Web Uploader在低版本IE下无法显示Flash的一种情况

Runtime.create = function( opts, orders ) {
    var type, runtime;
    
    orders = orders || Runtime.orders;
    $.each( orders.split( /\s*,\s*/g ), function() {
        if ( factories[ this ] ) {
            type = this;
            return false;
        }
    });
    
    type = type || getFirstKey( factories );
    
    if ( !type ) {
        throw new Error(‘Runtime Error‘);
    }
    
    runtime = new factories[ type ]( opts );
    return runtime;
};

FlashRuntime.register = function( name, component ) {
    component = components[ name ] = Base.inherits( CompBase, $.extend({
    
        // @todo fix this later
        flashExec: function() {
            var owner = this.owner,
                runtime = this.getRuntime();
    
            return runtime.flashExec.apply( owner, arguments );
        }
    }, component ) );
    
    return component;
};
    
if ( getFlashVersion() >= 11.4 ) {
    Runtime.addRuntime( type, FlashRuntime );
}