function isBlank()
{
	var name = document.frm_consul.name.value;
	var phone = document.frm_consul.phone.value;
	var email = document.frm_consul.email.value;
	var vhl_year = document.frm_consul.vyear.value;
	
	if(name == '')
	{
		alert('Name is not blank');
		document.frm_consul.name.focus();
		return false;
	}
	if(phone == '' && email == '')
	{
		alert('Phone/Email is not blank');
		document.frm_consul.phone.focus();
		return false;
	}
	if(phone != '')
	{
		if(! (phone.match(/^(0|-?[1-9][0-9]*(\.[0-9]{1,5})?)$/) ))
		{
			alert('Phone is not in valid format');
			document.frm_consul.phone.focus();
			return false;
		}
	}
	if(email != '')
	{
		var isValid = true;
		if (!(/^.+@.+\..{2,4}$/.test(email))) 
			isValid = false;

		if (email.match(/[\(\)\<\>\,\;\:\\\/\"\[\]]/)) 
			isValid = false;
		if(!isValid)
		{
			alert('Email is not in valid format');
			document.frm_consul.email.focus();
			return false;
		}
	}
	if(vhl_year == '')
	{
		alert('vehicle Year is not blank');
		document.frm_consul.vyear.focus();
		return false;
	}
	
	return true;
}