function loadBanner(banner){
	$("#"+banner).fadeIn(1000);
	
	if(banner == 'banner1'){
		window.setTimeout("loadBanner('banner2')", 1000);
	}
	if(banner == 'banner2'){
		window.setTimeout("loadBanner('banner3')", 1000);
	}
}

function isValidEmail(strEmail){
  validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
  
	// search email text for regular exp matches
  if (strEmail.search(validRegExp) == -1) {
  	return false;
  } 
  return true; 
}