<APPLET name="afr" code="CgmViewApplet.class" archive="cgmVA.zip" codebase="cgmva/"
      width="400" height="400" mayscript>
    <PARAM name="cgmArchive" value="cgmva/cgms/AFRICA.zip">
    <PARAM name="filename" value="Africa">
    <PARAM name="imagemap" value="Afrimap,nil.html,fullscr.html">
    <PARAM name="showHotspots" value="true">
    <PARAM name="controls" value=".Click 'Africa' for full screen"> 
    <PARAM name="eventHandler" value="afrEvent">
    Your browser does not support Java. 
</APPLET>

function showZoom(a,r) {
    z = a.getZoom();  // get current zoom setting
    r[Math.round((r.length-1)*Math.log(z)/Math.log(16))].checked = true; 
    // indicate zoom setting
}
function zoomin(a,r) {
        z = a.getZoom();  // get current zoom setting
    f = a.getZoomFactor();  // get zoom factor
        a.zoom(z*f); // set new zoom
    showZoom(a,r);
    a.render();  // now display it
}
function fixedZoom(a,f) {
    a.zoom(f);  // set fix zoom factor
    a.render();  // now display it
}
function pan(a) {
    if (a.getZoom() > 1) {
            a.setModifiers(5,1); 
            // set modifiers to meta+shift (force pan)
    }
}
function scroll(a,x,y) {
        z = a.getZoom();  // get current zoom setting
        a.scroll(50*x/z,50*y/z); 
        // scroll distance depends on zoom setting
    a.render();  // now display it
}
function zoomout(a,r) {
        z = a.getZoom(); // get current zoom setting
    f = a.getZoomFactor(); // get zoom factor
        a.zoom(z/f); // set new zoom
    showZoom(a,r)
    a.render(); // now display it
}
function zoomreset(a,r) {
        a.zoom(1);  // reset zoom to 1
    showZoom(a,r)
    a.render();  // now display it
}
function mouseMode(a,m) {
    if (m == 0) 
        a.setModifiers(0,0)
    else if (m == 1)
        a.setModifiers(0,2)
    else if (m == 2)
        a.setModifiers(4,2)
    else if (m == 3) {
        a.setModifiers(1,2)
    }
}
function find(a,t) {
        n = a.findText(t);  // search for text, returns image name
    if (n > '') {
        l = a.getLayer(); // get the layer
        c = a.getComponent();  // get component number
        z = a.getZoom();  // get zoom setting
        x = a.getX(l,n,c);  // get x-position of component
        y = a.getY(l,n,c); // get y-position of component
        a.zoom(z,x,y); // position to component
    }
    a.render();
}
function findText(a,t) {
    if ( t > '' ) find(a,t);
}
// this function handles events from applet "afr".
function afrEvent(task,device,ev) {
    showZoom(document.afr,document.nav.zoom)
}