// JavaScript Document
  var images = {
        
       url : [
          ['image/sponsor/honda-logo.jpg','http://world.honda.com/'],
          ['image/sponsor/yamaha-logo.gif', 'http://www.yamaha-motor.co.jp/global'],
          ['image/sponsor/kubota-logo.gif', 'http://www.kubota-global.net/'],
		  ['image/sponsor/yammar-logo.gif', 'http://www.yanmar.co.jp/en/'],
		  ['image/sponsor/suzuki-logo.gif', 'http://www.globalsuzuki.com/'],
		  ['image/sponsor/lubrizol.gif', 'http://www.lubrizol.com/'],
		  ['image/sponsor/sample10.gif', 'sponsorship.html'],		 
		  ['image/sponsor/kawasaki-logo2.jpg', 'http://www.kawasaki-cp.khi.co.jp/index_e.html'],
		  ['image/sponsor/sample9.gif', 'sponsorship.html'],
		  ['image/sponsor/sample5.gif', 'sponsorship.html']
		  ],


       
        shuffle : function() {
          for (i = this.url.length; i > 0; --i) {
            tmp = this.url[p = Math.floor(Math.random()*i)] ;
            this.url[p] = this.url[i-1] ;
            this.url[i-1] = tmp ;
          }
        },

        p : 0, 

        
        put : function() {
          if (this.p >= this.url.length) this.p = 0 ;
          return '<a href="'+this.url[this.p][1]+'" target="_blank"><img src="'+this.url[this.p++][0]+'" /></a>' ;
        }
      } ;

      onload = function() {
        images.shuffle() ;
        divs = document.getElementsByTagName('div') ;
        for (i = 0; i < divs.length; ++i) {
          if (divs[i].className != 'block') continue ; 
          divs[i].innerHTML += images.put() ;
        }
      }