function isValidEmail(str) {

   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
 
}

function runlogin() 
{
	var f = document.forms['frmLogin'];
	
	if (!isValidEmail(f.elements['eml'].value)) 
  { 
      alert('You need to enter your full email address \nie username@shoal.net.au') 
      f.elements['eml'].focus(); 
      return false; 
  }
  else
  {
		var whichform = f.elements['whichone'].value;
		switch(whichform) 
		{
			case '1' :
			f.action = 'http://webmail3.shoal.net.au/atmail.php';
			var sp1email = f.elements['eml'].value;
			var sp2email = new Array();
			sp2email = sp1email.split("@");
			var uname = sp2email[0]; 
			var dom = sp2email[1]; 
			//window.alert(uname);
			//window.alert(dom);
			f.elements['username'].value = uname;
			f.elements['pop3host'].value = dom;
			f.elements['password'].value = f.elements['pass'].value;
			f.elements['LoginType'].value = 'simple';
			f.submit();
			break;
			
			case '2' :
			f.action = 'https://seclogin.shoal.net.au/auth/index.php';
			f.elements['email'].value = f.elements['eml'].value;
			f.elements['password'].value = f.elements['pass'].value;
			f.elements['submit'].value = 'submit';
			f.submit();
			break;
		}
	}
}