function entry(block) {
	$j(document).mousemove(function(event){
		showblock(block, event);
	});
	$j('#'+block).css('visibility', 'visible');
}

function leave(block) {
	$j(document).unbind('mousemove');
	$j('#'+block).css('visibility', 'hidden');
	$j('#'+block).css('left', 0 + 'px');
	$j('#'+block).css('top', 0 + 'px');
}

function fromleft(block, n) {
	$j('#'+block).css('left', n + 'px');
}
function fromtop(block, n) {
	$j('#'+block).css('top', n + 'px');
}
function showblock(block, e) {
	var x = $j.browser.msie ? e.pageX - 115 : e.pageX - 320;
	var y = $j.browser.msie ? e.pageY - 35 : e.pageY - 30;
	fromleft(block, parseInt(x));
	fromtop(block, parseInt(y));
}