s = 40; // the size of the spotlight
vp = 10; // the visibility percent of the picture
startx = 48; // the top position of your sportlight into the image (on start)
starty = 45; // the left position of your spotlight into the image (on start)

var IE = document.all?true:false

function moveL()
{
    xv = tempX;
    yv = tempY;
    myimage.filters.light.MoveLight(1,xv,yv,s,true);
}
myimage = document.getElementById("myimage")
if (IE&&myimage.filters && myimage.filters.light)
myimage.onmousemove = getMouseXY;
var tempX = 0;
var tempY = 0;

function getMouseXY(e) {
    tempX = event.offsetX
    tempY = event.offsetY

    if (tempX < 0){tempX = 0}
    if (tempY < 0){tempY = 0}
    if (t)
    {  
    moveL();
    }
    return true
}

var xv = startx;
var yv = starty;
var t= true;
if (IE&&myimage.filters){
    myimage.style.cursor="hand";
    if(myimage.filters.light)
    {
        myimage.filters.light.addAmbient(255,255,255,vp)
        myimage.filters.light.addPoint(startx,starty,s,255,255,255,255)
    }
}