if (document.images) { 
r1= new Image(112,17); 
r1.src="images/practice_off.gif"; 
r2= new Image(141,17); 
r2.src="images/directors_off.gif"; 
r3= new Image(61,17);
r3.src="images/careers_off.gif"; 
r4= new Image(91,17); 
r4.src="images/publications_off.gif"; 
r5= new Image(66,17); 
r5.src="images/contact_off.gif"; 


//

rr1= new Image(112,17); 
rr1.src="images/practice_on.gif"; 
rr2= new Image(141,17); 
rr2.src="images/directors_on.gif"; 
rr3= new Image(61,17);
rr3.src="images/careers_on.gif"; 
rr4= new Image(91,17); 
rr4.src="images/publications_on.gif"; 
rr5= new Image(66,17); 
rr5.src="images/contact_on.gif"; 



}


function changeImage(row,s) {

var h;

h= (s==1)? "r":"";

if (document.images) {

document.images[row].src = eval(h+row + ".src");

}

}


function MM_findObj(n, d) { //v3.0
  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(d.getElementById) if(d.getElementById(n)) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}