// JavaScript Document
function tr(id) {

  var moreID = document.getElementById(id);
	if (moreID.style.display == "") {
		moreID.style.display = "none";
	} else {
		moreID.style.display = "";
	}
}

function openAll()
{
	for (var i=0; i < 20; i++)
	{
		var tbl = $('table' + i);
		if (tbl) Element.show(tbl);
	}
}