$(document).ready(function() { 		

	$("#username").focus();

	$("#button").bind("click",function(e){
		UpdateList();										  
	});


	$("#username").bind("keypress",function(e){
											   
		if(e.keyCode==13) {
			UpdateList();	
			return false;
		}	
		
	});

});


function UpdateList() {

	var username  =($("#username").val() == null)?"":$("#username").val();

	var url ="ajax_simple_result.php?username="+username;	
	UpdateArea(url,$("#listcontainer"),"ajax-loading",220);
}