/******************************************
* Snow Effect Script- By Altan d.o.o. (http://www.altan.hr/snow/index.html)
* Visit Dynamic Drive DHTML code library (http://www.dynamicdrive.com/) for full source code
* Last updated Nov 9th, 05' by DD. This notice must stay intact for use
******************************************/

var month= new Date().getMonth();
var date = new Date().getDate();
//Configure below to change URL path to the snow image - change flake every day.
  var snowsrc="images/diverse/snow3.gif";
  if (date % 10) {
    if (date % 2)
        var snowsrc="images/diverse/snow3.gif";
    else
        var snowsrc="images/diverse/snow.gif";
  } else
      var snowsrc="images/diverse/leosnow.png";

// Configure below to change number of snow to render
var no = 0;
// Only setup snow in december, use the date as # of snowflakes
if (month == 11) { no = (date <= 20 ? date : 20 );}
// In January we fade the sbow
if (month == 0 && date <= 6) { no = 11 - date; }
// 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 = "windowheight";

///////////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)? "snow.gif" : 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()*25;          // 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) {
      document.write("<div id=\"dot"+ i +"\" style=\"position: fixed; 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()", 25);
}

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);
   }