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<span id='Ext-Element-method-replaceClass'>        /**
</span>         * Replaces a CSS class on the element with another.  If the old name does not exist, the new name will simply be added.
         * @param {String} oldClassName The CSS class to replace
         * @param {String} newClassName The replacement CSS class
         * @return {Ext.Element} this
         */
        replaceClass : function(oldClassName, newClassName){
            return this.removeClass(oldClassName).addClass(newClassName);
        },

        isStyle : function(style, val) {
            return this.getStyle(style) == val;
        },

<span id='Ext-Element-method-getStyle'>        /**
</span>         * Normalizes currentStyle and computedStyle.
         * @param {String} property The style property whose value is returned.
         * @return {String} The current value of the style property for this element.
         */
        getStyle : function(){
            return view &amp;&amp; view.getComputedStyle ?
                function(prop){
                    var el = this.dom,
                        v,
                        cs,
                        out,
                        display;

                    if(el == document){
                        return null;
                    }
                    prop = chkCache(prop);
                    out = (v = el.style[prop]) ? v :
                           (cs = view.getComputedStyle(el, &quot;&quot;)) ? cs[prop] : null;
                           
                    // Ignore cases when the margin is correctly reported as 0, the bug only shows
                    // numbers larger.
                    if(prop == 'marginRight' &amp;&amp; out != '0px' &amp;&amp; !supports.correctRightMargin){
                        display = el.style.display;
                        el.style.display = 'inline-block';
                        out = view.getComputedStyle(el, '').marginRight;
                        el.style.display = display;
                    }
                    
                    if(prop == 'backgroundColor' &amp;&amp; out == 'rgba(0, 0, 0, 0)' &amp;&amp; !supports.correctTransparentColor){
                        out = 'transparent';
                    }
                    return out;
                } :
                function(prop){
                    var el = this.dom,
                        m,
                        cs;

                    if(el == document) return null;
                    if (prop == 'opacity') {
                        if (el.style.filter.match) {
                            if(m = el.style.filter.match(opacityRe)){
                                var fv = parseFloat(m[1]);
                                if(!isNaN(fv)){
                                    return fv ? fv / 100 : 0;
                                }
                            }
                        }
                        return 1;
                    }
                    prop = chkCache(prop);
                    return el.style[prop] || ((cs = el.currentStyle) ? cs[prop] : null);
                };
        }(),

<span id='Ext-Element-method-getColor'>        /**
</span>         * Return the CSS color for the specified CSS attribute. rgb, 3 digit (like #fff) and valid values
         * are convert to standard 6 digit hex color.
         * @param {String} attr The css attribute
         * @param {String} defaultValue The default value to use when a valid color isn't found
         * @param {String} prefix (optional) defaults to #. Use an empty string when working with
         * color anims.
         */
        getColor : function(attr, defaultValue, prefix){
            var v = this.getStyle(attr),
                color = (typeof prefix != 'undefined') ? prefix : '#',
                h;

            if(!v || (/transparent|inherit/.test(v))) {
                return defaultValue;
            }
            if(/^r/.test(v)){
                Ext.each(v.slice(4, v.length -1).split(','), function(s){
                    h = parseInt(s, 10);
                    color += (h &lt; 16 ? '0' : '') + h.toString(16);
                });
            }else{
                v = v.replace('#', '');
                color += v.length == 3 ? v.replace(/^(\w)(\w)(\w)$/, '$1$1$2$2$3$3') : v;
            }
            return(color.length &gt; 5 ? color.toLowerCase() : defaultValue);
        },

<span id='Ext-Element-method-setStyle'>        /**
</span>         * Wrapper for setting style properties, also takes single object parameter of multiple styles.
         * @param {String/Object} property The style property to be set, or an object of multiple styles.
         * @param {String} value (optional) The value to apply to the given property, or null if an object was passed.
         * @return {Ext.Element} this
         */
        setStyle : function(prop, value){
            var tmp, style;
            
            if (typeof prop != 'object') {
                tmp = {};
                tmp[prop] = value;
                prop = tmp;
            }
            for (style in prop) {
                value = prop[style];
                style == 'opacity' ?
                    this.setOpacity(value) :
                    this.dom.style[chkCache(style)] = value;
            }
            return this;