document.ready(function(){
  $("ElderlyCare","ChildCare","Caregivers","CarefortheDevelopmentallyDisabled","AcuteCareHospitals","RehabilitationCare", "HealthCareAgencies", "DialysisCare").invoke("hover", function(elem){
   switchTab(elem);
	 if (elem.id === currTab){
	 	return;
	 }
     if(!elem.overed){
        elem.src = elem.src.replace(".gif", "_over.gif");
        elem.overed = false;
     }
  }, function(elem){
	 if (elem.id === currTab){
	 	return;
	 }
     if(elem.overed){
        elem.src = elem.src.replace("_over.gif", ".gif");
        elem.overed = false;
     }
  });
  $(currTab+"_div").style.display = "block";
  $(currTab).src = $(currTab).src.replace(".gif", "_over.gif");
});

function switchTab(image){
	var divId = image.id+"_div";
	$$('.infonav_item').each(function(infoDiv){
		if (divId == infoDiv.id){
			infoDiv.style.display="block";
		}else{
			infoDiv.style.display="none";
		}
	});
  $(currTab).src = $(currTab).src.replace("_over.gif", ".gif");
  currTab = image.id;
  $(currTab).src = $(currTab).src.replace(".gif", "_over.gif");
}