/*
 Copyright (c) 2010, Yahoo! Inc. All rights reserved.
 Code licensed under the BSD License:
 http://developer.yahoo.com/yui/license.html
 version: 3.3.0
 build: 3167
 */
YUI.add('dom-style',function(Y){(function(Y){var DOCUMENT_ELEMENT='documentElement',DEFAULT_VIEW='defaultView',OWNER_DOCUMENT='ownerDocument',STYLE='style',FLOAT='float',CSS_FLOAT='cssFloat',STYLE_FLOAT='styleFloat',TRANSPARENT='transparent',GET_COMPUTED_STYLE='getComputedStyle',GET_BOUNDING_CLIENT_RECT='getBoundingClientRect',WINDOW=Y.config.win,DOCUMENT=Y.config.doc,UNDEFINED=undefined,Y_DOM=Y.DOM,TRANSFORM='transform',VENDOR_TRANSFORM=['WebkitTransform','MozTransform','OTransform'],re_color=/color$/i,re_unit=/width|height|top|left|right|bottom|margin|padding/i;Y.Array.each(VENDOR_TRANSFORM,function(val){if(val in DOCUMENT[DOCUMENT_ELEMENT].style){TRANSFORM=val;}});Y.mix(Y_DOM,{DEFAULT_UNIT:'px',CUSTOM_STYLES:{},setStyle:function(node,att,val,style){style=style||node.style;var CUSTOM_STYLES=Y_DOM.CUSTOM_STYLES;if(style){if(val===null||val===''){val='';}else if(!isNaN(new Number(val))&&re_unit.test(att)){val+=Y_DOM.DEFAULT_UNIT;}
if(att in CUSTOM_STYLES){if(CUSTOM_STYLES[att].set){CUSTOM_STYLES[att].set(node,val,style);return;}else if(typeof CUSTOM_STYLES[att]==='string'){att=CUSTOM_STYLES[att];}}else if(att===''){att='cssText';val='';}
style[att]=val;}},getStyle:function(node,att,style){style=style||node.style;var CUSTOM_STYLES=Y_DOM.CUSTOM_STYLES,val='';if(style){if(att in CUSTOM_STYLES){if(CUSTOM_STYLES[att].get){return CUSTOM_STYLES[att].get(node,att,style);}else if(typeof CUSTOM_STYLES[att]==='string'){att=CUSTOM_STYLES[att];}}
val=style[att];if(val===''){val=Y_DOM[GET_COMPUTED_STYLE](node,att);}}
return val;},setStyles:function(node,hash){var style=node.style;Y.each(hash,function(v,n){Y_DOM.setStyle(node,n,v,style);},Y_DOM);},getComputedStyle:function(node,att){var val='',doc=node[OWNER_DOCUMENT];if(node[STYLE]&&doc[DEFAULT_VIEW]&&doc[DEFAULT_VIEW][GET_COMPUTED_STYLE]){val=doc[DEFAULT_VIEW][GET_COMPUTED_STYLE](node,null)[att];}
return val;}});if(DOCUMENT[DOCUMENT_ELEMENT][STYLE][CSS_FLOAT]!==UNDEFINED){Y_DOM.CUSTOM_STYLES[FLOAT]=CSS_FLOAT;}else if(DOCUMENT[DOCUMENT_ELEMENT][STYLE][STYLE_FLOAT]!==UNDEFINED){Y_DOM.CUSTOM_STYLES[FLOAT]=STYLE_FLOAT;}
if(Y.UA.opera){Y_DOM[GET_COMPUTED_STYLE]=function(node,att){var view=node[OWNER_DOCUMENT][DEFAULT_VIEW],val=view[GET_COMPUTED_STYLE](node,'')[att];if(re_color.test(att)){val=Y.Color.toRGB(val);}
return val;};}
if(Y.UA.webkit){Y_DOM[GET_COMPUTED_STYLE]=function(node,att){var view=node[OWNER_DOCUMENT][DEFAULT_VIEW],val=view[GET_COMPUTED_STYLE](node,'')[att];if(val==='rgba(0, 0, 0, 0)'){val=TRANSPARENT;}
return val;};}
Y.DOM._getAttrOffset=function(node,attr){var val=Y.DOM[GET_COMPUTED_STYLE](node,attr),offsetParent=node.offsetParent,position,parentOffset,offset;if(val==='auto'){position=Y.DOM.getStyle(node,'position');if(position==='static'||position==='relative'){val=0;}else if(offsetParent&&offsetParent[GET_BOUNDING_CLIENT_RECT]){parentOffset=offsetParent[GET_BOUNDING_CLIENT_RECT]()[attr];offset=node[GET_BOUNDING_CLIENT_RECT]()[attr];if(attr==='left'||attr==='top'){val=offset-parentOffset;}else{val=parentOffset-node[GET_BOUNDING_CLIENT_RECT]()[attr];}}}
return val;};Y.DOM._getOffset=function(node){var pos,xy=null;if(node){pos=Y_DOM.getStyle(node,'position');xy=[parseInt(Y_DOM[GET_COMPUTED_STYLE](node,'left'),10),parseInt(Y_DOM[GET_COMPUTED_STYLE](node,'top'),10)];if(isNaN(xy[0])){xy[0]=parseInt(Y_DOM.getStyle(node,'left'),10);if(isNaN(xy[0])){xy[0]=(pos==='relative')?0:node.offsetLeft||0;}}
if(isNaN(xy[1])){xy[1]=parseInt(Y_DOM.getStyle(node,'top'),10);if(isNaN(xy[1])){xy[1]=(pos==='relative')?0:node.offsetTop||0;}}}
return xy;};Y_DOM.CUSTOM_STYLES.transform={set:function(node,val,style){style[TRANSFORM]=val;},get:function(node,style){return Y_DOM[GET_COMPUTED_STYLE](node,TRANSFORM);}};})(Y);(function(Y){var PARSE_INT=parseInt,RE=RegExp;Y.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(val){if(!Y.Color.re_RGB.test(val)){val=Y.Color.toHex(val);}
if(Y.Color.re_hex.exec(val)){val='rgb('+[PARSE_INT(RE.$1,16),PARSE_INT(RE.$2,16),PARSE_INT(RE.$3,16)].join(', ')+')';}
return val;},toHex:function(val){val=Y.Color.KEYWORDS[val]||val;if(Y.Color.re_RGB.exec(val)){val=[Number(RE.$1).toString(16),Number(RE.$2).toString(16),Number(RE.$3).toString(16)];for(var i=0;i<val.length;i++){if(val[i].length<2){val[i]='0'+val[i];}}
val=val.join('');}
if(val.length<6){val=val.replace(Y.Color.re_hex3,'$1$1');}
if(val!=='transparent'&&val.indexOf('#')<0){val='#'+val;}
return val.toUpperCase();}};})(Y);},'3.3.0',{requires:['dom-base']});
