function setCookie(cookieName, cookieValue, nDays) 
{
    var today = new Date();
    var expire = new Date();
    if (nDays==null || nDays==0) 
        nDays=1;
    expire.setTime(today.getTime() + 3600000*24*nDays);
    document.cookie = cookieName+"="+escape(cookieValue)+ ";expires="+expire.toGMTString();
}

function readCookie(cookieName) 
{
    var theCookie=""+document.cookie;
    var ind=theCookie.indexOf(cookieName);
    if (ind==-1 || cookieName=="") 
        return ""; 
    
    var ind1=theCookie.indexOf(';',ind);
    if (ind1==-1) 
        ind1=theCookie.length; 
    
    return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}

function validateEmail(address) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   return reg.test(address);
}

function escapeHbx(str)
{
	return  str.replace(/['&"<>]/g,"");
}