function checkform ( form )
{
  if (form.email.value == "") {
    alert( "Please enter your email account." );
    form.email.focus();
    return false ;
  }
  
  if (form.cmpnyName.value == "") {
    alert( "Please enter your company name." );
    form.cmpnyName.focus();
    return false ;
  }

  if (form.address1.value == "") {
    alert( "Please enter your address 1." );
    form.address1.focus();
    return false ;
  }

  //if (form.address2.value == "") {
    //alert( "Please enter your address 2." );
    //form.address2.focus();
    //return false ;
  //}

  if (form.city.value == "") {
    alert( "Please enter your city." );
    form.city.focus();
    return false ;
  }

  if (form.country.value == "") {
    alert( "Please select your country." );
    form.country.focus();
    return false ;
  }

  //if (form.website.value == "") {
    //alert( "Please enter your website URL." );
    //form.website.focus();
    //return false ;
  //}

  if (form.firstName.value == "") {
    alert( "Please enter your first name." );
    form.firstName.focus();
    return false ;
  }

  if (form.lastName.value == "") {
    alert( "Please enter your last name." );
    form.lastName.focus();
    return false ;
  }

  if (form.jobTitle.value == "") {
    alert( "Please enter your job title." );
    form.jobTitle.focus();
    return false ;
  }

  if (form.jobFunction.value == "") {
    alert( "Please select your job function." );
    form.jobFunction.focus();
    return false ;
  }

  //if (form.phoneNo.value == "") {
    //alert( "Please enter your phone no." );
    //form.phoneNo.focus();
    //return false ;
  //} 

  if (form.ext.value != "") {
    var validDigit = "0123456789";
    var ok = "yes";
    var temp;
    
    for(var i=0; i<form.ext.value.length; i++){
    	temp = "" + form.ext.value.substring(i, i+1);
        if (validDigit.indexOf(temp) == "-1"){
  	   ok = "no";
  	}
    }
    if (ok == "no") {
    	alert("Please enter numbers only for ext value.");
        form.ext.focus();
    	return false ;
    }
  }
  
  if (form.mobile.value == "") {
    alert( "Please enter your mobile." );
    form.mobile.focus();
    return false ;
  }

  return true ;
}