// **menu functions**
if (document.images) {

//main menu buttons  
  digitalipo = new Image();
  digitalipo.src = "img/b-digital-ip-o.gif";
  interneto = new Image();
  interneto.src = "img/b-internet-o.gif";
  longdisto = new Image();
  longdisto.src = "img/b-longdist-o.gif";
  policyo = new Image();
  policyo.src = "img/b-policy-o.gif";
  dslo = new Image ();
  dslo.src = "img/b-dsl-o.gif";
  homeo = new Image ();
  homeo.src = "img/b-home-o.gif";
  
  digitalip = new Image();
  digitalip.src = "img/b-digital-ip.gif";  
  internet = new Image();
  internet.src = "img/b-internet.gif";
  longdist = new Image();
  longdist.src = "img/b-longdist.gif";
  policy = new Image();
  policy.src = "img/b-policy.gif";
  dsl = new Image();
  dsl.src = "img/b-dsl.gif";
  home = new Image();
  home.src = "img/b-home.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

function changeImgs() {
	var name = changeImgs.arguments[0];
	if(num != name.charAt(4)){
	  if (document.images) {
	    for (var i=0; i<changeImgs.arguments.length; i+=2) {
    	  document[changeImgs.arguments[i]].src = eval(changeImgs.arguments[i+1] + ".src");
		}
	  }
	}
}