function test(){
	alert("zdar");
}


function regme_test(){
	var ret=false;
//	var name = document.forms['regfrm']['reg_fs_name'].value;
	var mail = document.forms['regfrm']['reg_fs_mail'].value;
	
	var pos = mail.indexOf('@');
	if(pos < 0){
		ret = false;
	}
	var pred_zav = mail.substring(0, pos);
	var za_za    = mail.substring(pos+1, mail.length);
	if (za_za.indexOf('@')>=0 || pred_zav.length <= 0 || za_za.length <= 0 || mail.length == 0){
		ret = false;
		alert("Chybny email.");
	}
	else{
		ret = true;
	}

	return ret;
}


function regme_test_2(){
	var ret=false;
//	var name = document.forms['regfrm']['reg_fs_name'].value;
	var mail = document.forms['regfrm']['reg_fs_mail'].value;
	var jmeno = document.forms['regfrm']['reg_fs_jmeno'].value;
	
	var pos = mail.indexOf('@');
	if(pos < 0){
		ret = false;
	}
	var pred_zav = mail.substring(0, pos);
	var za_za    = mail.substring(pos+1, mail.length);
	if (za_za.indexOf('@')>=0 || pred_zav.length <= 0 || za_za.length <= 0 || mail.length == 0){
		ret = false;
		alert("Chybny email.");
	}
	else{
		ret = true;
	}
	
  if (ret == true && jmeno.length == 0){
    ret = false;
    alert("Chybne vyplneno jmeno.");
  }

	return ret;
}