public/javascripts/yui/calendar/calendar.js
function() {
        var btn = Dom.getElementsByClassName(this.Style.CSS_LINK_CLOSE, "a", this.oDomContainer)[0] || null;
        if (btn) {
            Event.purgeElement(btn);
            this.oDomContainer.removeChild(btn);
        }
    }
function() {
        var btn = Dom.getElementsByClassName(this.Style.CSS_LINK_CLOSE, "a", this.oDomContainer)[0] || null;
        if (btn) {
            Event.purgeElement(btn);
            this.oDomContainer.removeChild(btn);
        }
    }
function ( ) { var btn = Dom . getElementsByClassName ( this . Style . CSS_LINK_CLOSE , "a" , this . oDomContainer ) [ 0 ] || null ; if ( btn ) { Event . purgeElement ( btn ) ; this . oDomContainer . removeChild ( btn ) ; } }
Removes the close button HTML element from the DOM

@method removeCloseButton
Removes the close button HTML element from the DOM