function LogIn() {
	var username = $("#username").attr("value");
	var password = $("#password").attr("value");
	
	var url = sys_url;
	
	url = url.replace(/%arg1%/,'login');
	url = url.replace(/%arg2%/,'validate');
	url = url.replace(/%arg3%/,'');
	
	var indexurl = sys_url;
	indexurl = indexurl.replace(/%arg1%/,'cp');
	indexurl = indexurl.replace(/%arg2%/,'');
	indexurl = indexurl.replace(/%arg3%/,'');
	
	$.post(url, {"username": username, "password": password}, function(data) {
		//alert(data);
		if (data == "OK") {
			document.location.href = indexurl;
		} else {
			$("#username").addClass('ui-state-error');
			$("#password").addClass('ui-state-error');
		}
	});
}