function check_req_fields()
{
    var uname=document.forms[0].uname.value;
    var email=document.forms[0].email.value;
    var phone=document.forms[0].phone.value;
    var month=document.forms[0].tour_month.value;
    var day=document.forms[0].tour_day.value;
    var year=document.forms[0].tour_year.value;
    var num_party=document.forms[0].num_party.value;

    if(uname=='')
    {
        alert('Name Cannot be blank');
        document.forms[0].uname.focus();
        return false;
    }

    if(email=='')
    {
        alert('Email Cannot be blank');
        document.forms[0].email.focus();
        return false;
    }

    if(validate_email(email)==false)
	{
    	alert("Invalid Email Address.");
        document.forms[0].email.focus();
        return false;
	}

    if(phone=='')
    {
        alert('Phone Cannot be blank');
        document.forms[0].phone.focus();
        return false;
    }

    if(month=='select')
    {
        alert('Select a Month');
        return false;
    }

    if(day=='select')
    {
        alert('Select a Day');
        return false;
    }

    if(year=='select')
    {
        alert('Select a Year');
        return false;
    }

    if(num_party=='')
    {
        alert('Number in Party Cannot be blank');
        document.forms[0].num_party.focus();
        return false;
    }

}


function validate_email(field)
			{
				with (field)
				{
					apos=field.indexOf("@");
					dotpos=field.lastIndexOf(".");
					if (apos<1||dotpos-apos<2)
			  		{
						return false;
					}
					else
					{
						return true;
					}
				}
			}