function openWindow(loc)
{
  window.open(loc, 'window',
	     'toolbar=yes,location=yes,directories=yes,status=yes,dependent=yes,' +
	     'menubar=yes,scrollbars=yes,resizable=yes,width=600,height=400') ;
  return false ;
}

var msgdiv = null ;
var triangleOn = null ;
var triangleOff = null ;

function hilight(obj, src, msg)
{
  // confirm(triangleOff) ;

  if( triangleOn != null ) {
    triangleOn.src = triangleOff ;
  }
  if( msg != null ) {
    triangleOn = obj ;
    triangleOff = obj.src ;
  } else {
    triangleOn = null ;
    triangleOff = null ;
  }
  obj.src = src ;


    if(msgdiv != null) {
      msgdiv.style.display = 'none' ;
    }
    if(msg != null) {
    var div = document.getElementById(msg) ;
    if(div != null) {
      div.style.display = '' ;
      msgdiv = div ;
    }
  }
}

function overviewOn(obj) {hilight(obj, 'WSR/overview2.gif', "overview2") ;}
function specOn(obj) {hilight(obj, 'WSR/spec2.gif', "spec2") ;}
function configurationOn(obj) {hilight(obj, 'WSR/configuration2.gif', "configuration2") ;}
function eventSeminarOn(obj) {hilight(obj, 'WSR/eventSeminar2.gif', "eventSeminar2") ;}
function casestudyOn(obj) {hilight(obj, 'WSR/casestudy2.gif', "casestudy2") ;}
function publicationsOn(obj) {hilight(obj, 'WSR/publications2.gif', "publications2") ;}
function partnerOn(obj) {hilight(obj, 'WSR/partner2.gif', "partner2") ;}
function supportOn(obj) {hilight(obj, 'WSR/support2.gif', "support2") ;}
function aboutusOn(obj) {hilight(obj, 'WSR/aboutus2.gif', "aboutus2") ;}

function mousedown()
{
  if(triangleOn != null) {
    triangleOn.src = triangleOff ;
  }
}

function topOnLoad()
{
  var ix = document.getElementById("overview1Img") ;
  if(ix != null) {
    overviewOn(ix) ;
  }
}