function catchEvt(evt){
	try
	{
		mouseX = evt.pageX;
		mouseY = evt.pageY;
	}
	catch(e)
	{
		var e = (window.event) ? window.event : evt;

		mouseY=event.y+(document.documentElement.scrollTop || document.body.scrollTop) - document.documentElement.clientTop + 10;
		mouseX=event.x+(document.documentElement.scrollLeft || document.body.scrollLeft) - document.documentElement.clientLeft + (document.documentElement.clientWidth - 765)/2;
	}

	var h = document.getElementById('help');
	h.style.left = parseInt(mouseX)-20+"px";
	h.style.top = parseInt(mouseY)-68 + "px";
}

function show_help(text)
{
	var h = document.getElementById('help');
	h.innerHTML = text;
	h.style.display = 'block';
}

function hide_help()
{
	var h = document.getElementById('help');
	h.innerHTML = '';
	h.style.display = 'none';
	return true;
}

document.onmousemove=catchEvt;