function EmailCheck(sEmail) {
	var at = "@";
	var dot = ".";
	var lat = sEmail.indexOf(at);
	var lstr = sEmail.length;
	var ldot = sEmail.indexOf(dot);

	if (sEmail.indexOf(at)==-1) { return false; }
	if (sEmail.indexOf(at)==-1 || sEmail.indexOf(at)==0 || sEmail.indexOf(at)==lstr) { return false; }
	if (sEmail.indexOf(dot)==-1 || sEmail.indexOf(dot)==0 || sEmail.indexOf(dot)==lstr) { return false; }
	if (sEmail.indexOf(at,(lat+1))!=-1) { return false; }
	if (sEmail.substring(lat-1,lat)==dot || sEmail.substring(lat+1,lat+2)==dot) { return false; }
	if (sEmail.indexOf(dot,(lat+2))==-1) { return false; }
	if (sEmail.indexOf(" ")!=-1) { return false; }

 	return true;
}

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 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 IsThereCookies(){
testValue=Math.floor(1000*Math.random());
SetCookie('AreCookiesEnabled',testValue);
return (testValue==ReadCookie('AreCookiesEnabled')); 
}