function showimage(pFileName, pHeight, pWidth, pAlt)
{
var lHeight=0;
var lWidth=0;
var lFileName = pFileName;
if (isNaN(pHeight))
{
alert("Höhenangabe ist keine Zahl!");
return 0;
}else{
lHeight =parseInt(pHeight) + 70;
if (lHeight > screen.availHeight){
lHeight = screen.availHeight;
}
if (lHeight < 120){
lHeight = 120;
}
}
if (isNaN(pWidth))
{
alert("Breitenangabe ist keine Zahl!");
return 0;
}else{
lWidth =parseInt(pWidth) + 30;
if (lWidth > screen.availWidth){
lWidth = screen.availWidth;
}
if (lWidth < 200){
lWidth = 200;
}
}
var top = Math.round((screen.availHeight - lHeight )/2);
var left = Math.round((screen.availWidth - lWidth )/2);
var lURL = document.URL;
var len = lURL.lastIndexOf("/");
var lPfad = lURL.substr(0, len +1) + "../bilder/";
var rnd = Math.round(Math.random() * 1000000000);
var win = window.open("", "Bild" + rnd, "width=" + lWidth + ",height=" + lHeight + ",top=" + top +",left=" + left +",location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no");
var doc = win.document;
doc.open();
doc.writeln("Bild");
doc.writeln("");
//doc.writeln("");
doc.writeln("");
doc.writeln('
