//Javascript functions to support maps 
//
// all maps should be 330px wide, but height can be different
//
function changeMap(overId, imgId, newSrc, newHeight){
 $(overId).style.zIndex = -1;
 $(imgId).useMap = '#BackPage';
 $(imgId).src = newSrc;
 $(imgId).height = newHeight;
 $(imgId).style.zIndex = 0;
 return false;
}//end changeMap

function showRootMap(imgId, src, height){
  $(imgId).useMap = '#mapNav';
  $(imgId).src = src;
  $(imgId).height = height;  
}//end showRootMap

function showBorder(elemId){
 $(elemId).style.zIndex = 9;
	
}//end showBorder

function hideBorder(elemId, indx){
 $(elemId).style.zIndex = indx;
}//end hideBorder