/* KEEP YOUR JQUERY DOM TRAVELS OUT OF MAH FUNCTIONS - NO DOLLAR SIGNS DAMNIT */



function append_effects (container, effects) {

  for(_slide in effects)  { //checking all the slides to add to the system

    for(_item in effects[_slide]['items']) {  //checking all the items in the slides

      var element = effects[_slide]['items'][_item]['element']; //assign html/jquery element to element

      element.hide();

      container.append(element); //append element to container

      element.css(effects[_slide]['items'][_item]['start']); //apply the element's css

    }

  }

}



function show_effects(slide, stopper) {

  for (_item in slide['items']) { //for each item in the slide

    var element = slide['items'][_item]['element']; //assign item to element

    element.show(); //show the element

    if(typeof slide['items'][_item]['callback_function'] !== 'function') {

      slide['items'][_item]['callback_function'] = null;

    }

    if(typeof slide['items'][_item]['stopper'] != 'undefined' && stopper && slide['items'][_item]['stopper']) {

      break;

    }

    element.delay(slide['items'][_item]['animate_wait']).animate(  //animate the element

      slide['items'][_item]['animate'],

      slide['items'][_item]['animate_time'],

      slide['items'][_item]['callback_function']

    );

  }

}



function hide_effects(effects, animation_cell) {

  if(typeof animation_cell != 'undefined' && animation_cell) {

    animation_cell.stop(0,0);

  }

  for (_slide in effects) { //for each slide in the system

    for (_item in effects[_slide]['items']) { //for each item in each slide

      var resetvars = effects[_slide]['items'][_item]['start'];  //get the css to reset to

      var resetelem = effects[_slide]['items'][_item]['element'];  //get the item's element to reset

      resetelem.hide();

      resetelem.stop(1,1); //finish any animation happening with item

      resetelem.css(resetvars); //reset the element

    }

  }

}



function tween_hover(menu_element, animation_cell, effects, tween_slide, link_from, link_target, delay) {

  

  if(menu_element) { animation_cell.css(effects[menu_element.attr('id')]['background']); } //we're depending on the calling id matching an element in the slides

  hide_effects(effects, animation_cell); //hide all effects happening

  if(link_from && link_target) { //if we're given some link objects, we'll shove the href from one to the other, and check target too

    link_target.href = link_from.href;

    if(link_from.target) {

      link_target.target = link_from.target;

    } else {

      link_target.target = "";

    }

  }

  show_effects(tween_slide); //run the tweenslide effects

}



function menu_flash(menu_container, background_image, x_coord_to, y_coord_to, x_coord_from, y_coord_from, speed) {

  menu_container.css({

    'background-image': 'url('+background_image+')',

    'background-repeat': 'repeat-x',

    'background-position':  x_coord_from.toString()+'px '+y_coord_from.toString()+'px'

  });

  menu_container.animate(

    {'backgroundPosition': x_coord_to.toString()+'px '+y_coord_to.toString()+'px'},

    speed, function() {}

  );

}



/** AND NOW OTHER GUY'S STUFF: **/

/**

 * @author Alexander Farkas

 * v. 1.02

 */

(function($) {

	$.extend($.fx.step,{

    backgroundPosition: function(fx) {

      if (fx.state === 0 && typeof fx.end == 'string') {

        var start = $.curCSS(fx.elem,'backgroundPosition');

        if(typeof start == 'undefined') { start = '0px 0px'; }  /* Internet Exploder 8 */

        start = toArray(start);

        fx.start = [start[0],start[2]];

        var end = toArray(fx.end);

        fx.end = [end[0],end[2]];

        fx.unit = [end[1],end[3]];

      }

      var nowPosX = [];

      nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];

      nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];

      fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];

      function toArray(strg){

        strg = strg.replace(/left|top/g,'0px');

        strg = strg.replace(/right|bottom/g,'100%');

        strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");

        var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);

        return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];

      }

    }

	});

})(jQuery);