function xmlhttpPost(strURL, resdiv) {
		document.getElementById(resdiv).innerHTML = '<small>Loading..</small>';
		var xmlHttpReq = false;
		var self = this;
		// Mozilla/Safari
		if (window.XMLHttpRequest) {
			self.xmlHttpReq = new XMLHttpRequest();
		}
		// IE
		else if (window.ActiveXObject) {
			self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
		}
		self.xmlHttpReq.open('POST', strURL, true);
		self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		self.xmlHttpReq.onreadystatechange = function() {
			if (self.xmlHttpReq.readyState == 4) {
				updatepage(self.xmlHttpReq.responseText, resdiv);
			}
		}
		self.xmlHttpReq.send('');
	return false;
}


function updatepage(str, resdiv){
    document.getElementById(resdiv).innerHTML = str;
}

function menu_goto(menuform)
{
  var baseurl = 'http://www.brendenisteaching.com/books' ;
  selecteditem = menuform.url.selectedIndex ;
  newurl = menuform.url.options[ selecteditem ].value ;
  if (newurl.length != 0) {
    location.href = baseurl + '/browse-' + newurl ;
  }
}