function get_flashVersion(){  
    var flashVersion = 0;
    var arr = navigator.plugins;
    for(var i=0;i<arr.length;i++){
        //document.write("<b>arr["+i+"] is </b>=>"+arr[i].description+"<br>");
        //document.write("<b>arr["+i+"] is </b>=>"+arr[i].version+"<br>");      
        var str = arr[i].description; 
        var patt1 = /flash/gi;
        var flashinstalled = str.match(patt1);
        if(flashinstalled != null) {
            //alert(arr[i].version);
            var flashVer = arr[i].version;
            flashVerArrr = flashVer.split('.');
            var flashVersion = flashVerArrr[0];
            //alert (flashVersion);
        }     
    }
    return flashVersion;
}
var flashVersion = get_flashVersion();
//alert(flashVersion);