Article:
  Plug-In Detection with JavaScript
Subject:   Detecting Acrobat Reader
Date:   2005-05-29 06:59:36
From:   eyalib
Response to: Detecting Acrobat Reader

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  • Detecting Acrobat Reader
    2009-08-18 21:49:52  Janissary [View]


    function PDF_Check (URLStr) {
    var displayString;
    var acrobat=new Object();
    acrobat.installed=false;
    acrobat.version='0.0';

    if (navigator.plugins && navigator.plugins.length) {
    for (x=0; x<navigator.plugins.length;x++) {
    if (navigator.plugins[x].description.indexOf('Adobe Acrobat')!= -1) {
    acrobat.version=parseFloat(navigator.plugins[x].description.split('Version ')[1]);
    if (acrobat.version.toString().length == 1) acrobat.version+='.0';
    acrobat.installed=true;
    displayString = 'Acrobat Version: '+acrobat.version;
    break;
    } else if (navigator.plugins[x].description.indexOf('Adobe PDF Plug-In') != -1) {
    acrobat.installed=true;
    acrobat.version ='8+';
    displayString = 'Acrobat Version 8 or Above';
    }
    }
    } else if (window.ActiveXObject)
    {
    for (x=2; x<10; x++)
    {
    try
    {
    oAcro=eval("new ActiveXObject('PDF.PdfCtrl."+x+"');");
    if (oAcro)
    {
    acrobat.installed=true;

    acrobat.version=x+'.0';
    displayString = 'Acrobat Version: '+acrobat.version;
    }
    }
    catch(e) {}
    }

    try
    {
    oAcro4=new ActiveXObject('PDF.PdfCtrl.1');
    if (oAcro4)
    {
    acrobat.installed=true;
    acrobat.version='4.0';
    displayString = 'Acrobat Version: '+acrobat.version;
    }
    }
    catch(e) {}

    try
    {
    oAcro7=new ActiveXObject('AcroPDF.PDF.1');
    if (oAcro7)
    {
    acrobat.installed=true;
    acrobat.version='7.0';
    displayString = 'Acrobat Version: '+acrobat.version;
    }
    }
    catch(e) {}
    }
    if (! displayString) { //do sthg, no acrobat available } else { //acrobat is installed, go ahead and show your pdf}
    displayString = 'Acrobat Installed: Information Not Available';
    }
    </code>


    this code will detect all acrobat versions up to this time on MS boxes. Mac users will have to take care of themselves, sorry :)