3D Card Flip - ALL BROWSERS - (with static content)

HTML

<input type="radio" checked="checked" name="Selection01" id="big01"  onclick="selection();"/><label for="big01">1</label>
  <input type="radio" name="Selection01" id="small01" onclick="selection();"/><label for="small01" >2</label>

JavaScript

function selection() {
 if (document.getElementById("small01").checked==true ) {
		   alert ('ОК');
		}
}