/* Navigation Functions */
function mouseOver1()
{document.getElementById('homebutton').src ="menubuttons/onhome.jpg";}
function mouseOut1()
{document.getElementById('homebutton').src ="menubuttons/offhome.jpg";}
function mouseOver2()
{document.getElementById('sciencebutton').src ="menubuttons/onscience.jpg";}
function mouseOut2()
{document.getElementById('sciencebutton').src ="menubuttons/offscience.jpg";}
function mouseOver3()
{document.getElementById('spacecraftbutton').src ="menubuttons/onspacecraft.jpg";}
function mouseOut3()
{document.getElementById('spacecraftbutton').src ="menubuttons/offspacecraft.jpg";}
function mouseOver4()
{document.getElementById('outreachbutton').src ="menubuttons/onoutreach.jpg";}
function mouseOut4()
{document.getElementById('outreachbutton').src ="menubuttons/offoutreach.jpg";}
function mouseOver5()
{document.getElementById('presentationsbutton').src ="menubuttons/onpresentations.jpg";}
function mouseOut5()
{document.getElementById('presentationsbutton').src ="menubuttons/offpresentations.jpg";}
function mouseOver6()
{document.getElementById('teamsbutton').src ="menubuttons/onteams.jpg";}
function mouseOut6()
{document.getElementById('teamsbutton').src ="menubuttons/offteams.jpg";}

function popup(msg,id)
  {
  var content='<table class="popup" cellpadding="3px" cellspacing="0px"><tr><td>'+msg+'</td></tr></table>';
  document.getElementById('popup').innerHTML=content;
  document.getElementById('popup').style.visibility='visible';
  }
  	
function closer()
  {
  document.getElementById('popup').style.visibility='hidden';
  }

function showPos(e)
 {
  e = (e) ? e : window.event;
  var element = (e.target) ? e.target: e.srcElement;
  var left = element.offsetLeft;
  var top  = element.offsetTop;
  while(element=element.offsetParent)
  {
      left += element.offsetLeft;
      top  += element.offsetTop;
  }
  document.getElementById('popup').style.top=top+20+'px';
  document.getElementById('popup').style.left=left-3+'px';
 }
 
var update="2-4-09"