if(navigator.appVersion.charAt(0)>=4 && (navigator.appVersion).indexOf("MSIE") != -1) isIE4 = true;
else  isIE4 = false;


var drop_confla  = new Object();
drop_confla.step = 1;  
drop_confla.min  = 2;  
drop_confla.time = 50; 

function drop_confla_anima(id) {
 el = document.all(id);
 fil= el.filters['dropShadow'];
  if(!(fil.offX <=drop_confla.min)) {
    fil.offX -= drop_confla.step; fil.offY -= drop_confla.step;
    setTimeout("drop_confla_anima('"+id+"')",drop_confla.time);
  }
 }