iter = 0;
setId = 0;
down = true;
up = false;
bouncingBall = (is.VER5) ? document.getElementById("ball").style
: (is.NS) ? document.layers["ball"]
: document.all["ball"].style;
stillBall = (is.VER5) ? document.getElementById("staticBall").style
: (is.NS) ? document.layers["staticBall"] : document.all["staticBall"].style;
winH = (is.NS) ? window.innerHeight - 55 : document.body.offsetHeight - 55;
document.onmouseup = buttonUp;
if (is.NS4)
document.captureEvents(Event.MOUSEUP);
function buttonUp(e) {
if ( ((is.NS) ? e.which : event.button) != 1) return true;
if (setId != 0) clearInterval(setId);
bouncingBall.visibility="visible";
stillBall.visibility="hidden";
bouncingBall.left = (is.NS) ? e.pageX - 15 : event.offsetX - 15;
bouncingBall.top = (is.NS) ? e.pageY - 15 : event.offsetY - 15;
iter = 0;
setId = setInterval("generateGravity()", 20);
return true;
}
function generateGravity() {
if ((parseInt(bouncingBall.top)+iter < winH) && down) {
bouncingBall.top = parseInt(bouncingBall.top) + iter;
iter++;
return;
}
else {
if ((parseInt(bouncingBall.top)< winH) && down) {
bouncingBall.top = winH + 25;
return;
}
down = false;
up = true;
if (iter < 0 && parseInt(bouncingBall.top) > winH) {
clearInterval(setId);
bouncingBall.visibility = "hidden";
stillBall.visibility="visible";
setId = 0;
}
if (parseInt(bouncingBall.top) > 0 && up && iter >= 0) {
bouncingBall.top = parseInt(bouncingBall.top) - iter;
iter--;
if (iter%3 == 0) iter--;
return;
}
down = true;
up = false;
}
}