var xmlDoc;
var globalObj = null;

function blank(){
	
	var XMLHttpRequestObject = false;
	if (window.XMLHttpRequest) {
	XMLHttpRequestObject = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	if(XMLHttpRequestObject) {
	var main = document.getElementById('info');
	var url = "blank.html";
	
	XMLHttpRequestObject.open("GET", url, true);
	XMLHttpRequestObject.onreadystatechange = function()
	{
	if (XMLHttpRequestObject.readyState == 4 &&
	XMLHttpRequestObject.status == 200) {
	main.innerHTML = XMLHttpRequestObject.responseText;
	
	}
	}
	XMLHttpRequestObject.send(null);	
	}
	
	

}

function menu(cat){
	
	var XMLHttpRequestObject = false;
	if (window.XMLHttpRequest) {
	XMLHttpRequestObject = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	if(XMLHttpRequestObject) {
	var main = document.getElementById('info');
	var url = cat+".html";
	
	XMLHttpRequestObject.open("GET", url, true);
	XMLHttpRequestObject.onreadystatechange = function()
	{
	if (XMLHttpRequestObject.readyState == 4 &&
	XMLHttpRequestObject.status == 200) {
	main.innerHTML = XMLHttpRequestObject.responseText;
	
	}
	}
	XMLHttpRequestObject.send(null);	
	}
	

}

function chart(cat){
	
	var XMLHttpRequestObject = false;
	if (window.XMLHttpRequest) {
	XMLHttpRequestObject = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	if(XMLHttpRequestObject) {
	var main = document.getElementById('info');
	var url = "chart"+cat+".html";
	
	XMLHttpRequestObject.open("GET", url, true);
	XMLHttpRequestObject.onreadystatechange = function()
	{
	if (XMLHttpRequestObject.readyState == 4 &&
	XMLHttpRequestObject.status == 200) {
	main.innerHTML = XMLHttpRequestObject.responseText;
	
	}
	}
	XMLHttpRequestObject.send(null);	
	}
	

}