/******************************************
 * 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
 ******************************************/
   
  // Настройка ниже для изменения URL путь к изображению снега
   var snowsrc="flake4.gif"
   // Настройка ниже, чтобы поменять количество отображаемых снежинок
   var no = 10;
   // Укажите ниже время (в секундах) через которое должен исчезнуть снег (0 = никогда)
   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()*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)
                 }