var y = 2;

	function insRow() {
		var x = document.getElementById('deelnemers').insertRow(-1);
		var td = document.createElement('td');

		td.innerHTML = 'Deelnemer '+y+':';
		td.setAttribute('class', 'formlabel'); 
		x.appendChild(td);

		var td2 = document.createElement('td');
		td2.innerHTML = '<input type="text" name="deelnemer_'+y+'" size="30" class="field" />';
		x.appendChild(td2);

		var td3 = document.createElement('td');
		td3.innerHTML = '<select name="tocht_'+y+'" class="field"><option value="0" selected>afstand<option value="25">25 km fietsen (4 EUR)<option value="50">50 km  fietsen (5 EUR)<option value="90">100 km  fietsen (5 EUR)</select>';
		x.appendChild(td3);

		var td4 = document.createElement('td');
		td4.innerHTML = '<select name="lid_'+y+'" class="field"><option value="niet" selected>Niet aangesloten<option value="bbr">BBR<option value="wbv">WBV<option value="vbw">VBW</select>';
		x.appendChild(td4);

		y++;
	}