function randomSequence(min,max,quantity)
{
      var arrNumber=new Array();
      var i=0
      while(i < quantity)
      {
            var intNumber = Math.floor(Math.random() * (max - min + 1) + min);
            var accept=true;
            for( var j=0;j<quantity;++j)
            {
                  if( intNumber == arrNumber[j])
                  {
                        accept=false;
                        break;
                  }
            }
            if(accept)
            {
                  arrNumber[i++] = intNumber;
            }
      }
return arrNumber;
}


var b = randomSequence(1,4,1).toString();
var picnum = new Array();
picnum = b.split(',');