var localPath = "http://192.168.1.99/pjobs/61/live/mediagurus/";
var stagingPath = "http://203.76.12.61/staging/mediagurus/";

if (document.images) {
    // add images into this array
    imgNames = new Array ("home","home_ov","workshops","workshops_ov","consultancy","consultancy_ov","team","team_ov","links","links_ov");
    rolloverImgs = new Array();

    for (i=0; i<imgNames.length; i++) {
        rolloverImgs[imgNames[i]] = new Image();

        if (top.location.href.lastIndexOf("192.168.1.99") != -1) {
            rolloverImgs[imgNames[i]].src = localPath + "images/buttons/"+imgNames[i]+".gif"
        } else if (top.location.href.lastIndexOf("203.76.12.61") != -1) {
            rolloverImgs[imgNames[i]].src = stagingPath + "images/buttons/"+imgNames[i]+".gif"
        } else /* live */ {
            rolloverImgs[imgNames[i]].src = "/images/buttons/"+imgNames[i]+".gif";
        }
        //document.write(imgNames[i] + ": " + rolloverImgs[imgNames[i]].src + "<br>");
    }
}

function swapImgs(img1,img2) {
    if (document.images) {
        document[img1].src = rolloverImgs[img2].src;
    }
}

function popup(pagename,swidth,sheight,scroll) {
    /* make the window pop up in the middle of the screen */
    y_pos = (screen.height-sheight)/2;
    x_pos = (screen.width-swidth)/2;

    app1="toolbar=no";
    app2="width="+swidth;
    app3="height="+sheight;
    app4="menubar=no";
    app5="resizable=no";
    app6="scrollbars="+scroll;
    app7="left="+x_pos;
    app8="top="+y_pos;
    app=app1+","+app2+","+app3+","+app4+","+app5+","+app6+","+app7+","+app8;
    window.open(pagename,"",app);
}