//load images
/*
if(document.images) {
    var imgs = new Array();
    imgs[0] = new Image(); 
    imgs[0].src = "/css/currentprojects.gif";
    imgs[1] = new Image(); 
    imgs[1].src = "/css/currentprojects2.gif";
    imgs[2] = new Image(); 
    imgs[2].src = "/css/collaborations.gif";
    imgs[3] = new Image(); 
    imgs[3].src = "/css/collaborations2.gif";
    imgs[4] = new Image(); 
    imgs[4].src = "/css/pastprojects.gif";
    imgs[5] = new Image(); 
    imgs[5].src = "/css/pastprojects2.gif";
    imgs[6] = new Image(); 
    imgs[6].src = "/css/otherinfo.gif";
    imgs[7] = new Image(); 
    imgs[7].src = "/css/otherinfo2.gif";
    imgs[8] = new Image(); 
    imgs[8].src = "/css/sky_fixed-1.jpg";


	
} */





//image rollover
function swap(name, img) {
    if(document.images) {
        document.images[name].src = imgs[img].src;
	    document.images[name].alt = imgs[img].alt;
    }
}

//text rollover
function rollIt(name) {

}

//ajax content replacement
function swapContent(url,id) {

    if (document.getElementById) {
        var xmlHTTP = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
    }
    if (xmlHTTP) {
        xmlHTTP.onreadystatechange = function() {
            if (xmlHTTP.readyState == 4 && xmlHTTP.status == 200) {
                var location = document.getElementById(id);
                location.innerHTML = xmlHTTP.responseText;
            } else if (xmlHTTP.status == 404) {
                alert ("Requested URL is not found.");
            } else if (xmlHTTP.status == 403) {
                alert("Access denied.");
            } 
        }
    xmlHTTP.open("GET", url, true);
    xmlHTTP.send(null);
    }
	//document.write("xmlHTTP status: " + xmlHTTP.status);

}