function ouvrirVid(vid){

switch (vid){
case 'presentation':
$('div#vid_pres').show();
break;
case 'temoign_pf':
$('div#vid_temoign_pf').show();
break;
case 'temoign_cgx':
$('div#vid_temoign_cgx').show();
break;
case 'temoign_chic':
$('div#vid_temoign_chic').show();
break;
case 'temoign_devoteam':
$('div#vid_temoign_devo').show();
break;
case 'schema':
$('div#vid_schema').show();
break;
case 'IBP':
$('div#vid_IBP').show();
break;
case 'none':
break;
}


$('div#vid_btn_pres').click(function () {
$('div#vid_pres').slideToggle('slow');
});

$('div#vid_btn_temoign_pf').click(function () {
$('div#vid_temoign_pf').slideToggle('slow');
});

$('div#vid_btn_temoign_cgx').click(function () {
$('div#vid_temoign_cgx').slideToggle('slow');
});

$('div#vid_btn_temoign_chic').click(function () {
$('div#vid_temoign_chic').slideToggle('slow');
});

$('div#vid_btn_temoign_devo').click(function () {
$('div#vid_temoign_devo').slideToggle('slow');
});

$('div#vid_btn_schema').click(function () {
$('div#vid_schema').slideToggle('slow');
});

$('div#vid_btn_IBP').click(function () {
$('div#vid_IBP').slideToggle('slow');
});

}