// Simple follow the mouse script

 var divName = 'followmouse'; // div that is to follow the mouse
                        // (must be position:absolute)
 var offX = 10;          // X offset from mouse position
 var offY = 0;          // Y offset from mouse position

 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) { if( document.getElementById(divName) ){ 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;