if (document.images) { 
 var mycatid1= new Image(65,65); 
  mycatid1.src="templates/nightread/images/movingcategories/cat_id1.gif";

  var mycatid2= new Image(65,65); 
  mycatid2.src="templates/nightread/images/movingcategories/cat_id2.gif";

  var mycatid3= new Image(65,65); 
  mycatid3.src="templates/nightread/images/movingcategories/cat_id3.gif";

  var mycatid6= new Image(65,65); 
  mycatid6.src="templates/nightread/images/movingcategories/cat_id6.gif";

  var mycatid7= new Image(65,65); 
  mycatid7.src="templates/nightread/images/movingcategories/cat_id7.gif";

  var mycatid8= new Image(65,65); 
  mycatid8.src="templates/nightread/images/movingcategories/cat_id8.gif";

  var mycatid9= new Image(65,65); 
  mycatid9.src="templates/nightread/images/movingcategories/cat_id9.gif";

  var mycatid10= new Image(65,65); 
  mycatid10.src="templates/nightread/images/movingcategories/cat_id10.gif";

  var mycatid11= new Image(65,65); 
  mycatid11.src="templates/nightread/images/movingcategories/cat_id11.gif";

  var mycatid12= new Image(65,65); 
  mycatid12.src="templates/nightread/images/movingcategories/cat_id12.gif";

  var mycatid13= new Image(65,65); 
  mycatid13.src="templates/nightread/images/movingcategories/cat_id13.gif";

  var mycatid14= new Image(65,65); 
  mycatid14.src="templates/nightread/images/movingcategories/cat_id14.gif";

  var mycatid40= new Image(65,65); 
  mycatid40.src="templates/nightread/images/movingcategories/cat_id40.gif";

  var mycatid66= new Image(65,65); 
  mycatid66.src="templates/nightread/images/movingcategories/cat_id66.gif";

  var mycatid67= new Image(65,65); 
  mycatid67.src="templates/nightread/images/movingcategories/cat_id67.gif";

  var mycatid68= new Image(65,65); 
  mycatid68.src="templates/nightread/images/movingcategories/cat_id68.gif";
}

function changegif(catid) {

doc_cat_id = 'cat_id'+catid;
my_cat_id = 'mycatid'+catid;
imgOn = eval(my_cat_id + ".src");
 //alert ('my_cat_id='+my_cat_id+'  doc_cat_id='+doc_cat_id + '  imgOn=' + imgOn);
document[doc_cat_id].src = imgOn;
return false;

}