var rr = document.getElementById('mainform');

function checkfield2(rr)
	{
		ok=true;
		if(document.getElementById('name').value=="")
	{
		alert("Please Enter Your Name.")
		document.getElementById('name').focus()
		ok=false;
	}
		else if(document.getElementById('phone').value=="" || isNaN(document.getElementById('phone').value) || document.getElementById('phone').value.length<=9 || document.getElementById('phone').value.length>10)
	{
		alert("Please enter your valid Phone Number.")
		document.getElementById('phone').focus()
		ok=false;
	}
		else if (document.getElementById('email').value=="")
	{
		alert("Please Mention Your Email ID.");
		document.getElementById('email').focus();
		ok=false;
	}
		else if (!isEmailAddr2(document.getElementById('email').value))
	{
	alert("Please enter complete email address in the form: yourname@yourdomain.com");
		document.getElementById('email').focus();
		ok=false;
	}
   		else if(document.getElementById('state').value=="")
	{
		alert("Please mention you belongs to which state?.")
		document.getElementById('state').focus()
		ok=false;
	}
		else if(document.getElementById('course').value=="")
	{
		alert("Plz, enter your course.")
		document.getElementById('course').focus()
		ok=false;
	}
		else if(document.getElementById('message').value=="")
	{
		alert("You can type here your message to our counselor, date of joining, and prefered training mode etc.")
		document.getElementById('message').focus()
		ok=false;
	}
		else if(document.getElementById('captcha').value=="" || document.getElementById('captcha').value<4 || document.getElementById('captcha').value>4 ||isNaN(document.getElementById('captcha').value))
	{
		alert("Plz enter total of 2+2, to know that u r a human?")
		document.getElementById('captcha').focus()
		ok=false;
	}
	return ok;
}
function isEmailAddr2(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
	var pindex = theStr.indexOf(".",index);
	if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}