document.onmousemove = getMousePos;

tempX = 0;
tempY = 0;

if (navigator.appName == "Microsoft Internet Explorer") IE = true;
else IE = false;


function getMousePos (e) { 
  if (IE) { //IE
    tempX = event.clientX + document.body.scrollLeft;
    tempY = event.clientY + document.body.scrollTop;
  } else { //!IE
    tempX = e.pageX;
    tempY = e.pageY;
  }
}

function show_day(day) {
  el = document.getElementById(day + '_day');
  el.style.display = "block";

  el.style.left = tempX - 200; //el.offsetLeft - 200;
  el.style.top = tempY + 10; //el.offsetTop + 20;
}

function hide_day(day) {
 el = document.getElementById(day + '_day');
 el.style.display = "none"; 
// el.style.left = el.offsetLeft + 200;
// el.style.top = el.offsetTop - 20;
}