function closeLightBox(div_id) {
	if (div_id == '') {
		document.getElementById('lightBoxOpacity').style.display = 'none';
		document.getElementById('lightBox').style.display = 'none';
		document.getElementById('someLightboxes').style.display = 'none';
	} else {
		document.getElementById('lightBoxOpacity').style.display = 'none';
		document.getElementById(div_id).style.display = 'none';
		document.getElementById('someLightboxes').style.display = 'none';
	}
}

function openLightBox(div_id) {
	if (div_id == '') {
		document.getElementById('lightBoxOpacity').style.display = 'block';
		document.getElementById('lightBox').style.display = 'block';
		document.getElementById('someLightboxes').style.display = 'block';
	} else {
		document.getElementById('lightBoxOpacity').style.display = 'block';
		document.getElementById(div_id).style.display = 'block';
		document.getElementById('someLightboxes').style.display = 'block';
	}
}

/*Usage
* var request = getHTTPObject();
* if(request){
* AJAX CODE HERE
* }
* If returns false, the browser isn't Ajax compatible.
*/
function getHTTPObject() {
	var xhr = false;//set to false, so if it fails, do nothing
	if(window.XMLHttpRequest) {//detect to see if browser allows this method
		var xhr = new XMLHttpRequest();//set var the new request
	} else if(window.ActiveXObject) {//detect to see if browser allows this method
		try {
			var xhr = new ActiveXObject("Msxml2.XMLHTTP");//try this method first
		} catch(e) {//if it fails move onto the next
			try {
				var xhr = new ActiveXObject("Microsoft.XMLHTTP");//try this method next
			} catch(e) {//if that also fails return false.
				xhr = false;
			}
		}
	}
	return xhr;
}

/*used to track different lightboxes*/
function browse(type) {
	var request = getHTTPObject();
	request.onreadystatechange = function() {
	}
	request.open("GET","/track.php?type="+type,true);
	request.send(null);
}