var sliders = new Array();

window.addEvent('domready', function() {
    var host = location.protocol+'//'+location.host;
    for(i=1;i<=3;i++) {
        var trigger = 't'+i;
        var target = 'a'+i;
        sliders[target] = new Fx.Slide(trigger) ;
        $(target).addEvent('click',function(e) { 
                                     id = e.target ? e.target.id : e.srcElement.id;
                                     tid=id.replace('t','a')
                                     if( $(tid).src == host+'/images/plus.gif') 
                                        $(tid).src = host+'/images/minus.gif';
                                     else
                                        $(tid).src = host+'/images/plus.gif';
                                    
                                     sliders[id].toggle(); 
                           });


        sliders[target].hide();
    }


    }
);