function sendData() {
    var placeField = document.forms["hotels"].elements["placeString"];
    if(placeField.value == "") {
        alert("You must enter a city or airport code in the first field");
    } else if(placeField.value.length != 3) { //Airport code Search
        document.forms['hotels'].elements["searchType"].value = 0;
    } else {
        document.forms['hotels'].elements["searchType"].value = 1;
    }
    document.forms["hotels"].submit();
}
function preCode(code) {
	document.forms["hotels"].elements["placeString"].value = code;
	codeWin.close();
	codeWin = null;
}
function airportCode() {
	codeWin = window.open("/structure/popups/airportcodes_northamerica.html", "codeWin", 
					      "width=400,height=500,status=no,resizable=yes,scrollbars=1");
	codeWin.document.opener = self;
}