function overlayInfoHide() {

    document.getElementById("overlayInfo_content").style.display='none';
    document.getElementById("overlayInfo_overlay").style.display='none';

}

function showDivOverflow(id) {
    
    var obj = document.getElementById(id);
    if(obj != null) {
        obj.style.display='block';
    }
    
}

function hideDivOverflow(id) {
    
    var obj = document.getElementById(id);
    if(obj != null) {
        obj.style.display='none';
    }
    
}