/* The following function creates an XMLHttpRequest object... */



function createRequestObject(){

	var request_o; //declare the variable to hold the object.

	var browser = navigator.appName; //find the browser name

	if(browser == "Microsoft Internet Explorer"){

		/* Create the object using MSIE's method */

		request_o = new ActiveXObject("Microsoft.XMLHTTP");

	}else{

		/* Create the object using other browser's method */

		request_o = new XMLHttpRequest();

	}

	return request_o; //return the object

}



/* The variable http will hold our new XMLHttpRequest object. */

var http = createRequestObject(); 



/* Function called to get the members by category */

function getMembers(category){

        http.open('get', 'functions.php?action=get_members&cat_code='+category);



	/* Define a function to call once a response has been received. This will be our

		handleProductCategories function that we define below. */

        http.onreadystatechange = handleReturn; 

	/* Send the data. We use something other than null when we are sending using the POST

		method. */

        http.send(null);

}



function getDetails(busCode) {

//	var scrollbars = obj.getTemplate("layout").getContent("scrollbars");

        http.open('get', 'functions.php?action=member_details&busCode='+busCode);

        http.onreadystatechange = handleReturn;

        http.send(null);

//	window.status = scrollbars.element().scrollTop;

}



function getAlpha(letter) {

        http.open('get', 'functions.php?action=alpha_list&alpha='+letter);

	document.forms[0].category_select.selectedIndex=0;

        http.onreadystatechange = handleReturn;

        http.send(null);

}





/* Function called to handle the list that was returned from the internal_request.php file.. */

function handleReturn(){

	/* Make sure that the transaction has finished. The XMLHttpRequest object 

		has a property called readyState with several states:

		0: Uninitialized

		1: Loading

		2: Loaded

		3: Interactive

		4: Finished */

	if(http.readyState == 4){ //Finished loading the response

		/* We have got the response from the server-side script,

			let's see just what it was. using the responseText property of 

			the XMLHttpRequest object. */

		var response = http.responseText;

		/* And now we want to change the product_categories <div> content.

			we do this using an ability to get/change the content of a page element 

			that we can find: innerHTML. */

                document.getElementById('members_cage').innerHTML = response;

	}

}