function createRequestObject(){
	var request_o;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_o = new XMLHttpRequest();
	}
	return request_o;
}

var http = createRequestObject(); 

function getProducts(){
	http.open('get', 'request.php?action=getProducts&category='
	+ document.form.category.value);
	http.onreadystatechange = handleProducts; 
	http.send(null);
}

function getProducts_NEW(){
	http.open('get', 'request.php?action=getProducts&category='
	+ category);
	http.onreadystatechange = handleProducts; 
	http.send(null);
}

function getProduct(pid){
	http.open('get', 'request.php?action=getProduct&pid='
	+ pid);
	http.onreadystatechange = handleProducts; 
	http.send(null);
}

function setCurrency(c){
	http.open('get', 'request.php?action=setCurrency&c='
	+ c);
	http.onreadystatechange = handleProducts; 
	http.send(null);
}

function handleProducts(){
	if(http.readyState == 4){
		var response = http.responseText;
		document.getElementById('display_products').innerHTML = response;
	}
}