Лена Лапина,
можно узнать зачем скрипт?
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
.RadioClass{
display: none;
}
.RadioLabelClass:hover{
text-decoration: underline;
}
.RadioLabelClass{
background: url("http://s45.radikal.ru/i110/1602/0d/4771bfde5a88.png") no-repeat;
padding-left: 30px;
padding-top: 3px;
margin: 5px;
height: 28px;
width: 70px;
display: block;
float: left;
}
.RadioClass:checked + label
{
background: url("http://s019.radikal.ru/i622/1602/23/71f64738381e.png") no-repeat;
}
</style>
<title></title>
</head>
<body>
<input id="Radio1" type="radio" class="RadioClass" name="group1" checked="checked" >
<label id="Label1" for="Radio1" class="RadioLabelClass">Radio 1</label>
<input id="Radio2" type="radio" class="RadioClass" name="group1"/>
<label id="Label2" for="Radio2" class="RadioLabelClass">Radio 2</label>
<input id="Radio3" type="radio" class="RadioClass" name="group1"/>
<label id="Label3" for="Radio3" class="RadioLabelClass">Radio 3</label>
</body>
</html>