pic_width=300;   /*change to match the height of all your images */
pic_height=200;   /* change to match the width of all your images */
border_size=2;   /* change to the border size you want on the images */
alignment=1;      /* 0=left,1=center */

/* define image urls */

if (document.images)
 {
     pic1= new Image(pic_width,pic_height); 
     pic1.src="/images/iwx/program_areas/wxpics/tornado/Huffman.gif"; 
     pic2= new Image(pic_width,pic_height);
     pic2.src="/images/iwx/program_areas/wxpics/wind_hail/LimbsDownJuly98.jpg";  
     pic3= new Image(pic_width,pic_height);
     pic3.src="/images/iwx/program_areas/wxpics/winter/evap.jpg";  
     pic4= new Image(pic_width,pic_height);
     pic4.src="/images/iwx/program_areas/wxpics/clouds_sun/Cirrocumulus.jpg";
     pic5= new Image(pic_width,pic_height);
     pic5.src="/images/iwx/program_areas/wxpics/winter/Hoarfrost.jpg"; 
     pic6= new Image(pic_width,pic_height);
     pic6.src="/images/iwx/program_areas/wxpics/tornado/VW19.jpg"; 
     pic7= new Image(pic_width,pic_height);
     pic7.src="/images/iwx/program_areas/wxpics/clouds_sun/milfordin_sunset.jpg"; 
     pic8= new Image(pic_width,pic_height);
     pic8.src="/images/iwx/program_areas/wxpics/tornado/red_cloud_lp_tor.jpg"; 
     pic9= new Image(pic_width,pic_height);
     pic9.src="/images/iwx/program_areas/wxpics/clouds_sun/613_waverly.jpg"; 
     pic10= new Image(pic_width,pic_height);
     pic10.src="/images/iwx/program_areas/wxpics/clouds_sun/erics_aurora.jpg"; 
     pic11= new Image(pic_width,pic_height);
     pic11.src="/images/iwx/program_areas/wxpics/clouds_sun/Hastings%20NE%20sky%20on%20June%2019%202004.jpg"; 
     pic12= new Image(pic_width,pic_height);
     pic12.src="/images/iwx/program_areas/wxpics/clouds_sun/fall_colors_2.jpg"; 
     pic13= new Image(pic_width,pic_height);
     pic13.src="/images/iwx/program_areas/wxpics/tornado/stuart%20ne%20tornado.jpg";
     pic14= new Image(pic_width,pic_height);
     pic14.src="/images/iwx/program_areas/wxpics/wind_hail/megastone.jpg";
     pic15= new Image(pic_width,pic_height);
     pic15.src="/images/iwx/program_areas/wxpics/tornado/under_the_meso.jpg";
     pic16= new Image(pic_width,pic_height);
     pic16.src="/images/iwx/program_areas/wxpics/tornado/hp%20and%20decaying%20wall%20cloud.jpg";
     pic17= new Image(pic_width,pic_height);
     pic17.src="/images/iwx/program_areas/wxpics/Other%20Pics/Bob%20Hammitt/checker_board.jpg";
     pic18= new Image(pic_width,pic_height);
     pic18.src="/images/iwx/program_areas/wxpics/Other%20Pics/Bob%20Hammitt/harvest_rainbow.jpg";
     pic19= new Image(pic_width,pic_height);
     pic19.src="/images/iwx/program_areas/wxpics/Other%20Pics/Bob%20Hammitt/squall_line.jpg";
     pic20= new Image(pic_width,pic_height);
     pic20.src="/images/iwx/program_areas/wxpics/Other%20Pics/Bob%20Hammitt/shining_mist.jpg";

 }    

/* define banner urls */

urlad1="/iwx/?n=torpics";
urlad2="/iwx/?n=windhailpics";
urlad3="/iwx/?n=winterpics";
urlad4="/iwx/?n=suncldpics";

/* no need to edit past this point (unless you want to add more image and url slots) */

if (alignment==1)
 {
  cent_it="<CENTER>";
  cent_it2="<\/CENTER>";
 }
else
 {
  cent_it="";
  cent_it2="";
 }
 
function get_random(maxNum)
{
  if (Math.random && Math.round)
  {
    var ranNum= Math.round(Math.random()*(maxNum-1));
    ranNum+=1;
    return ranNum;
  }
  else
  {
  today= new Date();
  hours= today.getHours();
  mins=   today.getMinutes();
  secn=  today.getSeconds();
  if (hours==19)
   hours=18;
  var ranNum= (((hours+1)*(mins+1)*secn)%maxNum)+1;
  return ranNum;
  }
}

function get_Image()
{
 if (document.images)
 {
  var choose_one= get_random(20);  
  choose_one--;

  var pics= new Array(20) 
   pics[0]=pic1.src;
   pics[1]=pic2.src;
   pics[2]=pic3.src;
   pics[3]=pic4.src;
   pics[4]=pic5.src;
   pics[5]=pic6.src;
   pics[6]=pic7.src;
   pics[7]=pic8.src;
   pics[8]=pic9.src;
   pics[9]=pic10.src;
   pics[10]=pic11.src;
   pics[11]=pic12.src;
   pics[12]=pic13.src;
   pics[13]=pic14.src;
   pics[14]=pic15.src;
   pics[15]=pic16.src;
   pics[16]=pic17.src;
   pics[17]=pic18.src;
   pics[18]=pic19.src;
   pics[19]=pic20.src;
   
  var aurl= new Array(4)
  aurl[0]=urlad1;
  aurl[1]=urlad2;
  aurl[2]=urlad3;
  aurl[3]=urlad4;
  aurl[4]=urlad1;
  aurl[5]=urlad2;
  aurl[6]=urlad3;
  aurl[7]=urlad4;
  aurl[8]=urlad1;
  aurl[9]=urlad2;
  aurl[10]=urlad3;
  aurl[11]=urlad4;
  aurl[12]=urlad1;
  aurl[13]=urlad2;
  aurl[14]=urlad3;
  aurl[15]=urlad4;
  aurl[16]=urlad1;
  aurl[17]=urlad2;
  aurl[18]=urlad3;
  aurl[19]=urlad4;

  document.write(cent_it+"<A HREF='"+aurl[choose_one]+"'><IMG SRC='"+pics[choose_one]+"' width='"+pic_width+"' height='"+pic_height+"' border='"+border_size+"'></A>"+cent_it2);
 }
}