<!-- Hide script from old browsers

function popup(url,winWidth,winHeight) 
{
	winTop = (screen.height - winHeight) / 2;
	winLeft = (screen.width - winWidth) / 2;
	window.open(url,"","width=" + winWidth + ",height=" + winHeight + ",top=" + winTop  + ",left=" + winLeft  + ",resizable=no,scrollbars=no,toolbar=no");
}

function ref(object) 
{
	if (document.getElementById) return document.getElementById(object);
	else if (document.all) return eval('document.all.' + object);
	else return false;
}

function tableSel(table) 
{
	ref(table).style.display = "";
	switch (table)
	{
	case 'table1': 
		ref('table2').style.display = "none";
		ref('table3').style.display = "none";
		break;
	case 'table2': 
		ref('table1').style.display = "none";
		ref('table3').style.display = "none";
		break;
	case 'table3': 
		ref('table1').style.display = "none";
		ref('table2').style.display = "none";
		break;
	}
}

// End hidding script from old browsers -->