code: function(e) {
              // Reset height of all resizer els in case TH's have changed height
              var allKeys = this.datatable.getColumnSet().keys,
                  col;
              for(var i=0, len=allKeys.length; i<len; i++) {
                  col = allKeys[i];
                  if(col._ddResizer) {
                      col._ddResizer.resetResizerEl();
                  }
              }
              this.resetResizerEl();
              
              var el = this.headCellLiner;
              var newWidth = el.offsetWidth -
                  (parseInt(YAHOO.util.Dom.getStyle(el,"paddingLeft"),10)|0) -
                  (parseInt(YAHOO.util.Dom.getStyle(el,"paddingRight"),10)|0);
  
              this.datatable.fireEvent("columnResizeEvent", {column:this.column,target:this.headCell,width:newWidth});
          }
docs: ///////////////////////////////////////////////////////////////////////////  Public DOM event handlers  /////////////////////////////////////////////////////////////////////////// 
  Handles mouseup events on the Column resizer.
  
  @method onMouseUp
  @param e {string} The mouseup event