help with creating validation plugin

[mihov123]

Hello
This is my first time creating a plugin.I am trying to make a plugin that will validate whether input field is emty or not.
My problem is with keyup() function if I call it as I did in 1.php it works fine, but I want to put keyup() in plugin as I did in vall.js, it is commented out $(this).keyup(function() it is not working. Should I place keyup() somewhere else or make a separate keyup() function.
Later I want to add keyup(),focus()… to options so I can just write keyup:true or something like that.
Thank you
this is val.js

( function($){




$.fn.validation = function(options) {




var settings= {required: '',rqrmsg:''};





if(options){$.extend(settings, options); }

var options = $.extend(settings, options);



// $(this).keyup(function() {



if(options.required == 'true') {

var error = 0;

var elem1 = $(this).val();

if (elem1 == '') {

error = 1;

this.css({'border':'Solid 1px Yellow','background-color':'red'}).next().fadeIn('fast').text(options.rqrmsg)



}else{

error;



$(this).css({'border':'Solid 1px Yellow','background-color':'green'}).

next().fadeOut();

}

error;



}



//});





};




})(jQuery);

this is where I am calling the main jquery file
1.php

< script src="http://code.jquery.com/jquery-latest.js">

< script src="val.js">

<form id='targets' name='targets' action='' method='post' >
<span class="">Email</span>
<input type='text' name='test' id='email' /><span class="error"></span> </br>
<input type='text' name='test1' id='miho' /><span class="error"></span> </br>
<input type='submit' value='Save' id='save'/>
</form>

< script>
$(document).ready(function() {
$('#email').keyup(function() {

$('#email').validation({required:'true',rqrmsg:'sdkgjfikshrik'});
});
$('#miho').keyup(function() {
$(this).validation({required:'true',rqrmsg:'miso'});
});

});

< /script>

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