// JS-file //

function openDiv(id){
    divName = 'modul'+id;
    var obj = document.getElementById(divName);
    obj.style.display='block';
    for(i=1;i<200;i++){
        divName = 'modul'+i;
        var obj = document.getElementById(divName);
        if(obj){
            if(i!=id){
                obj.style.display='none';
            }
        }
    }
}