var checked=false;
var submitted=false;

function check_form() {
var error = 0;
	var error_message = "\n It looks like you did not enter a phone number or email." +
		            "We won't be able to get back to you with an estimate or quote.\n";
  if (checked) {
	document.jet.submit();
	return true;
  }
  if(submitted){
	alert( "This form has already been submitted. Please press Ok and wait for this process to be completed.");
	return false;
  }
	if (!document.jet.email.value && !document.jet.phone.value) {
		error=1;
	  error_message = error_message ;
	}
  if (error == 1) {
	alert(error_message);
	return false;
  } else {
	submitted = true;
	document.jet.submit();
  }
}

function check_mail_form() {
var error = 0;
    var error_message = "\nJust a reminder that you have left a field blank.\n"+
						"You can submit your request with this field blank"+
						" or if you wish, please provide us with the info.\n"+
						"Thanks from 24 7Jet";


  if (checked) {
  	document.jet.submit();
  	return true;
  }

  if(submitted){
    alert( "This form has already been submitted. Please press Ok and wait for this process to be completed.");
    return false;
  }

	if (!document.jet.customer_name.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.phone.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.email.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.fax.value) {
		error=1;
      error_message = error_message ;

	}



	checked=true;

  if (error == 1) {
    alert(error_message);
  } else {
    submitted = true;
    document.jet.submit();
  }
}
function check_fullquote_form() {
var error = 0;
    var error_message = "\nJust a reminder that you have left a field blank.\n"+
						"You can submit your request with this field blank"+
						" or if you wish, please provide us with the info.\n"+
						"Thanks from Jet Set.";

  if (checked) {
  	document.jet.submit();
  	return true;
  }

  if(submitted){
    alert( "This form has already been submitted. Please press Ok and wait for this process to be completed.");
    return false;
  }

	if (!document.jet.depart_city.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.arrive_city.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.flight_type.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.dmonth.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.dday.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.dyear.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.dtime.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.amonth.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.aday.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.ayear.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.atime.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.number_of_passengers.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.aircraft_type.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.respond_when.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.respond_how.value) {
		error=1;
      error_message = error_message ;

	}

	if (!document.jet.customer_name.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.phone.value) {
		error=1;
      error_message = error_message ;

	}
	if (!document.jet.email.value) {
		error=1;
      error_message = error_message ;

	}


	checked=true;

  if (error == 1) {
    alert(error_message);
    return false;
  } else {
    submitted = true;
    return true;
  }
}

function openIt(winLocation) {
	window.open(winLocation,"","width=500,height=375,");
}

function img_act(imgName) {
if (version == "n3") {
imgOn = eval(imgName + "n.src");
document[imgName].src = imgOn;
}
}
function img_inact(imgName) {
if (version == "n3") {
document[imgName].src = eval(imgName + "f.src");
}
}
function open_new(url)
{
  nw=window.open("","__extra_page__","notoolbar,nolocation,scrollbars,resizable,width=650,height=450");
  nw.location = url
}