document.onmousemove = setXY;
var tip = '';
var x = 0;
var y = 0;

function setXY (e) {
	x = ((document.all) ? window.event.clientX : e.pageX) + 10;
	y = ((document.all) ? window.event.clientY + document.documentElement.scrollTop : e.pageY) + 10;
}

var openAssistant = '';

function showAssistant (a) {
	if (openAssistant != '') {
		hideAssistant (openAssistant);
		openAssistant = '';
	}
	document.getElementById('a_sub_'+a).style.display='block';
	openAssistant = a;
}
function hideAssistant (a) {
	if (a != '') {
		document.getElementById('a_sub_'+a).style.display='none';
		openAssistant = '';
	}
}
function waitHideAssistant(a) {
	setTimeout('hideAssistant ('+a+')', 5000);
}