code: function createAlignButton( ids ) {
           for ( var i = 0, ci; ci = ids[i++]; ) {
               var floatContainer = $G( ci ),
                       nameMaps = {"none":lang['default'], "left":lang.floatLeft, "right":lang.floatRight, "center":lang.block};
               for ( var j in nameMaps ) {
                   var div = document.createElement( "div" );
                   div.setAttribute( "name", j );
                   if ( j == "none" ) div.className="focus";
                   div.style.cssText = "background:url(images/" + j + "_focus.jpg);";
                   div.setAttribute( "title", nameMaps[j] );
                   floatContainer.appendChild( div );
               }
               switchSelect( ci );
           }
       }
docs: 创建图片浮动选择按钮
  @param ids