/////////////////////////////////////////////////////////
//
// Nav Menu Image Rollovers
//
// pre-cache link and rollover images...
var imgsLo = new Object();      // resting buttons
var imgsHi = new Object();      // mouse over button
var nBtnWid = 210;
var nBtnHgt = 30;

if (document.images)
  {
  imgsLo["navHome"] = new Image(85, nBtnHgt);   // nav images - normal
  imgsLo["navHome"].src = "imgs/btn_home_lo.jpg";
  imgsLo["navServ"] = new Image(105, nBtnHgt);
  imgsLo["navServ"].src = "imgs/btn_serv_lo.jpg";
  imgsLo["navCase"] = new Image(140, nBtnHgt);
  imgsLo["navCase"].src = "imgs/btn_case_lo.jpg";
  imgsLo["navAbout"] = new Image(110, nBtnHgt);
  imgsLo["navAbout"].src = "imgs/btn_about_lo.jpg";
  imgsLo["navContact"] = new Image(95, nBtnHgt);
  imgsLo["navContact"].src = "imgs/btn_contact_lo.jpg";

  imgsHi["navHome"] = new Image(85, nBtnHgt);   // nav images - highlight
  imgsHi["navHome"].src = "imgs/btn_home_hi.jpg";
  imgsHi["navServ"] = new Image(105, nBtnHgt);
  imgsHi["navServ"].src = "imgs/btn_serv_hi.jpg";
  imgsHi["navCase"] = new Image(140, nBtnHgt);
  imgsHi["navCase"].src = "imgs/btn_case_hi.jpg";
  imgsHi["navAbout"] = new Image(110, nBtnHgt);
  imgsHi["navAbout"].src = "imgs/btn_about_hi.jpg";
  imgsHi["navContact"] = new Image(95, nBtnHgt);
  imgsHi["navContact"].src = "imgs/btn_contact_hi.jpg";
  }

function setImage(name, state)
  {
  //DBG alert("setImage("+name+", "+state+")");
  if (document.images)
    {
    if (state == 'hi')
      {
      document.images[name].src = imgsHi[name].src;
      return true;
      }
    else if (state == 'lo')
      {
      document.images[name].src = imgsLo[name].src;
      return true;
      }
    }
  return false;
  }
//
///// End of File ///////////////////////////////////////