function in_array(stringToSearch, arrayToSearch) {
    for (s = 0; s <arrayToSearch.length; s++) {
        thisEntry = arrayToSearch[s].toString();
        if (thisEntry == stringToSearch) {
            return true;
        }
    }
    return false;
}
function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it\'s in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function Get_Cookie( name ) {
	
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) &&
( name != document.cookie.substring( 0, name.length ) ) )
{
return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ";", len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}
		

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function removeArr(str,arr) {
    var narr = new Array();
    var i = 0;
    for (s = 0; s <arr.length; s++) {
        thisEntry = arr[s].toString();
        if (thisEntry == str) {
	   continue;
        }
	narr[i] = thisEntry;
	i++;
    }
    return narr;
}

function clickCategory(cat) {
    var objid = "Cat"+cat;
    var obj = document.getElementById(objid);
    if(obj.style.display=="block") {
    	obj.style.display = "none";
	if(in_array(cat, oDarr)) {
          oDarr = removeArr(cat);
          Set_Cookie('oD',serialize(oDarr),'','/','','');
	}
    } else {
	var l = oDarr.length;
	oDarr[l] = cat;
        Set_Cookie('oD',serialize(oDarr),'','/','','');
    	obj.style.display = "block";
    }
    	
}

function oDir(arr) {
   var i = 0;
   var oDbj;
   alert(type(arr[i]));
   for(i=0;i<arr.length;i++) {
     var c = "Cat" + arr[i];
     document.getElementById(c).style.display = "block";
   } 
}

var openDir = Get_Cookie('oD');
if(!Get_Cookie('oD')) {
  var initArr = new Array();
  Set_Cookie('oD',serialize(initArr),'','/','','');
}

var oDarr = unserialize(Get_Cookie('oD'));
//oDir(oDarr);