.Dom.IE.ComputedStyle.getPixel(y,x);}return z;},getVisibility:function(y,x){var z;while((z=y[t])&&z[x]=="inherit"){y=y[j];}return(z)?z[x]:s;},getColor:function(y,x){return b.Dom.Color.toRGB(y[t][x])||q;},getBorderColor:function(y,x){var z=y[t],A=z[x]||z.color;return b.Dom.Color.toRGB(b.Dom.Color.toHex(A));}},c={};c.top=c.right=c.bottom=c.left=c[e]=c[n]=m.getOffset;c.color=m.getColor;c[g]=c[p]=c[v]=c[d]=m.getBorderWidth;c.marginTop=c.marginRight=c.marginBottom=c.marginLeft=m.getMargin;c.visibility=m.getVisibility;c.borderColor=c.borderTopColor=c.borderRightColor=c.borderBottomColor=c.borderLeftColor=m.getBorderColor;b.Dom.IE_COMPUTED=c;b.Dom.IE_ComputedStyle=m;})();(function(){var c="toString",a=parseInt,b=RegExp,d=YAHOO.util;d.Dom.Color={KEYWORDS:{black:"000",silver:"c0c0c0",gray:"808080",white:"fff",maroon:"800000",red:"f00",purple:"800080",fuchsia:"f0f",green:"008000",lime:"0f0",olive:"808000",yellow:"ff0",navy:"000080",blue:"00f",teal:"008080",aqua:"0ff"},re_RGB:/^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,re_hex:/^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,re_hex3:/([0-9A-F])/gi,toRGB:function(e){if(!d.Dom.Color.re_RGB.test(e)){e=d.Dom.Color.toHex(e);}if(d.Dom.Color.re_hex.exec(e)){e="rgb("+[a(b.$1,16),a(b.$2,16),a(b.$3,16)].join(", ")+")";}return e;},toHex:function(f){f=d.Dom.Color.KEYWORDS[f]||f;if(d.Dom.Color.re_RGB.exec(f)){f=[Number(b.$1).toString(16),Number(b.$2).toString(16),Number(b.$3).toString(16)];for(var e=0;e<f.length;e++){if(f[e].length<2){f[e]="0"+f[e];}}f=f.join("");}if(f.length<6){f=f.replace(d.Dom.Color.re_hex3,"$1$1");}if(f!=="transparent"&&f.indexOf("#")<0){f="#"+f;}return f.toUpperCase();}};}());YAHOO.register("dom",YAHOO.util.Dom,{version:"2.9.0",build:"2800"});
    if (YAHOO.env._id_counter < 1e+6) {
        YAHOO.env._id_counter =  Y.Env._yidx * 1e+6;
    }
}, '2.9.0' ,{"requires": ["yui2-yahoo"]});