currCat = 0;
// Changes active button on menu and requests selected content from db
function goToSection(thisCat,currentCat)
{
	if (currCat == 0)
	{
		currCat = currentCat;
	}
	var a = "menu"+thisCat;
	var b = "menu"+currCat;
	var newSection = document.getElementById(a);
	newSection.className = "active";
	var oldSection = document.getElementById(b);
	oldSection.className = "";
	currCat = thisCat;
	
	newUrl = "ajax/about_us.php?section="+thisCat;
	currContent = document.getElementById('colTwo');
	currContent.innerHTML = "";
	throbberDiv = document.getElementById('ajaxLoader');
	throbberDiv.style.display = "block";
	sendRequest(newUrl,pageResponse);
}

// Displays the content for the selected section
function pageResponse()
{
	if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
	{
		throbberDiv = document.getElementById('ajaxLoader');
		throbberDiv.style.display = "none";
		
		contentDiv = document.getElementById('colTwo');
		contentDiv.innerHTML = xmlHttp.responseText;
	}
}