YUI.add('yui2-stylesheet', 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(){var j=document,b=j.createElement("p"),e=b.style,c=YAHOO.lang,m={},i={},f=0,k=("cssFloat" in e)?"cssFloat":"styleFloat",g,a,l;a=("opacity" in e)?function(d){d.opacity="";}:function(d){d.filter="";};e.border="1px solid red";e.border="";l=e.borderLeft?function(d,o){var n;if(o!==k&&o.toLowerCase().indexOf("float")!=-1){o=k;}if(typeof d[o]==="string"){switch(o){case"opacity":case"filter":a(d);break;case"font":d.font=d.fontStyle=d.fontVariant=d.fontWeight=d.fontSize=d.lineHeight=d.fontFamily="";break;default:for(n in d){if(n.indexOf(o)===0){d[n]="";}}}}}:function(d,n){if(n!==k&&n.toLowerCase().indexOf("float")!=-1){n=k;}if(c.isString(d[n])){if(n==="opacity"){a(d);}else{d[n]="";}}};function h(u,o){var x,s,w,v={},n,y,q,t,d,p;if(!(this instanceof h)){return new h(u,o);}s=u&&(u.nodeName?u:j.getElementById(u));if(u&&i[u]){return i[u];}else{if(s&&s.yuiSSID&&i[s.yuiSSID]){return i[s.yuiSSID];}}if(!s||!/^(?:style|link)$/i.test(s.nodeName)){s=j.createElement("style");s.type="text/css";}if(c.isString(u)){if(u.indexOf("{")!=-1){if(s.styleSheet){s.styleSheet.cssText=u;}else{s.appendChild(j.createTextNode(u));}}else{if(!o){o=u;}}}if(!s.parentNode||s.parentNode.nodeName.toLowerCase()!=="head"){x=(s.ownerDocument||j).getElementsByTagName("head")[0];x.appendChild(s);}w=s.sheet||s.styleSheet;n=w&&("cssRules" in w)?"cssRules":"rules";q=("deleteRule" in w)?function(r){w.deleteRule(r);}:function(r){w.removeRule(r);};y=("insertRule" in w)?function(A,z,r){w.insertRule(A+" {"+z+"}",r);}:function(A,z,r){w.addRule(A,z,r);};for(t=w[n].length-1;t>=0;--t){d=w[n][t];p=d.selectorText;if(v[p]){v[p].style.cssText+=";"+d.style.cssText;q(t);}else{v[p]=d;}}s.yuiSSID="yui-stylesheet-"+(f++);h.register(s.yuiSSID,this);if(o){h.register(o,this);}c.augmentObject(this,{getId:function(){return s.yuiSSID;},node:s,enable:function(){w.disabled=false;return this;},disable:function(){w.disabled=true;return this;},isEnabled:function(){return !w.disabled;},set:function(B,A){var D=v[B],C=B.split(/\s*,\s*/),z,r;if(C.length>1){for(z=C.length-1;z>=0;--z){this.set(C[z],A);}return this;}if(!h.isValidSelector(B)){return this;}if(D){D.style.cssText=h.toCssText(A,D.style.cssText);}else{r=w[n].length;A=h.toCssText(A);if(A){y(B,A,r);v[B]=w[n][r];}}return this;},unset:function(B,A){var D=v[B],C=B.split(/\s*,\s*/),r=!A,E,z;if(C.length>1){for(z=C.length-1;z>=0;--z){this.unset(C[z],A);}return this;}if(D){if(!r){if(!c.isArray(A)){A=[A];}e.cssText=D.style.cssText;for(z=A.length-1;z>=0;--z){l(e,A[z]);}if(e.cssText){D.style.cssText=e.cssText;}else{r=true;}}if(r){E=w[n];for(z=E.length-1;z>=0;--z){if(E[z]===D){delete v[B];q(z);break;}}}}return this;},getCssText:function(A){var B,z,r;if(c.isString(A)){B=v[A.split(/\s*,\s*/)[0]];return B?B.style.cssText:null;}else{z=[];for(r in v){if(v.hasOwnProperty(r)){B=v[r];z.push(B.selectorText+" {"+B.style.cssText+"}");}}return z.join("\n");}}},true);}g=function(n,p){var o=n.styleFloat||n.cssFloat||n["float"],r;try{e.cssText=p||"";}catch(d){b=j.createElement("p");e=b.style;e.cssText=p||"";}if(c.isString(n)){e.cssText+=";"+n;}else{if(o&&!n[k]){n=c.merge(n);delete n.styleFloat;delete n.cssFloat;delete n["float"];n[k]=o;}for(r in n){if(n.hasOwnProperty(r)){try{e[r]=c.trim(n[r]);}catch(q){}}}}return e.cssText;};c.augmentObject(h,{toCssText:(("opacity" in e)?g:function(d,n){if(c.isObject(d)&&"opacity" in d){d=c.merge(d,{filter:"alpha(opacity="+(d.opacity*100)+")"});delete d.opacity;}return g(d,n);}),register:function(d,n){return !!(d&&n instanceof h&&!i[d]&&(i[d]=n));},isValidSelector:function(n){var d=false;if(n&&c.isString(n)){if(!m.hasOwnProperty(n)){m[n]=!/\S/.test(n.replace(/\s+|\s*[+~>]\s*/g," ").replace(/([^ ])\[.*?\]/g,"$1").replace(/([^ ])::?[a-z][a-z\-]+[a-z](?:\(.*?\))?/ig,"$1").replace(/(?:^| )[a-z0-6]+/ig," ").replace(/\\./g,"").replace(/[.#]\w[\w\-]*/g,""));}d=m[n];}return d;}},true);YAHOO.util.StyleSheet=h;})();YAHOO.register("stylesheet",YAHOO.util.StyleSheet,{version:"2.9.0",build:"2800"});
}, '2.9.0' ,{"requires": ["yui2-yahoo"]});
