arr.push(o);
}
}
}
return arr;
};
// main
_addEvent(document.getElementById('board'),'click',(function(){
var curSelection = {trigger:null,pannel:null};
return function (e){
var e = e || window.event,
src = e.target || e.srcElement;
if (src && src.getAttribute('node-type') === 'pop'){
switchSelectionPanel(curSelection,src);
}
}
})());
function switchSelectionPanel (curSelection,el){
if (curSelection.trigger){