addEvent(window, 'load', addListeners, false);

function addEvent(elm, evType, fn, useCapture)
// cross-browser event handling for IE5+, NS6+ and Mozilla/Gecko
// By Scott Andrew
{
if (elm.addEventListener) {
elm.addEventListener(evType, fn, useCapture);
return true;
} else if (elm.attachEvent) {
var r = elm.attachEvent('on' + evType, fn);
return r;
} else {
elm['on' + evType] = fn;
}
}


function addListeners() {
var tem = document.getElementById("searchbox_013734937146483295687:ctwn8tyeczs");
addEvent(tem.q, 'click', clearField, false);
tem.q.style.color='grey';
}

function clearField(){
if(this.value =='Voer uw zoekterm in'){
	this.value='';
	
	}	
	this.style.color='black';
}