// buffer multiple keypresses in select fields 
var timerid     = null;
var matchString = "";
var mseconds    = 1000;	// Length of time before search string is reset

function shiftHighlight(keyCode,targ)
{
	keyVal      = String.fromCharCode(keyCode); // Convert ASCII Code to a string
	matchString = matchString + keyVal; // Add to previously typed characters

	elementCnt  = targ.length - 1;	// Calculate length of array -1

	for (i = elementCnt; i > 0; i--)
	{
		selectText = targ.options[i].text.toLowerCase(); // convert text in SELECT to lower case
		if (selectText.substr(0,matchString.length) == 	matchString.toLowerCase())
		{
			targ.options[i].selected = true; // Make the relevant OPTION selected
		}
	}

	clearTimeout(timerid); // Clear the timeout
	timerid = setTimeout('matchString = ""',mseconds); // Set a new timeout to reset the key press string
		
	return false; // to prevent IE from doing its own highlight switching
}

reizen = new Array(
new Array(
new Array("  ","Kies een reis                      "),
new Array("KCF","Kenia Comfort Familiereis"),
new Array("KTF","Kenia en Tanzania Familiereis"),
new Array("TCF","Tanzania Comfort Familiereis"),
new Array("TZF","Tanzania Familiereis"),
new Array("ZAF","Zuid-Afrika Familiereis"),
new Array("ZWF","Zuidelijk Afrika Familiereis")
),
new Array(
new Array("  ","Kies een reis                      "),
new Array("CHF","China Familiereis"),
new Array("INF","Indonesië: Java en Bali Familiereis"),
new Array("ISF","Kleine Sunda Eilanden Familiereis"),
new Array("IMF","Maleisië en Sumatra Familiereis"),
new Array("MSF","Maleisië Familiereis"),
new Array("MBF","Maleisisch Borneo Familiereis"),
new Array("SLF","Sri Lanka Familiereis"),
new Array("THF","Thailand Familiereis"),
new Array("VIF","Vietnam Familiereis")
),
new Array(
new Array("  ","Kies een reis                      "),
new Array("BWF","Bulgarije Winter Familiereis"),
new Array("FFW","Finland Familiereis"),
new Array("IWF","IJsland Droomvlucht Familiereis"),
new Array("ICF","IJsland Familiereis"),
new Array("PIF","Italië Familiereis"),
new Array("SPF","Spanje Familiereis"),
new Array("XSF","Spitsbergen Familiereis")
),
new Array(
new Array("  ","Kies een reis                      "),
new Array("CRF","Costa Rica Familiereis"),
new Array("CUF","Cuba Familiereis"),
new Array("ECF","Ecuador Familiereis"),
new Array("PEF","Peru Familiereis")
),
new Array(
new Array("  ","Kies een reis                      "),
new Array("EGF","Egypte Familiereis"),
new Array("JOF","Jordanië Familiereis"),
new Array("MAF","Marokko Familiereis"),
new Array("TRF","Turkije Familiereis")
),
new Array(
new Array("  ","Kies een reis                      "),
new Array("CAF","Canada Familiereis"),
new Array("USF","Verenigde Staten Familiereis")
)
);
function fillSelectFromArray(selectCtrl, itemArray, goodPrompt, badPrompt, defaultItem) {
var i, j;
var prompt;
// empty existing items
for (i = selectCtrl.options.length; i >= 0; i--) {
	selectCtrl.options[i] = null;
	}
	prompt = (itemArray != null) ? goodPrompt : badPrompt;
	if (prompt == null) {
		j = 0;
		}
	else {
		selectCtrl.options[0] = new Option(prompt);
		j = 1;
	}
	if (itemArray != null) {
		// add new items
		for (i = 0; i < itemArray.length; i++) {
			selectCtrl.options[j] = new Option(itemArray[i][1]);	// stel hier je pointer in

			if (itemArray[i][1] != null) {
			selectCtrl.options[j].value = itemArray[i][0] ; 	// stel hier je pointer in
			}
			j++;
		}
		// select first item (prompt) for sub list
		selectCtrl.options[0].selected = true;
		   }
		}

function checkForm() {	// check op invoer selectiemenuutje
	if (document.regios.reiscode.value.length == 0) {
		alert("Je hebt geen bestemming gekozen");
		return false;
		}
	}

function checkRC() {
errmsg='';
document.returnValue = (errmsg == '');

reisc = new Array(
"KCF",
"KTF",
"TCF",
"TZF",
"ZAF",
"ZWF",
"CHF",
"INF",
"ISF",
"IMF",
"MSF",
"MBF",
"SLF",
"THF",
"VIF",
"BWF",
"FFW",
"IWF",
"ICF",
"PIF",
"SPF",
"XSF",
"CRF",
"CUF",
"ECF",
"PEF",
"EGF",
"JOF",
"MAF",
"TRF",
"CAF",
"USF"
);
var fout=1
for (i = 0; i < reisc.length; i++) {
  if (toUpperCase(document.regios2.reiscode.value) == reisc[i] ) {
    fout = 0
  }
}

if (fout == 1) {
errmsg="Deze reiscode komt niet voor !<br>"
messageWindow('Boekingsformulier','De volgende fouten zijn geconstateerd',errmsg,350,300);
document.returnValue = (errmsg == '');}

}