// JavaScript Functions for Risk-Screening Environmental Indicators Website
// Developed by Abt Associates Inc.

// Created on: May 20, 2002 by Jeannie Cho, www.abtassoc.com
// Last Updated: May 20, 2002 by Jeannie Cho, www.abtassoc.com

if (navigator.appVersion.substring(0,1) >= 3) {

  pounds1       = new Image ();
  pounds1.src   = "images/pounds1.jpg";
  pounds2       = new Image ();
  pounds2.src   = "images/pounds2.jpg";

  hazard1       = new Image ();
  hazard1.src   = "images/hazard1.jpg";
  hazard2       = new Image ();
  hazard2.src   = "images/hazard2.jpg";
 
  risk1       = new Image ();
  risk1.src   = "images/risk1.jpg";
  risk2       = new Image ();
  risk2.src   = "images/risk2.jpg";

  airconc1       = new Image ();
  airconc1.src   = "images/airconc1.jpg";
  airconc2       = new Image ();
  airconc2.src   = "images/airconc2.jpg";

  maps1       = new Image ();
  maps1.src   = "images/maps1.jpg";
  maps2       = new Image ();
  maps2.src   = "images/maps2.jpg";

  graphs1       = new Image ();
  graphs1.src   = "images/graphs1.jpg";
  graphs2       = new Image ();
  graphs2.src   = "images/graphs2.jpg";

  pt_blank       = new Image ();
  pt_blank.src   = "images/pt_blank.gif";
  pt_pounds       = new Image ();
  pt_pounds.src   = "images/pt_pounds.gif";
  pt_hazard       = new Image ();
  pt_hazard.src   = "images/pt_hazard.gif";
  pt_risk       = new Image ();
  pt_risk.src   = "images/pt_risk.gif";
  pt_airconc       = new Image ();
  pt_airconc.src   = "images/pt_airconc.gif";
  pt_maps       = new Image ();
  pt_maps.src   = "images/pt_maps.gif";
  pt_graphs       = new Image ();
  pt_graphs.src   = "images/pt_graphs.gif";

  welcome       = new Image ();
  welcome.src   = "images/welcome.jpg";
  board_pounds       = new Image ();
  board_pounds.src   = "images/board_pounds.jpg";
  board_hazard       = new Image ();
  board_hazard.src   = "images/board_hazard.jpg";
  board_risk       = new Image ();
  board_risk.src   = "images/board_risk.jpg";
  board_airconc       = new Image ();
  board_airconc.src   = "images/board_airconc.jpg";
  board_maps       = new Image ();
  board_maps.src   = "images/board_maps.jpg";
  board_graphs       = new Image ();
  board_graphs.src   = "images/board_graphs.jpg";

}

//////////////////////////////////////////////////////////////////////////////////////////////
//Switches three images simultaneously on MouseOver
////////////////////////////////////////////////////////////////////////////////////////////

function switchTriplet(imageID1,imageName1,imageID2,imageName2,imageID3,imageName3) { 
  if (navigator.appVersion.substring(0,1) >= 3) {
    document.images[imageID1].src = eval(imageName1 + ".src")
    document.images[imageID2].src = eval(imageName2 + ".src")
    document.images[imageID3].src = eval(imageName3 + ".src")
  }
}