function showpopDesc(idpopdesc,e,sens,w) {
	var posx = 0;
	var posy = 0;
	if (!w) var w = 160;
	if (!e) var e = window.event;
	if (e.pageX || e.pageY)	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) {
		posx = e.clientX + document.documentElement.scrollLeft;
		posy = e.clientY + document.documentElement.scrollTop;
	}
	with (document.getElementById(idpopdesc).style) {
		display='block';
		left = posx - ((sens == 'g') ? w/2 : 0);
		top = parseInt(posy) + 25;
	}
}
function hidepopDesc(idpopdesc) {
	with (document.getElementById(idpopdesc).style) {
		display='none';
	}
}