// check name and email fields
function doSubmit()
{
	with(document.forms[0])
	{
		if(elements["1a"].value == "") {alert("Please provide the starting address."); elements["1a"].focus(); return false;}
		if(elements["1c"].value == "") {alert("Please provide the starting city."); elements["1c"].focus(); return false;}
		if(elements["1s"].value == "") {alert("Please provide the starting state."); elements["1s"].focus(); return false;}
		submit()
	}
}