// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults


// text field
function checkTextField(strng, fieldTypeString) {
  var error="";
  if (strng == "") {
     error = "Please enter " + fieldTypeString + ".\n";
  }

  return error;    
}


// email
function checkFromEmail(strng) {
  var error="";
  if (strng == "") {
    error = "Please enter your email address.\n";
  }

  var emailFilter=/^.+@.+\..{2,3}$/;
  if (!(emailFilter.test(strng))) { 
    error = "Please make sure your email address is valid.\n";
  }
  else {
  //test email for illegal characters
   var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
   if (strng.match(illegalChars)) {
     error = "Your email address contains illegal characters.\n";
   }
  }
  return error;    
}

function checkToEmail(strng) {
  var error="";
  if (strng == "") {
   error = "Please enter your friend's email address.\n";
  }
  var emailFilter=/^.+@.+\..{2,3}$/;
  if (!(emailFilter.test(strng))) { 
   error = "Please make sure your friend's email address is valid.\n";
  }
  else {
  //test email for illegal characters
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
    if (strng.match(illegalChars)) {
    error = "Your friend's email address contains illegal characters.\n";
   }
  }
  return error;    
}

// message field is not longer than 250 chars

function messageIsShort(strng) {
var error = "";
  if (strng.length > 250) {
     error = "Your message is too long. Please make it shorter than 250 characters.\n"
  }
return error;	  
}

function checkCheckBox(strng) {
	var error = "";
	if (strng.checked == false) {
		error = 'Please select the "Accept" checkbox.\n';
	}
	return error;
}