function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    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(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

// checks to see if user has filled out form to access site resources and if so, doesn't require form to be filled out again

function checkCookie(section,target_page,link_name) // section is the div id that the toggle effect will be applied to, target_page is where user is sent once form is filled out, link_name what will be passed to analytics
{
registered=getCookie('registered');
if (registered!=null && registered!="")
{
window.location=(target_page);
}
else 
{
Effect.toggle(section,'slide',{ duration: .5 });
}
pageTracker._trackPageview("/sidebar_javascript_links/" + link_name); //google link tracking
}


function hideShow(form, alt_text){
registered=getCookie('registered');
if (registered!=null && registered!=""){
$('registered_user').show();	
}
else{
$('non_registered').show();		
}
}