function createCookie(name,value) {
	var thiscookie = name + "=" + value + "; " + "path=/; domain=" + document.domain.substring(document.domain.indexOf('.') + 1) + ";";
	document.cookie = thiscookie ;
}

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;
}