function adArray() {
		for (i=0; i*3<adArray.arguments.length; i++) {
		  this[i] = new Object();
		  this[i].src = adArray.arguments[i*3];
		  this[i].href = adArray.arguments[i*3+1];
		  this[i].alt = adArray.arguments[i*3+2];
			}
			this.length = i;
		  }
		  function getAdNum() {
			dat = new Date();
			dat = (dat.getTime()+"").charAt(8);
			if (dat.length == 1)
			 ad_num = dat%ads.length;
			else
			 ad_num = 0;
			return ad_num;
		   }
		   var ads = new adArray(

"/graphics/home_page/homepage_1e.jpg","","",

"/graphics/home_page/homepage_2a.jpg","","",

"/graphics/home_page/homepage_3a.jpg","","",

"/graphics/home_page/homepage_5a.jpg","",""
   
		   );
			   
		   var ad_num = getAdNum(); 
		   document.write('<a href="'+ads[ad_num].href+'"><img src="'+ads[ad_num].src+'" width="320" height="280" style="display: block;" border="0" name="js_ad" alt="'+ads[ad_num].alt+'"></a>');
		   link_num = document.links.length-1;
		   
		   function rotateSponsor() {
			if (document.images) {
			 ad_num = (ad_num+1)%ads.length;
			 document.js_ad.src = ads[ad_num].src;
			 document.links[link_num].href = ads[ad_num].href;
			 document.js_ad.alt = ads[ad_num].alt;
			 setTimeout("rotateSponsor()",5000);
			}
		   }
		   setTimeout("rotateSponsor()",5000);