function validateForm()
{
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = submit.email.value;
   var minLength = 6;
   var inv = ' ';
 
if( submit.name.value == '' ){
 alert('Name is required!');
 submit.name.focus();
return false;
}
else if( submit.lastname.value == '' ){
 alert('Last Name is required!');
 submit.lastname.focus();
return false;
}
else if( submit.email.value == '' ){
 alert('Email Field is required!');
 submit.email.focus();
return false;
}
else if(reg.test(address) == false) {
      alert('Invalid Email Address');
      submit.email.focus();
      return false;
   }
else if( submit.phone.value == '' ){
 alert('Phone Field is required!');
 submit.phone.focus();
return false;
}
else if( submit.comments.value == '' ){
 alert('Please provide us with as much information as possible');
 submit.comments.focus();
return false;
} 
else{
return true;
}
}