var divName = 'dek';
var offX = 16;
var offY = 16;

function mouseX(evt) {if (!evt) evt = window.event; if (evt.pageX) return evt.pageX; else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); else return 0;}
function mouseY(evt) {if (!evt) evt = window.event; if (evt.pageY) return evt.pageY; else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); else return 0;}
function follow(evt) {if (document.getElementById) {var obj = document.getElementById(divName).style; obj.visibility = 'visible'; obj.left = (parseInt(mouseX(evt))+offX) + 'px';  obj.top = (parseInt(mouseY(evt))+offY) + 'px';}}

document.onmousemove = follow;

function popup(msg)
{
   var content="<img src='"+msg+"' alt='' style='border: 2px inset #C0C0C0; height: 100px; width: 100px;' />";
   document.getElementById('dek').innerHTML = content;
}

function kill()
{
   var content= "";
   document.getElementById('dek').innerHTML = content;
}