function changeTemoignages(id_show){
    var oDom_show = document.getElementById(id_show);
    var content = ["temoignages", "confiance"];
    var i = 0;

    for(i=0;i<=content.length-1;i++){
        id = "#sous_titre_"+content[i];
        if(id_show != content[i]){
            $(id).css("border", "none");
        }
        else{
            $(id).css({ border: '1px solid black'});
        }
    }

    for(i=0;i<=content.length-1;i++){
        if(id_show != content[i]){
            id = "#"+content[i];
            $(id).animate({
                opacity: 0
            },{duration: 200, queue: true, complete:function(){
                    $(id).css("display", "none");
            }});
        }
    }

    $(oDom_show).css("display","block");
    $(oDom_show).animate({
        opacity: 1
    },200);
}