// JavaScript Document
function checkvalid()
{
	var emailid = document.frmregistration.txtemailid.value;
	var password = document.frmregistration.txtpassword.value;
	var confirmpassword = document.frmregistration.txtconfirmpassword.value;
	
	if(trim(emailid).length <= 0)
	{
		alert("Email id should not be blank");
		document.frmregistration.txtemailid.focus();
		return false;
	}
	
	if(isvalid_email(emailid) == false)
	{
		alert("Email Id should be of the form 'username@domain.extension'");
		document.frmregistration.txtemailid.focus();
		return false;
	}
	
	if(trim(password,' ').length < 6)
	{
		alert("Password should be atleast 6 characters in length without leading and trailing spaces");
		document.frmregistration.txtpassword.focus();
		return false;
	}

	if(trim(password,' ') != trim(confirmpassword,' '))
	{
		alert("Entered Passwords do not match")
		document.frmregistration.txtpassword.focus();
		return false;
	}
	return true;	
}