function dateSelector(form,fieldname){
 form.elements[fieldname].value = eval("form.elements['year["+fieldname+"]'].options[form.elements['year["+fieldname+"]'].selectedIndex].value");
 form.elements[fieldname].value += "-";
 form.elements[fieldname].value += eval("form.elements['month["+fieldname+"]'].options[form.elements['month["+fieldname+"]'].selectedIndex].value");
 form.elements[fieldname].value += "-";
 form.elements[fieldname].value += eval("form.elements['day["+fieldname+"]'].options[form.elements['day["+fieldname+"]'].selectedIndex].value");
}

function statusbar(x) {
	if(!x)
		x = 'Kunstbende Admin'
	status=x;
}

function changeActive(f,e,n){
	n=(n)?n:1;
	for (var i = 0; i < f.elements.length; i++) {
		if(f.elements[i] == e){
			for (var j = 1; j < n+1; j++)
				(f.elements[i].checked)?f.elements[i+j].disabled = false:f.elements[i+j].disabled = true;				
		}
	}
}

function checkForm(that){
	error= '';
	errorbase = 'De volgende items zijn niet correct ingevuld:\n\n';
	for(i=0;i<fieldCheck.length;i++){
		var filter = eval("filterCheck["+fieldCheck[i][1]+"]");
		var value = eval("that.elements['"+fieldCheck[i][0]+"'].value")
		if (!filter.test(value))
			error += fieldCheck[i][2]+"\n";
	}	
	if(error) {
		alert(errorbase+error);
		return false;
	}
	else
		return true;
}

function maxLength(field, maxlimit) {
	if (field.value.length > maxlimit)
		field.value = field.value.substring(0, maxlimit);
}

function openURL(url) {
	if (url)
		document.location.href=url;
	else 
		return false;
}

/*	
function NSclick(e) {
	if (navigator.appName=="Netscape" && parseInt(navigator.appVersion)==4) { 
		if (e.which == 3) {
			return false;
		}
	}
	if (navigator.appName=="Netscape" && parseInt(navigator.appVersion)>=5) { 
    		if (e.button == 2 || e.button == 3) {
      			e.preventDefault();
			return false;
  		}
	}
}

if (navigator.appName=="Netscape" && parseInt(navigator.appVersion)==4) { 
	document.onmousedown=NSclick;
	document.captureEvents(Event.MOUSEDOWN);
}
if (navigator.appName=="Netscape" && parseInt(navigator.appVersion)>=5) { 
	document.onmouseup=NSclick;
}
if (navigator.appName=="Microsoft Internet Explorer") { 
	document.oncontextmenu = new Function("return false;")
}
*/