$(document).ready(function(){
   //collapse all menus and only uncollapse this section's menu
    var page = $.url.attr("file");
    var query = "a[href *= '"+ page + "']";
		var id = null;
    if($("#selected").length > 0){
      $("#selected").css("background", "black");
			id = $("#selected").parents("dd").attr("id");
    }else{
      $(query).css("background", "black");
			$(query).attr("id", "selected");
			id = $(query).parents("dd").attr("id");
    }
		// collapse submenu so show will expand it
		$("#"+id).css("display", "none");
    show(id);
});

  // toggle selected submenu on/off and collapse all other menus
  function show(id) {
		var newDisplay = {"none":"block", "block":"none", "list-item":"block"};
		var selectedMenu = $("#"+id)
		var curDisplay = selectedMenu.css("display");
    $("dd").css("display", "none");
		var x = newDisplay[curDisplay];
    selectedMenu.css("display", newDisplay[curDisplay]);
  }
  


//reloads the window if Nav4 resized
function MM_reloadPage(init) {  
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);