yegs

function changeval() {	var opts = document.forms[0].elements['service'];	var p = document.getElementById("price");	for (var i = 0; i < opts.length; i++) {		var o = opts[i];		if (o.checked) {			p.value = price[i];		}	}}function changeval2() {	var opts = document.forms[0].elements['additionalservices'];	var p = document.getElementById("addprice");	for (var i = 0; i < opts.length; i++) {		var o = opts[i];		if (o.checked) {			p.value = parseFloat(p.value) + additionalPrice[i];		}	}}