(function(){ 
var clicked = false;
this.clickDownOnEntity = function(entityID, mouseEvent) { 
if (clicked){
    Entities.editEntity(entityID, { color: { red: 0, green: 255, blue: 255} });
	clicked = false;
    }else{
    Entities.editEntity(entityID, { color: { red: 255, green: 255, blue: 0} });
	clicked = true;	
	}
	}; 
 })