function check(form){ 
  if (form.title.value == "") { 
    alert("Please enter your title."); 
    form.title.focus(); 
    return false; 
  } 
  if (form.forename.value == "") { 
    alert("Please enter your first name."); 
    form.forename.focus(); 
    return false; 
  } 
  if (form.surname.value == "") { 
    alert("Please enter your surname."); 
    form.surname.focus(); 
    return false; 
  }
  if (form.mobile.value == "") { 
    alert("Please enter your mobile number."); 
    form.mobile.focus(); 
    return false; 
  }
  if (form.enqtype.value == "PleaseSelect") { 
    alert("Please choose the type of photography you require."); 
    form.enqtype.focus(); 
    return false; 
  }   
  if (form.datereqd.value == "") { 
    alert("Please enter the date you are enquiring about."); 
    form.datereqd.focus(); 
    return false; 
  }    
else{ 
return true; 
} 
}