function GetXmlHttpObject(handler) {
	var objXMLHttp=null
	if (window.XMLHttpRequest) {
		objXMLHttp=new XMLHttpRequest()
	} else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}

function checkField(fld,val) {
	if (fld.value==val) fld.value = '';
}

function submitSearch() {
	el = document.getElementById('searchfld');
	if (el.value=='' || el.value=='...') alert ('Vul een zoekterm in!');
	else document.getElementById('searchfrm').submit();
}