var tabPrefix		= 'xload-';

function loadX(url, tabNum) {
	var xmlhttp = null;
	if (window.XMLHttpRequest) {// Firefox, Opera, IE7
		xmlhttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {// IE6, IE5
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if (xmlhttp != null) {
		xmlhttp.onreadystatechange = function() { onloadX(xmlhttp, tabNum); };
		xmlhttp.open("GET", url, true);
		xmlhttp.send(null);
	}
	else {
		// browser does not support XMLHTTP
	}
}

function onloadX(xmlhttp, tabNum) {
	if (xmlhttp.readyState == 4) {
		if (xmlhttp.status == 200) {
			document.getElementById(tabPrefix + tabNum).innerHTML = '<br style="display:none">' + xmlhttp.responseText;
		}
		else {
			document.getElementById(tabPrefix + tabNum).innerHTML = "failed to load pricelist";
		}
	}
}