dss_addEvent(window,'load',function(){ 
  addBookmarkObj.addImageLink('ID_1','img/bookmark.png'); 
}); 
dss_addEvent(window,'load',function(){ 
  addBookmarkObj.addImageLink('ID_2','img/bookmark.png'); 
}); 
dss_addEvent(window,'load',function(){ 
  addBookmarkObj.addImageLink('ID_3','img/bookmark.png'); 
}); 
dss_addEvent(window,'load',function(){ 
  addBookmarkObj.addImageLink('ID_4','img/bookmark.png'); 
});