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b=Position.cumulativeOffset(a);window.scrollTo(b[0],b[1]);return a},getStyle:function(b,c){b=$(b);c=c=="float"?"cssFloat":c.camelize();var d=b.style[c];if(!d){var a=document.defaultView.getComputedStyle(b,null);d=a?a[c]:null}if(c=="opacity"){return d?parseFloat(d):1}return d=="auto"?null:d},getOpacity:function(a){return $(a).getStyle("opacity")},setStyle:function(a,c,b){a=$(a);var e=a.style;for(var d in c){if(d=="opacity"){a.setOpacity(c[d])}else{e[(d=="float"||d=="cssFloat")?(e.styleFloat===undefined?"cssFloat":"styleFloat"):(b?d:d.camelize())]=c[d]}}return a},setOpacity:function(a,b){a=$(a);a.style.opacity=(b==1||b==="")?"":(b<0.00001)?0:b;return a},getDimensions:function(c){c=$(c);var g=$(c).getStyle("display");if(g!="none"&&g!=null){return{width:c.offsetWidth,height:c.offsetHeight}}var b=c.style;var f=b.visibility;var d=b.position;var a=b.display;b.visibility="hidden";b.position="absolute";b.display="block";var h=c.clientWidth;var 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c}}else{if(Prototype.Browser.Gecko){Element.Methods.setOpacity=function(a,b){a=$(a);a.style.opacity=(b==1)?0.999999:(b==="")?"":(b<0.00001)?0:b;return a}}}}Element._attributeTranslations={names:{colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"},values:{_getAttr:function(a,b){return a.getAttribute(b,2)},_flag:function(a,b){return $(a).hasAttribute(b)?b:null},style:function(a){return a.style.cssText.toLowerCase()},title:function(a){var b=a.getAttributeNode("title");return b.specified?b.nodeValue:null}}};(function(){Object.extend(this,{href:this._getAttr,src:this._getAttr,type:this._getAttr,disabled:this._flag,checked:this._flag,readonly:this._flag,multiple:this._flag})}).call(Element._attributeTranslations.values);Element.Methods.Simulated={hasAttribute:function(b,d){var a=Element._attributeTranslations,c;d=a.names[d]||d;c=$(b).getAttributeNode(d);return c&&c.specified}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods);if(!Prototype.BrowserFeatures.ElementExtensions&&document.createElement("div").__proto__){window.HTMLElement={};window.HTMLElement.prototype=document.createElement("div").__proto__;Prototype.BrowserFeatures.ElementExtensions=true}Element.hasAttribute=function(a,b){if(a.hasAttribute){return a.hasAttribute(b)}return Element.Methods.Simulated.hasAttribute(a,b)};Element.addMethods=function(c){var h=Prototype.BrowserFeatures,d=Element.Methods.ByTag;if(!c){Object.extend(Form,Form.Methods);Object.extend(Form.Element,Form.Element.Methods);Object.extend(Element.Methods.ByTag,{FORM:Object.clone(Form.Methods),INPUT:Object.clone(Form.Element.Methods),SELECT:Object.clone(Form.Element.Methods),TEXTAREA:Object.clone(Form.Element.Methods)})}if(arguments.length==2){var 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