function registerInfomail(mail){
	if(!ValidateEmail(mail)) return;
	var url = "../ajax/registerInfomail.php?mail="+mail;
	//window.location=url;		  
	var ajax = new net.ContentLoader(url, registerCallback);
}

function registerCallback(){
	var elmnt = document.getElementById('infomail-err');
	var data = this.req.responseXML.documentElement;
	
	elmnt.innerHTML = data.firstChild.firstChild.nodeValue;
}

function ValidateEmail( email){
	var regStr = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if( !regStr.test(email)){
		alert("Vámi zadaná e-mailová adresa nemá platný formát");
		return false;
	}
	return true;
}