hilfeLayer = null;
xoffset = 40;
yoffset = 150;

document.onmousemove = updateHilfe;

function updateHilfe(e) {
	x = (document.all) ? window.event.x + document.body.scrollLeft : e.pageX;
	y = (document.all) ? window.event.y + document.body.scrollTop  : e.pageY;
	if (hilfeLayer != null) {
		hilfeLayer.style.left = (x + xoffset) + "px";
		hilfeLayer.style.top 	= (y - yoffset) + "px";
	}
}

function showHilfe(id, xoff, yoff) {
	hilfeLayer = document.getElementById(id);
	hilfeLayer.style.display = "block";
	xoffset = xoff;
	yoffset = yoff;
}

function hideHilfe() {
	hilfeLayer.style.display = "none";
}