function isChecked()
{

    if (document.f1.fname.value=="" || document.f1.fname.value==" ")
    {
        alert("Please fill your Name !");
        document.f1.fname.focus();
        return false;
    }

    if (document.f1.lname.value=="" || document.f1.lname.value==" ")
    {
        alert("Please fill your Name !");
        document.f1.lname.focus();
        return false;
    }

    if (document.f1.company.value=="" || document.f1.company.value==" ")
    {
        alert("Please fill your company Name !");
        document.f1.company.focus();
        return false;
    }

    if (document.f1.position.value=="" || document.f1.position.value==" ")
    {
        alert("Please fill your position !");
        document.f1.position.focus();
        return false;
    }

    if (document.f1.address.value=="" || document.f1.address.value==" ")
    {
        alert("Please fill your address !");
        document.f1.address.focus();
        return false;
    }

    if (document.f1.city.value=="" || document.f1.city.value==" ")
    {
        alert("Please fill your city !");
        document.f1.city.focus();
        return false;
    }


    if (document.f1.country.options[0].selected==true)
    {
        alert("Please Select country !.");
        document.f1.country.focus();
        return false;
    }


    if (document.f1.email.value=="" || document.f1.email.value==" ")
    {
        alert("Please fill your email !");
        document.f1.email.focus();
        return false;
    }


    if(document.f1.email.value.indexOf("@") ==-1 || document.f1.email.value.indexOf(".") ==-1 || (document.f1.email.value.charAt(document.f1.email.value.indexOf("@")+1) == ".") || (document.f1.email.value.charAt(document.f1.email.value.indexOf("@")-1) == ".") || (document.f1.email.value.charAt(document.f1.email.value.indexOf(".")+1) == "") || (document.f1.email.value.charAt(document.f1.email.value.indexOf(".")+1) == " "))
    {
        alert("Please fill your email correctly e.g leonard@crmp3.com !");
        f1.email.focus();
        return false;
    }

    var k=document.f1.email.value;
    var j=k.substring(1,0);
    var digits=" .@";
    if (digits.indexOf(j) !=-1)
    {
        alert("Please fill your email correctly e.g leonard@tesnet.com !");
        document.f1.email.focus();
        return false;
    }


    if (document.f1.phone.value=="" || document.f1.phone.value==" ")
    {
        alert("Please fill your phone No. !");
        document.f1.phone.focus();
        return false;
    }

    if (document.f1.regional.value=="0")
    {
        alert("Please select regional office !");
        document.f1.regional.focus();
        return false;
    }
    

    return true;
}