function megnyit() {
  window.open('http://www.fatlossmasters.com/tema_1/sender-long.php','level');
  setTimeout('megnyit()',300000);
}


function helyescim(emcim) {
  if (emcim.length<5) {
	return false;
  }
  else if (emcim.indexOf("@") < 1) {
	return false;
  }
  else if (emcim.length - emcim.indexOf("@") < 6) {
	return false;
  }
  else {
	return true;
  }
}

function isEmpty(mit) {
  if ((mit.length==0) || (mit==null)) {
	return true;
  }
  else {
	return false;
  }
}

function ellenoriz() {
   
	mehet = 1;

	if (mehet==1 && isEmpty(document.urlap.nev.value)) {
	mehet = 0;
	document.urlap.nev.focus();
	alert('Please provide a name!');
  }

  if (mehet==1 && !helyescim(document.urlap.emailcim.value)) {
	mehet = 0;
	document.urlap.emailcim.focus();
	alert('Please provide a valid email address!');
  }

  if (mehet==1) {
	document.urlap.submit();
  }
  else {
	document.urlap.elkuldgomb.value='Sign Me Up!';
	document.urlap.elkuldgomb.disabled=false;
  }

}


function checknewsbig() {
   
	mehet = 1;

	if (mehet==1 && isEmpty(document.bighirlevelform.nevbig.value)) {
	mehet = 0;
	document.bighirlevelform.nevbig.focus();
	alert('Please provide a name!');
  }

  if (mehet==1 && !helyescim(document.bighirlevelform.emailcimbig.value)) {
	mehet = 0;
	document.bighirlevelform.emailcimbig.focus();
	alert('Please provide a valid email address!');
  }

  if (mehet==1) {
	document.bighirlevelform.submit();
  }
  else {
	document.bighirlevelform.elkuldgombbig.value='Sign Me Up!';
	document.bighirlevelform.elkuldgombbig.disabled=false;
  }

}