var nc = Date();
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; 

	for (i= 0;i<a_all_cookies.length;i++) {
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name ) {
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 ) {
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found ) {
		return null;
	}
}

function checklogin() {
  username=Get_Cookie('username');
  if (el=document.getElementById('logininfo')) {
    if (username !== null) {
      el.innerHTML=' Welcome '+Get_Cookie('username')+',&nbsp;&nbsp;&nbsp;<a href="/logout/" >Logout</a>';
    } else {
      el.innerHTML='<a href="/login/">Login</a> or <a href="/signup/">Signup</a>';
    }
  }
  if (username !== null) {
    if (el=document.getElementById('commentloginbuttons')) {
      el.innerHTML='Name: '+username;
    }
    if (el=document.getElementById('commentname')) {
      el.value=username;
    }
  }
}