var timer;
function showBox(id){
		
		layer = document.getElementById(id);
	
		
		xPos = window.event.x+document.body.scrollLeft;
        yPos = window.event.y+document.body.scrollTop;
		
			layer.style.top = yPos - 50;
			layer.style.left = xPos - 20;
		
		layer.style.visibility = "visible";
		
	}
function makeVisible(id){
	clearTimeout(timer);
	layer = document.getElementById(id);
	layer.style.visibility = "visible";
	return null;
}
function hideBox(id){

	layer = document.getElementById(id);
	layer.style.visibility = "hidden";
	return null;
	
}

function wait(id){
	timer = setTimeout("hideBox('"+id+"')",500);
	return null;
}