function loadEm(){
   MM_preloadImages(
   '/images/nav/n_home.gif',
   '/images/nav/n_practice.gif',
   '/images/nav/n_about.gif',
   '/images/nav/n_contact.gif',
   '/images/nav/n_espanol.gif'
   );
}

/*

sfhover = function() {   
	var elms  = document.getElementById("navdrop").getElementsByTagName("LI");
	var sel   = document.getElementById('f_injury_type');
	for (var i=0; i<elms.length; i++) {
		elms[i].onmouseover=function() {
			if(window.attachEvent) this.className+=" sfhover";			
			this.style.backgroundPosition = '0 -48px';
			if(sel) sel.style.visibility = 'hidden';
		}
		elms[i].onmouseout=function() {
			if(window.attachEvent) this.className=this.className.replace(new RegExp(" sfhover\\b"), "");			
     		this.style.backgroundPosition= '0 0';
     		if(sel) sel.style.visibility = 'visible';
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfhover);
*/
function showMap(mapid){
   mholder = document.getElementById('holder');
   
   // get all children of holder
   childs = mholder.getElementsByTagName('div');
   for (var i=0;i<childs.length;i++){       
      if(childs[i].id == mapid) {
         childs[i].style.display = 'block';
         var kid = childs[i];
         childs[i].getElementsByTagName('h4')[0].onclick = function() {
            kid.style.display = 'none';
         }
      } else {
         childs[i].style.display = 'none';
      }
   }
}