function rand (min, max) {
  var argc = arguments.length;
  if (argc === 0) {  min = 0; max = 2147483647;  } else if (argc === 1) {
      throw new Error('Warning: rand() expects exactly 2 parameters, 1 given');
  }
  return Math.floor(Math.random() * (max - min + 1)) + min;
}


jQuery("document").ready(function(){

  //pngfix {
  jQuery(document).pngFix();
  //}
  
  //sf menu (dropdown menu){
  jQuery(".sf-menu").superfish();
  jQuery(".sf-menu li:last").addClass('item-last');
  //}
  
  //randomize header img {
  var randomheadimg = 'images/splashimg'+rand(1,5)+'.jpg';
  var headimgl = jQuery(".headerimg_left img").attr('src',randomheadimg);
  headimgl.load(function(){
    $(this).css('display','block');
  });
  //}
});