function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}
function check()
{
	var e_reg=/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;

	if (trim(document.user_registration.uname.value).length == 0)
	{
		document.getElementById("msg").innerHTML = "Username is blank";
		document.user_registration.uname.value = '';
		document.user_registration.uname.focus();
		return false;
	}
	else if (trim(document.user_registration.email.value).length == 0)
	{
		document.getElementById("msg").innerHTML = "Email is blank";
		document.user_registration.email.focus();
		document.user_registration.email.value = '';
		return false;
	}
	else if(e_reg.test(document.user_registration.email.value) == false)
	{
		document.getElementById("msg").innerHTML ="Email is not valid";
		document.user_registration.email.focus();
		document.user_registration.email.value = '';
		return false;
	}
	else if (trim(document.user_registration.password.value).length == 0)
	{
		document.getElementById("msg").innerHTML = "Password is blank";
		document.user_registration.password.focus();
		document.user_registration.password.value = '';
		return false;
	}
	else if (trim(document.user_registration.confirm_password.value).length == 0)
	{
		document.getElementById("msg").innerHTML = "Confirm password is blank";
		document.user_registration.confirm_password.focus();
		document.user_registration.confirm_password.value = '';
		return false;
	}
	else if (trim(document.user_registration.confirm_password.value) != trim(document.user_registration.password.value))
	{
		document.getElementById("msg").innerHTML = "Confirm password not matched";
		document.user_registration.confirm_password.focus();
		document.user_registration.confirm_password.value = '';
		return false;
	}
	else
	{
		return true;
	}
}