/*  Copyright (c) 2000 Jock Dempsey, Dempsey's Forge,  all rights reserved. 
 *
 * Code modified (simplified) from that written by Nick Heinle of webreference.com
 * The original contained a complicated progressive shuttering effect, did not support
 * varied image duration or direct the output to a frame.
 *
 */

     var boardNum = -1;
     setTimeout('',  4000);

 billboard = new Array;
       url = new Array;
  duration = new Array;
	target = new Array;    

    
     billboard[0] = new Image(60, 350);
     billboard[0].src = "images/nazel_ban.jpg";
           url[0] = "nazel_site.htm";   
      duration[0] = 10000;
      	target[0] = "self";

     billboard[1] = new Image(60, 350);
     billboard[1].src = "images/nctoolplus.jpg";
           url[1] = "nc-tool/index.htm";   
      duration[1] = 12000;
      	target[1] = "self";
	
     billboard[2] = new Image(60, 350);
     billboard[2].src = "images/fairb_ban.jpg";
           url[2] = "fairbanks_site.htm";
      duration[2] = 10000;
    	target[2] = "self"; 
     
     billboard[3] = new Image(60, 350);
     billboard[3].src = "images/used_ban.jpg";
           url[3] = "used_equipment.php3";     
      duration[3] = 10000;
    	target[3] = "content";

     billboard[4] = new Image(60, 350);
     billboard[4].src = "images/black_ban.jpg";
           url[4] = "main.htm";     
      duration[4] = 10000;
    	target[4] = "content";


function changeBoard() {
    boardNum++;
    if (boardNum > billboard.length - 1) boardNum = 0;
    displayBoard();
    return;
 }

function displayBoard() {
    document.billboardimg.src = billboard[boardNum].src;
    return;
}

function boardControl() {
    changeBoard();
    setTimeout("boardControl()", duration[boardNum]);
}


function jumpBillboard() {
    top.frames[target[boardNum]].location.href = url[boardNum];
}