// MSIE - 'Microsoft Internet Explorer'
// Firefox - 'Netscape'
// Opera - 'Opera'
function browser()
{
	return navigator.appName;
}
function version()
{
	var v = navigator.appVersion;
	if(browser() == 'Microsoft Internet Explorer')
	{
		var i = v.search('MSIE ') + 5;
		return v.substring(i, i + 3);
	}
	return v;
}
function major_version()
{
	var v = version();
	return parseInt(v.substring(1, v.search('.')));
}
function mailto(i, a, b)
{
	var d = "mailto" + i;
	var c = a + "@" + b;
	document.getElementById(d).innerHTML = c; 
	document.getElementById(d).href = "mailto:" + c;
}
function icon(i)
{
	if(browser() == 'Microsoft Internet Explorer' && major_version() < 7)
	{
		return;
	}
	document.getElementById('a_icon' + i).href = 'javascript:image("' + i + '")';
}
function image_display(x)
{
	document.getElementById('image-background').style.display = x;
	document.getElementById('image-box').style.display = x;
}
function image_set(i, n)
{
	var img = document.getElementById('image-box-img');
	img.src = i;
	img.alt = n;
	document.getElementById('image-box-span').innerHTML = n;
}
function image(f)
{
	image_display("block");
	image_set(f + '.jpg', document.getElementById('icon' + f).alt);
}
function close()
{
	image_display("none");
	image_set('indicator.gif', '');
}