Synnefo

        // is vm in transition ??? show the progress spinner

        update_transition_state: function(vm) {

            if ((this.actions.hovered && this.vm(vm).find("input").is(":checked")) || vm.pending_action) {

                this.sel('vm_spinner', vm.id).hide();

                this.sel('vm_wave', vm.id).hide();

            } else {

                this.sel('vm_spinner', vm.id).hide();

                this.$(".action-indicator").hide();

            }

        },

        // display transition animations

        show_transition: function(vm) {

            if (!this.visible()) { return };

            var wave = this.sel('vm_wave', vm.id);

            if (!wave.length) {

            var src = wave.attr('src');

            var self = this;

            // change src to force gif play from the first frame

            // animate for 500 ms then hide

            wave.attr('src', "").show().attr('src', src).fadeIn(500).delay(700).fadeOut(300, function() {

            });

        },

            if (vm.status() == "ERROR") {

                this.vm(vm).removeClass("active").removeClass("inactive").addClass("error");

            }

            this.update_os_icon(vm);