Snow Falling Effect Widgets for Blogger /WordPress

1. Go to Design > Page Elements.
2. Click Add A Gadget.
3. In Add A Gadget window, select HTML/Javascript .
4. Copy the code below and paste it inside the content box.
5. Save the gadget.
6. Drag the gadget and reposition it under Blog Posts gadget.
7. Click Save button (top right hand corner).

1. Go to Dashboard > Appearance > Widgets > Available Widgets.
2. Drag Text widget into a sidebar.
3. Paste in the code.
4. Save.

    <script type="text/javascript">

      //Configure below to change URL path to the snow image
    var snowsrc="http://3.bp.blogspot.com/-0l_0DkjlekY/Tt-6P7Va

    /AAAAAAAAFjI/ht10gKN3-Ys/s400/falling-snow.png"
       // Configure below to change number of snow to render
          var no = 15;
          // Configure whether snow should disappear after x seconds (0=never):
          var hidesnowtime = 0;
          // Configure how much snow should drop down before fading ("windowheight" or "pageheight")
          var snowdistance = "pageheight";

        ///////////Stop Config//////////////////////////////////

          var ie4up = (document.all) ? 1 : 0;
          var ns6up = (document.getElementById&&!document.all) ? 1 : 0;

            function iecompattest(){
            return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
            }

          var dx, xp, yp;    // coordinate and position variables
          var am, stx, sty;  // amplitude and step variables
          var i, doc_width = 800, doc_height = 600;

          if (ns6up) {
            doc_width = self.innerWidth;
            doc_height = self.innerHeight;
          } else if (ie4up) {
            doc_width = iecompattest().clientWidth;
            doc_height = iecompattest().clientHeight;
          }

          dx = new Array();
          xp = new Array();
          yp = new Array();
          am = new Array();
          stx = new Array();
          sty = new Array();
          snowsrc=(snowsrc.indexOf("dynamicdrive.com")!=-1)? "   https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhSgD2kbN8_wJYe-5cF_BRm-1wofdXG45x_qvLqz3rv4jbdRVkorafu-yZmUa4nqavd5Hc0QGFntbuk1qJ6ordKXRxjCj0ZmldqOv4b1VcUdBnasqRreaMM8qaMO1n4szNJCDMiyXT-IdI/s400/falling-snow.png" : snowsrc
          for (i = 0; i < no;    i) {
            dx[i] = 0;                        // set coordinate variables
            xp[i] = Math.random()*(doc_width-50);  // set position variables
            yp[i] = Math.random()*doc_height;
            am[i] = Math.random()*20;         // set amplitude variables
            stx[i] = 0.02   Math.random()/10; // set step variables
            sty[i] = 0.7   Math.random();     // set step variables
                if (ie4up||ns6up) {
              if (i == 0) {
                document.write("<div id=\"dot"  i  "\" style=\"POSITION: absolute; Z-INDEX: "  i  "; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><a href=\"http://dynamicdrive.com\"><img src='" snowsrc "' border=\"0\"><\/a><\/div>");
              } else {
                document.write("<div id=\"dot"  i  "\" style=\"POSITION: absolute; Z-INDEX: "  i  "; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><img src='" snowsrc "' border=\"0\"><\/div>");
              }
            }
          }

          function snowIE_NS6() {  // IE and NS6 main animation function
            doc_width = ns6up?window.innerWidth-10 : iecompattest().clientWidth-10;
                doc_height=(window.innerHeight && snowdistance=="windowheight")? window.innerHeight : (ie4up && snowdistance=="windowheight")?  iecompattest().clientHeight : (ie4up && !window.opera && snowdistance=="pageheight")? iecompattest().scrollHeight : iecompattest().offsetHeight;
            for (i = 0; i < no;    i) {  // iterate for every dot
              yp[i]  = sty[i];
              if (yp[i] > doc_height-50) {
                xp[i] = Math.random()*(doc_width-am[i]-30);
                yp[i] = 0;
                stx[i] = 0.02   Math.random()/10;
                sty[i] = 0.7   Math.random();
              }
              dx[i]  = stx[i];
              document.getElementById("dot" i).style.top=yp[i] "px";
              document.getElementById("dot" i).style.left=xp[i]   am[i]*Math.sin(dx[i]) "px";
            }
            snowtimer=setTimeout("snowIE_NS6()", 10);
          }

            function hidesnow(){
                if (window.snowtimer) clearTimeout(snowtimer)
                for (i=0; i<no; i  ) document.getElementById("dot" i).style.visibility="hidden"
            }

        if (ie4up||ns6up){
            snowIE_NS6();
                if (hidesnowtime>0)
                setTimeout("hidesnow()", hidesnowtime*1000)
                }

        </script>

    <br /> <img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqT8AkgNd-hMT3j_gBmL4sUsBhupOX2C1SS0Rp4evnsE15MWVZnOG0P_l_QNhCV8rfqO6LM5rFVTjJnQ5kDcDb0ZzueBeiAipkgW7ODHY1zPUBAtOq2unluBjDiXp7GDfmX-Av7liv_SY/s1600/christmas-bells-icon.png" style="position:fixed; top: 0px;left:0px;border:none;"/><img class="aneesh" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiK9XR_9prON5A2Hclib2X16dhroJJYBCRr2AyHjmZAfDYh_pXWmgwLZGGc0rxRYrFFMmlxAV2RttTBMe0jPZfmWkDkJD0bLSuMYqTe9THKoKBKS26cneOdzBGVdqHwT0JklpReFZSPV_w/s1600/christmas-bells-icon-right.png" style="position:fixed; top: 0px;right:0px;border:none;"/><br />

    <script> if (typeof bp_onload_queue == 'undefined') var bp_onload_queue = [];      if (typeof bp_dom_loaded == 'boolean') bp_dom_loaded = false;     else var bp_dom_loaded = false;      if (typeof bp_async_loader != 'function') {         function bp_async_loader(src, callback, id) {              var script = document.createElement('script');             script.type = "text/javascript";             script.async = true;             script.src = src;             script.id = id;             /*Check if script previously loaded.*/             var previous_script = document.getElementById(id);             if (previous_script) if (previous_script.readyState == "loaded" || previous_script.readyState == "complete") {                 callback();                 return;             } else {                  script = previous_script;             }             if (script.onload != null) previous_callback = script.onload;             script.onload = script.onreadystatechange = function() {                 var newcallback;                 if (previous_script && previous_callback) newcallback = function() {                     previous_callback();                     callback();                 };                 else newcallback = callback;                 if (bp_dom_loaded) {                     newcallback();                 } else bp_onload_queue.push(newcallback);                 /* clean up for IE and Opera*/                 script.onload = null;                 script.onreadystatechange = null;             };             var head = document.getElementsByTagName('head')[0];             if (!previous_script) head.appendChild(script);          }     }      if (typeof bp_domLoaded != 'function') function bp_domLoaded(callback) {         bp_dom_loaded = true;         var len = bp_onload_queue.length;         for (var i = 0; i < len; i  ) {             bp_onload_queue[i]();         }     }     /*JS gets loaded here */      bp_domLoaded();      /*Loading jQuery Asynchronously */     bp_async_loader("http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js", function() {          bp_async_loader("http://blogergadgets.googlecode.com/svn/trunk/snowfall.min.jquery.js", function() {}, "bp-snow");      }, "jQueryjs"); </script>