impress/public/assets/prototype.js

/*  Prototype JavaScript framework, version 1.6.1
 *  (c) 2005-2009 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/
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Selector(t)),t.match($(e))},up:function(e,t,n){e=$(e);if(arguments.length==1)return $(e.parentNode);var r=Element.ancestors(e);return Object.isNumber(t)?r[t]:Selector.findElement(r,t,n)},down:function(e,t,n){return e=$(e),arguments.length==1?Element.firstDescendant(e):Object.isNumber(t)?Element.descendants(e)[t]:Element.select(e,t)[n||0]},previous:function(e,t,n){e=$(e);if(arguments.length==1)return $(Selector.handlers.previousElementSibling(e));var r=Element.previousSiblings(e);return Object.isNumber(t)?r[t]:Selector.findElement(r,t,n)},next:function(e,t,n){e=$(e);if(arguments.length==1)return $(Selector.handlers.nextElementSibling(e));var r=Element.nextSiblings(e);return Object.isNumber(t)?r[t]:Selector.findElement(r,t,n)},select:function(e){var t=Array.prototype.slice.call(arguments,1);return Selector.findChildElements(e,t)},adjacent:function(e){var t=Array.prototype.slice.call(arguments,1);return Selector.findChildElements(e.parentNode,t).without(e)},identify:function(e){e=$(e);var t=Element.readAttribute(e,"id");if(t)return t;do t="anonymous_element_"+Element.idCounter++;while($(t));return Element.writeAttribute(e,"id",t),t},readAttribute:function(e,t){e=$(e);if(Prototype.Browser.IE){var n=Element._attributeTranslations.read;if(n.values[t])return n.values[t](e,t);n.names[t]&&(t=n.names[t]);if(t.include(":"))return!e.attributes||!e.attributes[t]?null:e.attributes[t].value}return e.getAttribute(t)},writeAttribute:function(e,t,n){e=$(e);var r={},i=Element._attributeTranslations.write;typeof t=="object"?r=t:r[t]=Object.isUndefined(n)?!0:n;for(var s in r)t=i.names[s]||s,n=r[s],i.values[s]&&(t=i.values[s](e,n)),n===!1||n===null?e.removeAttribute(t):n===!0?e.setAttribute(t,t):e.setAttribute(t,n);return e},getHeight:function(e){return Element.getDimensions(e).height},getWidth:function(e){return Element.getDimensions(e).width},classNames:function(e){return new Element.ClassNames(e)},hasClassName:function(e,t){if(!(e=$(e)))return;var n=e.className;return n.length>0&&(n==t||(new RegExp("(^|\\s)"+t+"(\\s|$)")).test(n))},addClassName:function(e,t){if(!(e=$(e)))return;return Element.hasClassName(e,t)||(e.className+=(e.className?" 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Element.getStyle(e,"position")=="absolute"&&(s=Element.getOffsetParent(e),i=Element.viewportOffset(s)),s==document.body&&(i[0]-=document.body.offsetLeft,i[1]-=document.body.offsetTop),n.setLeft&&(e.style.left=r[0]-i[0]+n.offsetLeft+"px"),n.setTop&&(e.style.top=r[1]-i[1]+n.offsetTop+"px"),n.setWidth&&(e.style.width=t.offsetWidth+"px"),n.setHeight&&(e.style.height=t.offsetHeight+"px"),e}},Object.extend(Element.Methods,{getElementsBySelector:Element.Methods.select,childElements:Element.Methods.immediateDescendants}),Element._attributeTranslations={write:{names:{className:"class",htmlFor:"for"},values:{}}},Prototype.Browser.Opera?(Element.Methods.getStyle=Element.Methods.getStyle.wrap(function(e,t,n){switch(n){case"left":case"top":case"right":case"bottom":if(e(t,"position")==="static")return null;case"height":case"width":if(!Element.visible(t))return null;var r=parseInt(e(t,n),10);if(r!==t["offset"+n.capitalize()])return r+"px";var i;return 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r=Element.cumulativeScrollOffset(e);return this.xcomp=t+r[0]-this.deltaX,this.ycomp=n+r[1]-this.deltaY,this.offset=Element.cumulativeOffset(e),this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+e.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+e.offsetWidth},overlap:function(e,t){if(!e)return 0;if(e=="vertical")return(this.offset[1]+t.offsetHeight-this.ycomp)/t.offsetHeight;if(e=="horizontal")return(this.offset[0]+t.offsetWidth-this.xcomp)/t.offsetWidth},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(e){return Position.prepare(),Element.absolutize(e)},relativize:function(e){return Position.prepare(),Element.relativize(e)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(e,t,n){return n=n||{},Element.clonePosition(t,e,n)}};document.getElementsByClassName||(document.getElementsByClassName=function(e){function t(e){return e.blank()?null:"[contains(concat(' ', @class, ' '), ' "+e+" ')]"}return e.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(e,n){n=n.toString().strip();var r=/\s/.test(n)?$w(n).map(t).join(""):t(n);return r?document._getElementsByXPath(".//*"+r,e):[]}:function(e,t){t=t.toString().strip();var n=[],r=/\s/.test(t)?$w(t):null;if(!r&&!t)return n;var i=$(e).getElementsByTagName("*");t=" "+t+" ";for(var s=0,o,u;o=i[s];s++)o.className&&(u=" "+o.className+" ")&&(u.include(t)||r&&r.all(function(e){return!e.toString().blank()&&u.include(" "+e+" ")}))&&n.push(Element.extend(o));return n},function(e,t){return $(t||document.body).getElementsByClassName(e)}}(Element.Methods)),Element.ClassNames=Class.create(),Element.ClassNames.prototype={initialize:function(e){this.element=$(e)},_each:function(e){this.element.className.split(/\s+/).select(function(e){return e.length>0})._each(e)},set:function(e){this.element.className=e},add:function(e){if(this.include(e))return;this.set($A(this).concat(e).join(" "))},remove:function(e){if(!this.include(e))return;this.set($A(this).without(e).join(" "))},toString:function(){return $A(this).join(" ")}},Object.extend(Element.ClassNames.prototype,Enumerable);