cc=0;
function visible_menu()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('menu_bar').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('menu_bar').style.visibility="hidden";
  }
}
function visible_search()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('menu_search').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('menu_search').style.visibility="hidden";
  }
}
function insert_db()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('input_cust').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('input_cust').style.visibility="hidden";
  }
}
function delete_db()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('delete_cust_db').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('delete_cust_db').style.visibility="hidden";
  }
}
function edit_cust_db()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('delete_cust_db1').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('delete_cust_db1').style.visibility="hidden";
  }
}
function view_type_db()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('view_type1_db').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('view_type1_db').style.visibility="hidden";
  }
}
function create_user_db()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('create_user1_db').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('create_user1_db').style.visibility="hidden";
  }
}
function delet_user_db()
{
  if (cc==0)
  {
    cc=1;
	document.getElementById('delet_user1_db').style.visibility="visible";
  }
  else
  {
    cc=0;
	document.getElementById('delet_user1_db').style.visibility="hidden";
  }
}