function navHover(blnHovered,objCaller,strCallerImage,strLang){
  strCallerName=objCaller.name.replace("nav_","");
  eval("imgNavStem=document.getElementById('nav_stem_"+strCallerName+"')");

  if(blnHovered){
    objCaller.style.cursor="pointer";
    objCaller.src="/"+strLang+"/images/nav_"+strCallerImage+"_hvr.gif";
    imgNavStem.src="/images/nav_stem_hvr.gif";
  }
  else{
    eval("divSubMenu=document.getElementById('nav_submenu_"+strCallerName+"')");
    if(divSubMenu==null || divSubMenu.style.display=="none"){
      objCaller.style.cursor="default";
      objCaller.src="/"+strLang+"/images/nav_"+strCallerImage+".gif";
      imgNavStem.src="/images/nav_stem.gif";
    }
  }
}

function launchWindow(popupUrl,popupWidth,popupHeight){
  now=new Date();
  uniqueName=now.getTime();
  window.open(popupUrl,uniqueName,"toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width="+popupWidth+",height="+popupHeight);
}