function isblank(s) {
   for(var i = 0; i < s.length; i++) {
	var c = s.charAt(i);
	if ((c != ' ') && (c != '\n') && (c != '\t')) return false;
   }
   return true;
}


function check_valid(f){
//f = the form being checked
var emptyfields= "";
var error = "";
var msg;
   
   if ((f.email.value==""&&f.phone.value=="")||(f.name.value==""&&f.phone.value=="")){
	emptyfields += "\n                     Please enter your Name and Email, OR a Phone Number";
	}
   if (!emptyfields && !error) return true;

//   msg = "________________________________________________________\n\n";
//   msg += "The form was not submitted because of the following error(s).\n";
//   msg += "Please correct these error(s) and resubmit.\n";
//   msg += "________________________________________________________\n\n";
   if (emptyfields) {
//   msg += "The following required field(s) are empty:" + emptyfields + "\n";
     msg = emptyfields;
   }
   msg += error;
   alert(msg);
   return false;
}

function check_valid_ask_expert(f){
//f = the form being checked
var emptyfields= "";
var error = "";
var msg;
  if ((f.email.value==""&&f.phone.value=="")||(f.name.value==""&&f.phone.value=="")){
	emptyfields += "\n                     Please enter your Name and Email, OR a Phone Number";
	}
   if (!emptyfields && !error) return true;

//   msg = "________________________________________________________\n\n";
//   msg += "The form was not submitted because of the following error(s).\n";
//   msg += "Please correct these error(s) and resubmit.\n";
//   msg += "________________________________________________________\n\n";
   if (emptyfields) {
//   msg += "The following required field(s) are empty:" + emptyfields + "\n";
     msg = emptyfields;
   }
   msg += error;
   alert(msg);
   return false;
}