function display(nr)
{
	if (document.layers)
	{
		current = (document.layers[nr].display == 'none') ? 'block' : 'none';
		document.layers[nr].display = current;
	}
	else if (document.all)
	{
		current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
		document.all[nr].style.display = current;
	}
	else if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
		document.getElementById(nr).style.display = vista;
	}
}

function smallWindow(url) {
    window.open(url, "", "width=350,height=440,scrollbars=yes,toolbar=no,status=no,resizable=yes");
}

function smallWindow(url, varWidth, varHeight) {

    window.open(url, "", "width=" + varWidth + ",height=" + varHeight + ",scrollbars=no,toolbar=no,status=no,resizable=yes");
}


function showLgImg(img)
{
    document.img.style.display = 'block';
}