e=window.event || e;
IE = document.all ? true : false;
var x,y;
if (IE){
y=e.clientY+document.body.scrollTop ;
x=e.clientX+document.body.scrollLeft;
}
else{
y=e.pageY;
x=e.pageX;
}
var bot;
if (e.which) //FF
bot=e.which;
else//IE
bot=e.button;