function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


//here you place the ids of every element you want.
var ids=new Array('staff_0','staff_1','staff_2','staff_3');
function switchid(id){   
   hideallids();
   showdiv(id);
}
function hideallids(){
   //loop through the array and hide each element by id
   for (var i=0;i<ids.length;i++){
      hidediv(ids[i]);
   }       
}
function hidediv(id) {
   //safe function to hide an element with a specified id
   if (document.getElementById) { // DOM3 = IE5, NS6
      document.getElementById(id).style.display = 'none';
   }
   else {
      if (document.layers) { // Netscape 4
         document.id.display = 'none';
      }
      else { // IE 4
         document.all.id.style.display = 'none';
      }
   }
}

function showdiv(id) {
   //safe function to show an element with a specified id
   if (document.getElementById) { // DOM3 = IE5, NS6
      document.getElementById(id).style.display = 'block';
   }
   else {
      if (document.layers) { // Netscape 4
         document.id.display = 'block';
      }
      else { // IE 4
         document.all.id.style.display = 'block';
      }
   }
}