/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
$.fn.droppy = function(options) {
    
  options = $.extend({speed: 250}, options || {});
  
  this.each(function() {
    
    var root = this, zIndex = 1000;
    
    function getSubnav(ele) {
      if (ele.nodeName.toLowerCase() == 'li') {
        var subnav = $('> ul', ele);
        return subnav.length ? subnav[0] : null;
      } else {
        return ele;
      }
    }
    
    function getActuator(ele) {
      if (ele.nodeName.toLowerCase() == 'ul') {
        return $(ele).parents('li')[0];
      } else {
        return ele;
      }
    }
    
    function hide() {
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', false);
      setTimeout(function() {
        if (!$.data(subnav, 'cancelHide')) {
          $(subnav).slideUp(options.speed);
        }
      }, 500);
    }
  
    function show() {
      var subnav = getSubnav(this);
      if (!subnav) return;
      $.data(subnav, 'cancelHide', true);
      $(subnav).css({zIndex: zIndex++}).slideDown(options.speed);
      if (this.nodeName.toLowerCase() == 'ul') {
        var li = getActuator(this);
        $(li).addClass('hover');
        $('> a', li).addClass('hover');
      }
    }
    
    $('ul, li', this).hover(show, hide);
    $('li', this).hover(
      function() { $(this).addClass('hover'); $('> a', this).addClass('hover'); },
      function() { $(this).removeClass('hover'); $('> a', this).removeClass('hover'); }
    );
    
  });
  
};


function smartColumns() { //Create a function that calculates the smart columns

        //Reset column size to a 100% once view port has been adjusted
	$("ul.column").css({ 'width' : "100%"});

	var colWrap = $("ul.column").width(); //Get the width of row
	var colNum = Math.floor(colWrap / 200); //Find how many columns of 200px can fit per row / then round it down to a whole number
	var colFixed = Math.floor(colWrap / colNum); //Get the width of the row and divide it by the number of columns it can fit / then round it down to a whole number. This value will be the exact width of the re-adjusted column

	$("ul.column").css({ 'width' : colWrap}); //Set exact width of row in pixels instead of using % - Prevents cross-browser bugs that appear in certain view port resolutions.
	$("ul.column li").css({ 'width' : colFixed}); //Set exact width of the re-adjusted column	

}	

smartColumns();//Execute the function when page loads

$(window).resize(function () { //Each time the viewport is adjusted/resized, execute the function
	smartColumns();
});