var regExpURL=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
function formcheck(){
if(document.enquiry_form.name.value==""){
alert("Please add your name");
document.enquiry_form.name.focus();
return false;
}
if(document.enquiry_form.phone.value==""){
alert("Please add your phone number");
document.enquiry_form.phone.focus();
return false;
}
if(document.enquiry_form.email.value!=""){
if(!regExpURL.test(document.enquiry_form.email.value)){
alert("The e-mail address entered is not valid, please correct");
document.enquiry_form.email.select();
return false;
}
}
if(document.enquiry_form.dates.value==""){
alert("Please include the dates for which you want to query availability");
document.enquiry_form.dates.focus();
return false;
}
}