function showHide(divToShowHide) {

    //alert(divToShowHide)
    
    if (document.getElementById(divToShowHide).style.display == 'none') {
        
        document.getElementById(divToShowHide).style.display = '';
        
    } else {
    
        document.getElementById(divToShowHide).style.display = 'none';
    
    }
    
}