// check for username in system
$(document).ready(function() {
	$('#usernameLoading').hide();
	$('#fld_username').blur(function(){
	  $('#usernameLoading').show();
      $.post("/pub/check.php", {
        username: $('#fld_username').val()
      }, function(response){
        $('#usernameResult').fadeOut();
        setTimeout("finishAjax('usernameResult', '"+escape(response)+"')", 600);
      });
    	return false;
	});
});

// check for email in system
$(document).ready(function() {
	$('#usernameLoading').hide();
	$('#fld_email_work').blur(function(){
	  $('#usernameLoading').show();
      $.post("/pub/check_email.php", {
        email: $('#fld_email_work').val()
      }, function(response){
        $('#usernameResult').fadeOut();
        setTimeout("finishAjax('usernameResult', '"+escape(response)+"')", 600);
      });
    	return false;
	});
});


function finishAjax(id, response) {
  $('#usernameLoading').hide();
  $('#'+id).html(unescape(response));
  $('#'+id).fadeIn();
}

// check name field
function checkName(strng) {
	var error="";
	if (strng == "") {
		error = "You didn't enter a name.\n";
	}
	return error;
}

function checkPropertyName(strng) {
	var error = "";
	if (strng.length == 0) {
		error = "You didn't enter a property name.\n";
	}

	return error;	  

}

function checkPropertyCity(strng) {
	var error = "";
	if (strng.length == 0) {
		error = "You didn't enter a property city.\n";
	}

	return error;	  

}

function checkPropertyState(strng) {
	var error = "";
	if (strng.length == 0) {
		error = "You didn't enter a property state.\n";
	}

	return error;	  

}

function checkDescription(strng) {
	var error = "";
	if (strng.length == 0) {
		error = "You didn't enter a description of your problem.\n";
	}

	return error;	  

}

function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

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


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
	var error = "";

	if (strng == "") {
	   error = "You didn't enter a phone number.\n";
	}

	var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    }
    
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// username - 4-10 chars, uc, lc, and underscore only.

function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       


// non-empty textbox

function isEmpty(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The mandatory text area has not been filled in.\n"
  }
return error;  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list

function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}