# Yahoo! UI Library

### swfdetect 2.8.1

Yahoo! UI Library > swfdetect > swfdetect.js (source view)
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    /**
     * Utility for Flash version detection
     * @namespace YAHOO.util
     * @module swfdetect
     */
    YAHOO.namespace("util");

    /**
     * Flafh detection utility.
     * @class SWFDetect
     * @static
     */
    (function () {

    var version = 0;
    var uA = YAHOO.env.ua;
    var sF = "ShockwaveFlash";

     	if (uA.gecko || uA.webkit || uA.opera) {
    		   if ((mF = navigator.mimeTypes['application/x-shockwave-flash'])) {
    		      if ((eP = mF.enabledPlugin)) {
    				 var vS = [];
    		         vS = eP.description.replace(/\s[rd]/g, '.').replace(/[A-Za-z\s]+/g, '').split('.');
    		        version = vS[0] + '.';
    				switch((vS[2].toString()).length)
    				{
    					case 1:
    					version += "00";
    					break;
    					case 2:
    					version += "0";
    					break;
    				}
    		 		version +=  vS[2];
    				version = parseFloat(version);
    		      }
    		   }
    		}
    		else if(uA.ie) {
    		    try
    		    {
    		        var ax6 = new ActiveXObject(sF + "." + sF + ".6");
    		        ax6.AllowScriptAccess = "always";
    		    }
    		    catch(e)
    		    {
    		        if(ax6 != null)
    		        {
    		            version = 6.0;
    		        }
    		    }
    		    if (version == 0) {
    		    try
    		    {
    		        var ax  = new ActiveXObject(sF + "." + sF);
    		       	var vS = [];
    		        vS = ax.GetVariable("$version").replace(/[A-Za-z\s]+/g, '').split(',');
    		        version = vS[0] + '.';
    				switch((vS[2].toString()).length)
    				{
    					case 1:
    					version += "00";
    					break;
    					case 2:
    					version += "0";
    					break;
    				}
    		 		version +=  vS[2];
    				version = parseFloat(version);

    		    } catch (e) {}
    		    }
    		}

    		uA.flash = version;

    YAHOO.util.SWFDetect = {
    		getFlashVersion : function () {
    			return version;
    		},

    		isFlashVersionAtLeast : function (ver) {
    			return version >= ver;
    		}
    	};
    })();

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