function ev_CustomKeyDownHandler()
{
    // ANWB	handle CTRL-F5 (replace content of element with current date)
    if (event.ctrlKey && event.keyCode == 116) {
        var oTarget = event.srcElement;
        var oNow = new Date();
        var sDate = (oNow.getDate()<10?'0':'') + oNow.getDate() + '-' + ((oNow.getMonth()+1)<10?'0':'') + (oNow.getMonth()+1) + '-' + oNow.getFullYear();

        if (oTarget != null && oTarget.maxLength >= sDate.length) {
            oTarget.value = sDate;
            dtSelectText(oTarget);
            oTarget.onchange();
        }
        event.cancelBubble = true;
        event.returnValue = false;
    }
}

function ev_CustomKeyUpHandler()
{

}

function ev_onclickPostcodeSelect()
{
	if (event.srcElement.value=="True") {
		// postcode check enabled
		document.all.txtStraat.disabled=true;
		document.all.txtHuisnummer.disabled=true;
		document.all.txtPostcode.disabled=true;
		document.all.txtLand.disabled=true;
		document.all.txtLandDeel.disabled=true;
		document.all.txtPlaats.disabled=true;

		document.all.txtPostcodeLand.disabled=false;
		document.all.txtPostcodePostcode.disabled=false;
		document.all.txtPostcodeHuisnummer.disabled=false;
	} else {
		// manual input enabled
		document.all.txtPostcodeLand.disabled=true;
		document.all.txtPostcodePostcode.disabled=true;
		document.all.txtPostcodeHuisnummer.disabled=true;

		document.all.txtStraat.disabled=false;
		document.all.txtHuisnummer.disabled=false;
		document.all.txtPostcode.disabled=false;
		document.all.txtLand.disabled=false;
		document.all.txtLandDeel.disabled=false;
		document.all.txtPlaats.disabled=false;
	}
}