function sideb(cur) {
  if (document.getElementById) {
    var menu = document.getElementById(cur).style;
    if (menu.display == "block") {
      menu.display = "none";
//      if (cur == "gov_menu" && document.getElementById("new").style.display == "none") {
//        document.getElementById("main").style.display = "block";
//      }
    } else {
      menu.display = "block";
    }
/*
    if (document.getElementById("gov").style.display == "block" && document.getElementById("new").style.display == "none" && cur == "gov_menu") {
      document.getElementById("main").style.display = "block";
	} else if (document.getElementById("new").style.display == "block" && document.getElementbyId("gov").style.display == "none" && cur == "new_menu") {
      document.getElementById("main").style.display = "block";
    }
*/
	if (document.getElementById("gov").style.display == "none" && document.getElementById("new").style.display == "none") {
	  document.getElementById("main").style.display = "none";
	}
    if (cur == "gov_menu") {
      document.getElementById("gov").style.display = "block";
      document.getElementById("main").style.display = "none";
      document.getElementById("new").style.display = "none";
    } else if (cur == "new_menu") {
      document.getElementById("gov").style.display = "none";
      document.getElementById("main").style.display = "none";
      document.getElementById("new").style.display = "block";
    }
    return false;
  } else {
    return true;
  }
}