function tooltipInitiate() {
	if (document.getElementById("link_registration")) {
		t = setInterval("tooltipMove()", 50);
		document.getElementById("tooltip").style.display = "block";
		tooltip_opacity = 0;
		tooltip_top = 255;
	}
}

function tooltipMove() {
	if (document.getElementById("link_registration")) {
		if (tooltip_opacity == 10) {
			window.clearInterval(t);
		} else {
			tooltip_opacity++;
			tooltip_top -= 4;

			document.getElementById("tooltip").style.opacity = tooltip_opacity/10;
			document.getElementById("tooltip").style.top = tooltip_top + "px";
		}
	}
}