image disappears when I click on it

[camphor]

hi,

I have been trying to find out why the dots disappear when I click on portfolio, below is the actionscript code

stop();
 
_root.createEmptyMovieClip("circle_on_top_mc",_root.getNextHighestDepth());
 
about_mc.onRollOver=function(){
    this.swapDepths(_root.circle_on_top_mc);
    }
about_mc.onRollOut=function(){
    _root.circle_on_top_mc.swapDepths(this);
}
 
portfolio_mc.onRollOver=function(){
    this.swapDepths(_root.circle_on_top_mc);
    }
portfolio_mc.onRollOut=function(){
    _root.circle_on_top_mc.swapDepths(this);
}
 
game_mc.onRollOver=function(){
    this.swapDepths(_root.circle_on_top_mc);
    }
game_mc.onRollOut=function(){
    _root.circle_on_top_mc.swapDepths(this);
}
 
animation_mc.onRollOver=function(){
    this.swapDepths(_root.circle_on_top_mc);
    }
animation_mc.onRollOut=function(){
    _root.circle_on_top_mc.swapDepths(this);
}
 
contact_mc.onRollOver=function(){
    this.swapDepths(_root.circle_on_top_mc);
    }
contact_mc.onRollOut=function(){
    _root.circle_on_top_mc.swapDepths(this);
}
 
function disable(){
    about_mc._visible=false;
    portfolio_mc._visible=false;
    game_mc._visible=false;
    animtion_mc._visible=false;
    contact_mc._visible=false;    
}
 
function enable(){
    about_mc._visible=true;
    portfolio_mc._visible=true;
    game_mc._visible=true;
    animtion_mc._visible=true;
    contact_mc._visible=true;    
}
 
about_mc.onRelease = function  () {
    disable();
    var t:MovieClip = popupholder_mc.attachMovie("about","about_mc",popupholder_mc.getNextHighestDepth());
    t._x =100;
    t._y =200;
    t.closer_mc.onRelease = function  () {    
    enable()
        t.removeMovieClip();        
    }
}
 
contact_mc.onRelease = function  () {
    disable();
    var t:MovieClip = popupholder_mc.attachMovie("contact","contact_mc",popupholder_mc.getNextHighestDepth());
    t._x = 100;
    t._y = 195;
    t.closer_mc.onRelease = function  () {        
    enable();
        t.removeMovieClip();        
    }
}
 
portfolio_mc.onRelease = function  () {
    disable();
    var t:MovieClip = popupholder_mc.attachMovie("portfolio","portfolio_mc",popupholder_mc.getNextHighestDepth());
    t._x =100;
    t._y =200;
    t.closer_mc.onRelease = function  () {    
    enable()
    t.removeMovieClip();        
    }
}
 
 
_root.createEmptyMovieClip("canvas_mc",1);
 

Go to http://www.paulineng.co.uk hover over the dots until portfolio comes up, when you click on it, the about, contact, plus other dots disappear, I am pulling my hair out trying to figure out why. Any help appreciated.

thanks

[Motoma]

I think it is because you are drawing on a layer above them.