I solved it by doing like this:
$('#filecontainer').load(function(){
var iframe = $('#filecontainer').contents();
iframe.find("#choose_pics").click(function(){
alert("test");
});
});
I solved it by doing like this:
$('#filecontainer').load(function(){
var iframe = $('#filecontainer').contents();
iframe.find("#choose_pics").click(function(){
alert("test");
});
});