var agt=navigator.userAgent.toLowerCase();
var ie  = (agt.indexOf("msie") != -1);
var ns  = (navigator.appName.indexOf("Netscape") != -1);
var win = ((agt.indexOf("win")!=-1) || (agt.indexOf("32bit")!=-1));
var mac = (agt.indexOf("mac")!=-1);

if (ie && win)
{     	 	
    //pluginlist = detectIE("PDF.PdfCtrl.5","Acrobat Reader") + detectIE("PDF.PdfCtrl.6","Acrobat Reader") 
    //              + detectIE("PDF.PdfCtrl.1","Acrobat Reader") + detectIE("AcroPDF.PDF.1","Acrobat Reader");
 
    // Only check first occurence of acrobat. see bug 1560 /HW
    pluginlist = detectIE("AcroPDF.PDF","Acrobat Reader");     //Acrobat reader nyare versioner VersionIndependentProgID
    if(pluginlist == "") pluginlist = detectIE("AcroPDF.PDF.1","Acrobat Reader");     //Acrobat reader 7             
    if(pluginlist == "") pluginlist = detectIE("PDF.PdfCtrl.6","Acrobat Reader");                 
    if(pluginlist == "") pluginlist = detectIE("PDF.PdfCtrl.5","Acrobat Reader");                 
    if(pluginlist == "") pluginlist = detectIE("PDF.PdfCtrl.1","Acrobat Reader");                 
}
if (ns || !win)
{
		nse = "";
        for (var i=0;i<navigator.mimeTypes.length;i++)
            nse += navigator.mimeTypes[i].type.toLowerCase();

		pluginlist = detectNS("application/pdf","Acrobat Reader");
}

function detectIE(ClassID,name)
{
    result = false;
    document.write('<SCRIPT LANGUAGE=VBScript>\n on error resume next \n result = IsObject(CreateObject("' + ClassID + '"))</SCRIPT>\n');
    if (result)
        return name+',';
    else
        return '';
}

function detectNS(ClassID,name)
{
    n = "";
    if (nse.indexOf(ClassID) != -1)
        if (navigator.mimeTypes[ClassID].enabledPlugin != null)
            n = name+",";

    return n;
}

pluginlist += navigator.javaEnabled() ? "Java," : "";
if (pluginlist.length > 0) pluginlist = pluginlist.substring(0,pluginlist.length-1);