extravert,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
</head>
<body>
<script type="text/javascript">
function calc() {
var type_exp1 = document.getElementById("type_exp1");
var type_exp2 = document.getElementById("type_exp2");
var type_exp3 = document.getElementById("type_exp3");
var type_exp4 = document.getElementsByName('type_exp4');
var price = 0;
for (var i = 0; i < type_exp4.length; i++)
if (type_exp4[i].checked) {
price += +type_exp4[i].value;
}
document.getElementById("result_exp4").innerHTML = price;
//Result
var result = document.getElementById("result");
var price_exp1 = 0;
var price_exp2 = 0;
var price_exp3 = 0;
price_exp1 += (type_exp1.checked == true) ? parseInt(type_exp1.value) : 0;
price_exp2 += (type_exp2.checked == true) ? parseInt(type_exp2.value) : 0;
price_exp3 += (type_exp3.checked == true) ? parseInt(type_exp3.value) : 0;
price += price_exp1 + price_exp2 + price_exp3;
result_exp1.innerHTML = price_exp1;
result_exp2.innerHTML = price_exp2;
result_exp3.innerHTML = price_exp3;
result.innerHTML = price;
}
</script>
<table width="600">
<tr>
<td colspan="3" width="500">
<input type="checkbox" onchange="calc()" value="1500" id="type_exp1" />test1</td>
<td width="200"><span id="result_exp1">0</span> руб.</td>
</tr>
<tr>
<td colspan="3" width="500">
<input type="checkbox" onchange="calc()" value="1500" id="type_exp2" />test2</td>
<td width="200"><span id="result_exp2">0</span> руб.</td>
</tr>
<tr>
<td colspan="3" width="500">
<input type="checkbox" onchange="calc()" value="1500" id="type_exp3" />test3</td>
<td width="200"><span id="result_exp3">0</span> руб.</td>
</tr>
<tr>
<td width="200">
<input type="radio" onchange="calc()" value="1000" name="type_exp4" />test4</td>
<td width="200">
<input type="radio" onchange="calc()" value="1500" name="type_exp4" />test4</td>
<td width="200">
<input type="radio" onchange="calc()" value="2000" name="type_exp4" />test4</td>
<td width="200"><span id="result_exp4">0</span> руб.</td>
</tr>
<!-- Итог -->
<tr>
<td colspan="3" width="500" class="td_result">ИТОГО:</td>
<td class="td_result"><span id="result">0</span> руб.</td>
</tr>
</table>
</body>
</html>