function showBigPic( bild )
{
var ziel = bild + ".jpg";
var browserName = navigator.appName;
var browserVersion = parseInt(navigator.appVersion);
var browser = " ";
if (browserName == "Microsoft Internet Explorer" && browserVersion == 4 && navigator.appVersion.indexOf("MSIE 7.0") != -1) { browser = " "; }
else if (browserName == "Microsoft Internet Explorer" && browserVersion == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1) { browser = "ie6"; }
else if (browserName == "Microsoft Internet Explorer" && browserVersion == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1) { browser = "ie55"; }
else if (browserName == "Microsoft Internet Explorer" && browserVersion == 4 && navigator.appVersion.indexOf("MSIE 5.0") != -1) { browser = "ie5"; }
else if (browserName == "Microsoft Internet Explorer" && browserVersion == 4) { browser = "ie4"; }
if (browser == " ") {
var code = "<div onclick=\"hideBigPic(event); return false;\">"
	+ "<img src=\"images/fotos/" + ziel + "\" width=\"780\" height=\"585\" class=\"bigfoto\" />"
	+ "<img src=\"images/icons/minus.png\" class=\"minus\" /></div>";
document.getElementById("bigdiv").innerHTML = code;
document.getElementById("bigdiv").style.visibility = "visible";
document.getElementById("bigdiv").style.display = "block";
}
else
{
popup(ziel);
}
}

function hideBigPic()
{
document.getElementById("bigdiv").style.visibility = "hidden";
document.getElementById('bigdiv').style.display = "none";
}

function popup(ziel)
{
neuesFenster = window.open("popup.html?" + ziel,"Bild","width=780,height=585").focus(); return false;
}