function searchbarFocus(elementname) {
	if (elementname == 'q') {
		element = document.getElementById('searchbar_keyword');
		if ( (element) && (element.value == 'Ik zoek... [vul zoekterm in]') )
			element.value = '';
	}
	if (elementname == 'z') {
		element = document.getElementById('searchbar_zipcode');
		if ( (element) && (element.value == 'Postcode') )
			element.value = '';
	}
}
function searchbarBlur(elementname) {
	if (elementname == 'q') {
		element = document.getElementById('searchbar_keyword');
		if ( (element) && (element.value == '') )
			element.value = 'Ik zoek... [vul zoekterm in]';
	}
	if (elementname == 'z') {
		element = document.getElementById('searchbar_zipcode');
		if ( (element) && (element.value == '') )
			element.value = 'Postcode';
	}
}

function seum(first, second) {
	window.location.href = 'mailto:' + first + '@' + second;
}

function addEventPart(fn) {
	for(x = 0; x < 50; x++) {
		if (document.getElementById(fn+'_spacer'+x+'_row').style.display == 'none') {
			document.getElementById(fn+'_spacer'+x+'_row').style.display = '';
			document.getElementById(fn+'_category'+x+'_row').style.display = '';
			document.getElementById(fn+'_category_text'+x+'_row').style.display = '';
			document.getElementById(fn+'_budget'+x+'_row').style.display = '';
			document.getElementById(fn+'_text'+x+'_row').style.display = '';
			return true;
		}
	}
	document.getElementById(fn+'_addbutton_row').style.display = 'none';
}

function eventUnavailable(eventid) {
	if (confirm("Weet u zeker dat dit evenement reeds is uitbesteed? Bedrijven zullen hierdoor niet meer kunnen bieden."))
		document.location.href='/evenement_uitbesteed/' + eventid;
}

function eventpartUnavailable(eventid, partid, title) {
	if (confirm("Weet u zeker dat het onderdeel " + title + " reeds is uitbesteed? Bedrijven zullen hierdoor niet meer kunnen bieden op dit onderdeel."))
		document.location.href='/evenement_uitbesteed_deel/' + eventid + '/' + partid;
}

function eventChooseOrganisor(eventid, eventorgaid, title, company) {
	if (confirm("Weet u zeker dat u " + title + " wilt toekennen aan " + company + "?"))
		document.location.href='/evenement_kies/' + eventid + '/' + eventorgaid;
}

function eventChoosePartOrganisor(eventid, eventorgaid, title, company) {
	if (confirm("Weet u zeker dat u " + title + " wilt toekennen aan " + company + "?"))
		document.location.href='/evenement_kies_deel/' + eventid + '/' + eventorgaid;
}
function toggleInvoiceAddress(disabled) {
	$("input[name^='invoiceaddress_']").attr("disabled", disabled);
}