Вопрос Проблема с Alpha Registration v2.0.12

var myDomain = '';

if ( document.domain!='localhost' ) {
	myDomain = /(http?:\/\/[^\/]+)/.exec(window.location.href)[1] + '/';
}

pic1 = new Image(16, 16); 
pic1.src = myDomain+"components/com_alpharegistration/assets/images/loader.gif";

$(document).ready(function(){   

	$("#username").keyup(function() { 
	
		var usr = $("#username").val();
		
		if(usr.length >= 4)
		{
			$("#statusUSR").html('<img src="'+myDomain+'components/com_alpharegistration/assets/images/loader.gif" align="absmiddle">&nbsp;Checking availability...');
			
		$.ajax({  
		type: "POST",  
		url: myDomain+"components/com_alpharegistration/assets/scripts/checkusername.php",
		data: "username="+ usr,  
		success: function(msg){  
	   
		$("#statusUSR").ajaxComplete(function(event, request, settings){
				
		if(msg == 'OK' )
		{ 
			$("#username").removeClass('object_error'); // if necessary
			$("#username").addClass("inputbox");
			$(this).html('&nbsp;<img src="'+myDomain+'components/com_alpharegistration/assets/images/tick.png" align="absmiddle">');
		}  
		else
		{			
			$("#username").removeClass('object_ok'); // if necessary
			$("#username").addClass("object_error");
			$(this).html(msg);			
		}  
	   
	   });
	
	 } 
	   
	  }); 
	
	}
	
	});
	
	
	//--------------------------------------------------------------------
	//----------------------- USERNAME --------------
	//--------------------------------------------------------------------
	
	
	$("#username").change(function() { 
	
	var usr2 = $("#username").val();
	
		if(usr2.length < 4)
		{
			//$("#statusUSR").html('<font color="red">Username should have at least <strong>4</strong> characters.</font>');
			$("#statusUSR").html('&nbsp;<img src="'+myDomain+'components/com_alpharegistration/assets/images/warning.png" align="absmiddle">');
			$("#username").removeClass('object_ok'); // if necessary
			$("#username").addClass("object_error");
			//$("#submitter").attr("disabled", "true");
		}
	});

		
	
	//--------------------------------------------------------------------
	//----------------------- NAME --------------
	//--------------------------------------------------------------------
	
	$("#name").change(function() { 
	
	var uname = $("#name").val();
	
	if(uname.length >= 4)
	{
			$("#name").removeClass('object_error'); // if necessary
			$("#name").addClass("inputbox");
			$("#statusNAME").html('&nbsp;<img src="'+myDomain+'components/com_alpharegistration/assets/images/tick.png" align="absmiddle">');
	
	}
	else
		{
		//$("#statusNAME").html('<font color="red">Name should have at least <strong>4</strong> characters.</font>');
		$("#statusNAME").html('&nbsp;<img src="'+myDomain+'components/com_alpharegistration/assets/images/warning.png" align="absmiddle">');		
		$("#name").removeClass('object_ok'); // if necessary
		$("#name").addClass("object_error");
		}
	
	});

$vname = strlen($name);                                                                                                      
	if ( $vname<4 )  {                                                                                                           
		JError::raiseWarning('', JText::_('ARG_NAME_4_CHARS'));                                                                 
		$this->register(JRequest::get('post'));                                                                                 
		return false;                                                                                                           
	}