var dw_event={
add:function(obj,etype,fp,cap){
cap=cap||false;
if(obj.addEventListener)obj.addEventListener(etype,fp,cap);
else if(obj.attachEvent)obj.attachEvent("on"+etype,fp);
},
remove:function(obj,etype,fp,cap){
cap=cap||false;
if(obj.removeEventListener)obj.removeEventListener(etype,fp,cap);
else if(obj.detachEvent)obj.detachEvent("on"+etype,fp);
},
DOMit:function(e){
e=e?e:window.event;
e.tgt=e.srcElement?e.srcElement:e.target;
if(!e.preventDefault)e.preventDefault=function(){return false;}
if(!e.stopPropagation)e.stopPropagation=function(){if(window.event)window.event.cancelBubble=true;}
return e;
}
}