$(document).ready(function(){  
	$("#submitcred").click(submitcred);  
}); 
		
function submitcred(){     

	var username = $("#username").val();
	if (username.length>0){
	dataString = 'username='+username;
	$.ajax({  
		type: "POST",  
		url: "process.php5",  
		data: dataString,  
		success: function()	{  
				$('#submitcred').attr("value", "username registered");
		}  
	});
}
}