function validate_form()
{
var form = document.contform
/* ***********************************  */
if(form.phone.value ==  ""  )
{
alert("Please enter your phone number")
return false;
}
if(isNaN(form.phone.value))
{
alert("phone number must be numeric")
return false;
}
/* ***********************************  */
if(form.fax.value ==  ""  )
{
alert("Please enter your fax number")
return false;
}
if(isNaN(form.fax.value))
{
alert("fax number must be numeric")
return false;
}
/* ***********************************  */
if(form.mobil.value ==  ""  )
{
alert("Please enter your mobil number")
return false;
}
if(isNaN(form.mobil.value))
{
alert("mobil number must be numeric")
return false;
}
return true;
}