// JavaScript Document
//code for manipulating the hide menus

function getCookie()
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf('schulichmenu=')
  if (c_start!=-1)
    { 
    c_start=c_start + 13
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}

function setCookie(value) 
{
document.cookie='schulichmenu=' + escape(value) + '; path=/';
}

function checkCookie()
{
menustring=getCookie();
if (menustring == null) {
 	   setCookie('')
    }
}

function addMenuToCookie(menuvalue)
{
menuvalues = getCookie();
if (getCookie() == '') {
	setCookie(menuvalue)
	}
else {
	if (menuvalues.indexOf(menuvalue) == -1) { 
		setCookie(menuvalues + ',' + menuvalue)
	}
	}
}

function removeMenuFromCookie(menuvalue)
{
menustring=getCookie();

if (menustring != null) {
 	var menuarray = new Array();

	var menuarray = menustring.split(',');

	for (var x = 0; x <= menuarray.length; x++)
   	{
		if(menuarray[x] == menuvalue) 
		{
			menuarray.splice(x,1);
			setCookie(menuarray.join());
			break;
		};
   	}
    }
}