//Create array of nav bar "on" images
if (document.images) {
        nav1 = new Image();
        nav1.src = "pics/b1_on.gif";
        nav2 = new Image();
        nav2.src = "pics/b2_on.gif";
        nav3 = new Image();
        nav3.src = "pics/b3_on.gif";
        nav4 = new Image();
        nav4.src = "pics/b4_on.gif";
        nav5 = new Image();
        nav5.src = "pics/b5_on.gif";
        nav6 = new Image();
        nav6.src = "pics/b6_on.gif";
        nav7 = new Image();
        nav7.src = "pics/b7_on.gif";
        nav8 = new Image();
        nav8.src = "pics/b8_on.gif";
        nav9 = new Image();
        nav9.src = "pics/b9_on.gif";
        nav10 = new Image();
        nav10.src = "pics/b10_on.gif";
    }


//Create array of nav bar "off" images
if (document.images) {
        nav1off = new Image();
        nav1off.src = "pics/b1_off.gif";
        nav2off = new Image();
        nav2off.src = "pics/b2_off.gif";
        nav3off = new Image();
        nav3off.src = "pics/b3_off.gif";
        nav4off = new Image();
        nav4off.src = "pics/b4_off.gif";
        nav5off = new Image();
        nav5off.src = "pics/b5_off.gif";
        nav6off = new Image();
        nav6off.src = "pics/b6_off.gif";
        nav7off = new Image();
        nav7off.src = "pics/b7_off.gif";
        nav8off = new Image();
        nav8off.src = "pics/b8_off.gif";
        nav9off = new Image();
        nav9off.src = "pics/b9_off.gif";
        nav10off = new Image();
        nav10off.src = "pics/b10_off.gif";
    }



//function to activate images

function imgOn(imgName) {
        if (document.images) {
                document[imgName].src = eval(imgName + ".src");
        }
}

//functions to deactivate images

function imgOff(imgName) {
        if (document.images) {
                document[imgName].src = "moi.gif";
        }
}

function navOff(navName) {
        if (document.images) {
                document[navName].src = eval(navName + "off.src");
        }
}

function messageWindow(title, msg)
{
  var width="300", height="125";
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
  var msgWindow = window.open("","msgWindow", styleStr);
 
  var head = '<head><title>'+title+'</title></head>';
  var body = '<body style="margin:10px;background-color:#150690;font-family:Tahoma,Arial,Helvetica,sans-serif;font-size:0.9em;color:white;">'+msg+'<br /><center><form><input type="button" value="   Done   " onClick="self.close()"></form></center></body>';
  //var body = '<font size="-1">'+msg+'</font><br /><center><p><form><input type="button" value="   Done   " onClick="self.close()"></form></p></center>';
  msgWindow.document.write(head + body);
  msgWindow.document.bgColor="#87CEFA";
  msgWindow.document.close();
}

