pic_width=670;   /*change to match the height of all your images */
pic_height=280;   /* change to match the width of all your images */
border_size=0;   /* 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="Image-title/Top_Box1.gif";  
     pic2= new Image(pic_width,pic_height); 
     pic2.src="Image-title/Top_Box2.gif"; 
     pic3= new Image(pic_width,pic_height);
     pic3.src="Image-title/Top_Box3.gif";
     pic4= new Image(pic_width,pic_height);
     pic4.src="Image-title/Top_Box4.gif";
     pic5= new Image(pic_width,pic_height);
     pic5.src="Image-title/Top_Box5.gif";
    
 }    

/* no need to edit past this point (unless you want to add more image 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(5);  
  choose_one--;

  var pics= new Array(5) 
   pics[0]=pic1.src;
   pics[1]=pic2.src;
   pics[2]=pic3.src;
   pics[3]=pic4.src;
   pics[4]=pic5.src;
   
   

  //document.write(cent_it+"<IMG SRC='"+pics[choose_one]+"' width='"+pic_width+"' height='"+pic_height+"' border='"+border_size+"'>"+cent_it2);
  //<td width="670" height="280" background="images/Top_Box_Ver2.GIF" align="center" valign="top">
    document.write("<td width='670' height='280' background='" + pics[choose_one]+ "' align='center' valign='top'>");

 }
}