获取鼠标位置的javascript(zz)

var Mouse = new function(){

this.x = 0;

this.y = 0;

this.capture = function(evt){

if (document.all) {// IE

Mouse.x = window.event.x + document.body.scrollLeft;

Mouse.y = window.event.y + document.body.scrollTop;

} else if (document.layers||document.getElementById) { // Netscape

Mouse.x = evt.pageX;

Mouse.y = evt.pageY;

}

//alert(Mouse.x + "/" + Mouse.y); //test

};

if (document.layers) { //netscape

document.captureEvents(Event.MOUSEMOVE);

}

document.onmousemove = this.capture;

};

var Screen = new function(){

if (document.layers||document.getElementById) { // Netscape

this.width = window.innerWidth+window.pageXOffset;

this.height = window.innerHeight+window.pageYOffset;

} else if (document.all) {// IE

this.width = document.body.clientWidth+document.body.scrollLeft;

this.height = document.body.clientHeight+document.body.scrollTop;

}

};