var a = 0;
a = Math.random();
a = Math.round(20*a);

var SNOW_Picture = "fileadmin/templates/winter/images/snow/snow"+a+".gif";
var SNOW_no = 20;

var SNOW_browser_IE_NS = (document.body.clientHeight) ? 1 : 0;
var SNOW_browser_MOZ = (self.innerWidth) ? 1 : 0;
var SNOW_browser_IE7 = (document.documentElement.clientHeight) ? 1 : 0;

var SNOW_Time;
var SNOW_dx, SNOW_xp, SNOW_yp;
var SNOW_am, SNOW_stx, SNOW_sty; 
var i, SNOW_Browser_Width, SNOW_Browser_Height;

if (SNOW_browser_IE_NS)
{
  SNOW_Browser_Width = document.body.clientWidth;
  SNOW_Browser_Height = document.body.clientHeight;
}
else if (SNOW_browser_MOZ)
{
  SNOW_Browser_Width = self.innerWidth - 20;
  SNOW_Browser_Height = self.innerHeight;
}
else if (SNOW_browser_IE7)
{
  SNOW_Browser_Width = document.documentElement.clientWidth;
  SNOW_Browser_Height = document.documentElement.clientHeight;
}


SNOW_dx = new Array();
SNOW_xp = new Array();
SNOW_yp = new Array();
SNOW_am = new Array();
SNOW_stx = new Array();
SNOW_sty = new Array();

for (i = 0; i < SNOW_no; ++ i) 
{ 
  SNOW_dx[i] = 0; 
  SNOW_xp[i] = Math.random()*(SNOW_Browser_Width-60);
  SNOW_yp[i] = Math.random()*SNOW_Browser_Height;
  SNOW_am[i] = Math.random()*20; 
  SNOW_stx[i] = 0.02 + Math.random()/10;
  SNOW_sty[i] = 0.7 + Math.random();
  if (i == 0) document.write("<\div id=\"SNOW_flake"+ i +"\" style=\"position: absolute; z-index: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><a href=\"http://www.peters1.dk\" target=\"_blank\"><\img src=\""+SNOW_Picture+"\" border=\"0\"></a><\/div>");
  else document.write("<\div id=\"SNOW_flake"+ i +"\" style=\"position: absolute; z-index: "+ i +"; visibility: visible; top: 15px; left: 15px;\"><\img src=\""+SNOW_Picture+"\" border=\"0\"><\/div>");
}

function SNOW_Weather() 
{ 

for (i = 0; i < SNOW_no; ++ i) 
{ 
  SNOW_yp[i] += SNOW_sty[i];

  if (SNOW_yp[i] > SNOW_Browser_Height-50) 
  {
    SNOW_xp[i] = Math.random()*(SNOW_Browser_Width-SNOW_am[i]-30);
    SNOW_yp[i] = 0;
    SNOW_stx[i] = 0.02 + Math.random()/10;
    SNOW_sty[i] = 0.7 + Math.random();
  }

  SNOW_dx[i] += SNOW_stx[i];

  document.getElementById("SNOW_flake"+i).style.top=SNOW_yp[i]+"px";
  document.getElementById("SNOW_flake"+i).style.left=SNOW_xp[i] + SNOW_am[i]*Math.sin(SNOW_dx[i])+"px";
}

SNOW_Time = setTimeout("SNOW_Weather()", 40);

}

function countDigits()
{ 
  var maxDigits = 255;   //maximale Zeichenanzahl 
  var areaString = document.forms[0].widmung.value;     
  var currLength = areaString.length + 1; 
  var restLength = maxDigits - currLength +1; 
  if ( restLength <  0 ) { 
    restLength = 0; 
  } 
                    
  document.forms[0].counter.value = restLength;    
  if (areaString.length  > maxDigits-1) { 
    //die folgende Zeile entfernt alle Zeichen die  > maxDigits sind 
    document.forms[0].widmung.value = document.forms[0].widmung.value.substring(0,maxDigits); 
  } 
} 

SNOW_Weather();