banner4_imganz = 6;

var banner4_sctr = 0;

var banner4_halt = 0;

var banner4_rand = 1;

var banner4_timeout = 16000;

var banner4_isn = new Array();

if (document.images) {

  for (i = 0; i < banner4_imganz; i++)

    banner4_isn[i] = new Image();

    banner4_isn[0].src = "images/BioCorpBanner.jpg"
	
	 banner4_isn[1].src = "images/BioCorpBanner.jpg"

   banner4_isn[2].src = "images/bnr_jaxgames.jpg";
  
  banner4_isn[3].src = "images/bnr_qualitysciencelabs.gif";
  
  banner4_isn[4].src = "images/AVKO_banner_2005.gif";

    banner4_isn[5].src = "images/bnr_farm_country.gif";

		banner4_isn[6].src = "banner/152x64_dopplegangerII.jpg";




} else {

  banner4_isn[0] = "images/BioCorpBanner.jpg"

  banner4_isn[1] = "images/BioCorpBanner.jpg"

   banner4_isn[2] = "images/bnr_jaxgames.jpg";
  
  banner4_isn[3] = "images/bnr_qualitysciencelabs.gif";
  
  banner4_isn[4] = "images/AVKO_banner_2005.gif";

  banner4_isn[5] = "images/bnr_farm_country.gif";

		banner4_isn[6].src = "banner/152x64_dopplegangerII.jpg";


  }

var banner4_durl = new Array();

banner4_durl[0] = "http://www.biologyproducts.com";

banner4_durl[1] = "http://www.biologyproducts.com";

banner4_durl[2] = "http://www.jaxgames.com";

banner4_durl[3] = "http://www.qualitysciencelabs.com";

banner4_durl[4] =  "http://www.avko.org/";

banner4_durl[5] = "http://www.homeschoolfcgs.com";

banner4_durl[6] = "http://www.DoppleGangerChronicles.com";



function banner4_rotate() {

  if (banner4_halt != 1) {

    if (banner4_rand == 0) {

      banner4_sctr++;

    } else {

      banner4_sctr = Math.floor(Math.random() * banner4_imganz);

    }

    if (banner4_sctr > banner4_imganz-1)

      banner4_sctr = 0;

    if (document.images) {

      document.banner4.src = banner4_isn[banner4_sctr].src;

    } else {

      document.banner4.src = banner4_isn[banner4_sctr];

    }

    setTimeout("banner4_rotate()",banner4_timeout);

  }

}



function banner4_link() {

  if (banner4_durl[banner4_sctr].length != 0){

    var openURL4 = window.open(banner4_durl[banner4_sctr],"blank4","");

    //openURL4.location.href = banner4_durl[banner4_sctr];

  }

}



function banner4_status() {

  parent.window.status = banner4_durl[banner4_sctr];

}



// PictureChanger 5.x by Ingo Fischer (http://www.apollon.de)