function showHideDiv()
    {
        var str = new String();
        divstyle = document.getElementById("div1").style.visibility;
        if(divstyle.toLowerCase()=="visible" || divstyle == "")
        {
            document.getElementById("div1").style.visibility = "hidden";
        }
        else
        {
            document.getElementById("div1").style.visibility = "visible";
        }
    }
	function showDiv(str)
    {
		//alert(str);
        document.getElementById(str).style.visibility = "visible";
        
    }    
	function hideDiv(str)
    {
        document.getElementById(str).style.visibility = "hidden";
    }

	
//collapsible menu
// LIST ALL SHOW/HIDE ELEMENT IDS HERE

menus_status_array = new Array ();// remembers state of switches
img_close = 'images/expandbutton-close.png';
img_open = 'images/expandbutton-open.png';

function showHideSwitch (theid) {
  if (document.getElementById) {
    var switch_id = document.getElementById(theid);
    var imgid = theid+'Button';
    var button_id = document.getElementById(imgid);
    if (menus_status_array[theid] != 'show') {
      button_id.setAttribute ('src', img_close);
      switch_id.className = 'showSwitch';
	  menus_status_array[theid] = 'show';
	  document.cookie = theid+'=show';
    }else{
      button_id.setAttribute ('src', img_open);
      switch_id.className = 'hideSwitch';
	  menus_status_array[theid] = 'hide';
	  document.cookie = theid+'=hide';
    }
  }
}
function resetMenu () { // read cookies and set menus to last visited state
  if (document.getElementById) {
    for (var i=0; i<menus_array.length; i++) {
      var idname = menus_array[i];
      var switch_id = document.getElementById(idname);
      var imgid = idname+'Button';
      var button_id = document.getElementById(imgid);
      if (getCookie(idname) == 'show') {
	    button_id.setAttribute ('src', img_close);
        switch_id.className = 'showSwitch';
	    menus_status_array [idname] = 'show';
	  }else{
	    button_id.setAttribute ('src', img_open);
        switch_id.className = 'hideSwitch';
	    menus_status_array [idname] = 'hide';
	  }
    }
  }
}