function Radio_check(obj) 
{ 
    var form = document.all.myform; 

    if (obj.value == 0) 
    { 
        mydiv1.style.display = ""; 
        mydiv2.style.display = "none"; 
        mydiv3.style.display = "none"; 
    } 
    else if (obj.value == 1) 
    { 
        mydiv1.style.display = "none"; 
        mydiv2.style.display = ""; 
        mydiv3.style.display = "none"; 
    } 
    else 
    { 
        mydiv1.style.display = "none"; 
        mydiv2.style.display = "none"; 
        mydiv3.style.display = ""; 
    } 

    form.reset(); 
}