function showHideDiv(div, status){
       var target = document.getElementById(div);

       if(status != 0 || status != 1){
               if(target.style.display == 'none') target.style.display = 'block';
               else target.style.display = 'none';
       }
       else if(status == 0){
               target.style.display = 'none';
       }
       else if(status == 1){
               target.style.display = 'block';
       }
}