// JavaScript Document

function ajaxGet(url, divid) {
	var http = false;
	if(navigator.appName == "Microsoft Internet Explorer") {
		http = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	else {
		http = new XMLHttpRequest();
	} 

	http.open("GET", url, true);
	http.onreadystatechange = function() {
		if(http.readyState == 4) {
			document.getElementById(divid).innerHTML = http.responseText;
		}
	}
	http.send(null);
}

function homepageImage(boxid) {
	var html = "";
	if (boxid == 1) {
		html = "<a href='/index.php/announcements/31-icsu-belmont-forum-document'><img border='0' src='/images/stories/homepage_slideshow/igfa_home_1.png'></a>";
	}
	if (boxid == 2) {
		html = "<a href='/index.php/announcements/32-icsu-earth-system-visioning'><img border='0' src='/images/stories/homepage_slideshow/igfa_home_2.png'></a>";
	}
	if (boxid == 3) {
		html = "<a href='/index.php/announcements/30-planet-under-pressure'><img border='0' src='/images/stories/homepage_slideshow/igfa_home_3.png'></a>";
	}
	document.getElementById('content_main_image').innerHTML = html;
	setTimeout("window.location=window.location;", 5000);
}