function imgLoadCheck(){;}
function preLoadImg(){
  imgLd=new Image()
  imgLd.onload=(ie4||ff)?imgLoadCheck:imgLoadCheck();
  imgLd.src='img/envelovr.gif'

  imgLd=new Image()
  imgLd.onload=(ie4||ff)?imgLoadCheck:imgLoadCheck();
  imgLd.src='img/grbritovr.gif'

  return false
}

function posColorMap(){
  defSize()
//  alert("posColorMap - available_width: "+available_width)
  leftEdg=available_width/2-leftShift
  if(!ie4 && !ff)leftEdg-=8
  if(leftEdg<marg)leftEdg=marg
  if(leftEdge==0)leftEdge=leftEdg
  else if(leftEdge>leftEdg){
    leftEdge=leftEdg
  }
//  alert("posColorMap - leftEdge: "+leftEdge)
  makeObj('mapOvr').left=leftEdge+38
  makeObj('mapOvr').top=161
}
function colorMapShow(){
  makeObj('mapOvr').visibility=vis
}
function colorMapHide(){
  makeObj('mapOvr').visibility=hid
}