function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length); 
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); 
	}
	return null;
}

/*
 * Shows the logout link if a specific session cookie is set
 */
function logout() {
	if( readCookie("DS_LGT_FLAG") != null ) {
		var logout_div = document.getElementById("logOut");
		var ld_parent = logout_div.parentNode;
		if(logout_div)
			logout_div.innerHTML = "<a href='/security/sla-logoff.do?is_ds=1'>Existing pupil log out</a>";
			
		}
	}
function getElementsByClass(className) {

  var all = document.all ? document.all : document.getElementsByTagName('*');

  var elements = new Array();

  for (var e = 0; e < all.length; e++)

    if (all[e].className == className)

      elements[elements.length] = all[e];

  return elements;

}

 
function displayCorrectLearnPhone(){

            if ( readCookie("DSLEARNPHONE") != null ) {

                        var classedElements = getElementsByClass('learnPhone');

                        for (var i = 0; i < classedElements.length; i++)

                                    classedElements[i].innerHTML = readCookie("DSLEARNPHONE");

            }

}