function validateMembership(field, errMsg)
{
	RegExp = /^([a-zA-Z0-9-_])+$/

	if (RegExp.test(field.value))
		return true;
	else
	{
		alert(errMsg);
		return false;
	}
}

function validateEmail(field, errMsg)
{

	
	RegExp=/^\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/

	if (RegExp.test(field.value))
		return true;
	else
	{
		alert(errMsg);
		return false;
	}
}

function checkform(FormObj)
{
	with(FormObj)
	{
		if((document.form.userType[0].checked == false) && (document.form.userType[1].checked == false))
		{
			
			alert("Please select your User Type") 	
			return false;
		}
		if (document.form.Login.value=="")
		{
			alert("Please enter the User-ID");
			document.form.Login.focus();
			return false;
		}
		if (validateMembership(document.form.Login,"Please enter the valid User-ID")==false)
		{
			document.form.Login.select();
			return false;
		}
		
		if (document.form.Email.value=="")
		{
			alert("Please enter the Email-ID");
			document.form.Email.focus();
			return false;
		}
		if (validateEmail(document.form.Email,"Please enter the valid Email-ID")==false)
		{
			document.form.Email.select();
			return false;
		}
		return true;
	}
}