<!--
 function check_form ()
{
szip = document.sform.zip.value
sstate = document.sform.state.value
scity = document.sform.city.value
valid = true

	if ((sstate == "") && (szip == ""))
	{ 
		alert ( "Please select a city and state, OR a zip code.");
		return false;	
	}
	else if ((sstate == "") && (szip != ""))
	{ 
	return true;
	}
	else if ((sstate != "") && (szip == ""))
	{
	check_city ();
	return valid;
	}
	
}

function check_city ()
{
    if ( scity == "" )
    {
        alert ( "Please enter a city name to search." );
        valid = false;
    }
	else if ( scity != "")
	{
	valid = true;
	} 

}


//-->