node=this.relatedTarget;
else if(this.type=="mouseout")
node=this.target;
if(!node)return;
while(node.nodeType!=1)node=node.parentNode;
return node;
});
Event.prototype.__defineGetter__("toElement",function(){// 返回鼠标移入的源节点
var node;
if(this.type=="mouseout")
node=this.relatedTarget;
else if(this.type=="mouseover")
node=this.target;
if(!node)return;
while(node.nodeType!=1)node=node.parentNode;
return node;
});
Event.prototype.__defineGetter__("offsetX",function(){
return this.layerX;
});
Event.prototype.__defineGetter__("offsetY",function(){
return this.layerY;
});
}
if(window.Document){// 修正Document的DOM
/*
IE5 MacIE5 Mozilla Konqueror2.2 Opera5
document.documentElement yes yes yes yes no
document.activeElement yes null no no no
*/
}
if(window.Node){// 修正Node的DOM
/*
IE5 MacIE5 Mozilla Konqueror2.2 Opera5
Node.contains yes yes no no yes
Node.replaceNode yes no no no no
