function openWindow(url,largura,altura,top,left)
{
	top=((top/2)-(altura/2));
	left=((left/2)-(largura/2));
	prop = 'toolbar=no, ';
	prop += 'location=no, ';
	prop += 'directories=no, ';
	prop += 'status=no, ';
	prop += 'menubar=no, ';
	prop += 'scrollbars=yes, ';
	prop += 'resizable=no, ';
	prop += 'menubar=no, ';
	prop += 'top ='+top+', ';
	prop += 'left='+left+', ';
	prop += 'width='+largura+', ';
	prop += 'height='+altura;
	window.open(url, altura, prop);
}

function doScrollLeft(id,len)
	{
		document.getElementById(id).scrollLeft = len;
	}

var iten
function show(id) 
{
	iten = document.getElementById(id);
	iten.style.display = 'block';
	iten.style.cursor = 'help';
	
}
function hide() 
{
	iten.style.display = "none";
}
document.onmousemove = local;
function local(e) 
{
	x = (document.all) ? window.event.x + document.body.scrollLeft : e.pageX;
	y = (document.all) ? window.event.y + document.body.scrollTop  : e.pageY;
	if (iten != null) {
		iten.style.left = (x + (0)) + "px";
		iten.style.top 	= (y + 20) + "px";
	}
}