/**
 * Plugin to animate background position
 * @author Alexander Farkas
 * v. 1.21
 */

(function($) {
	if(!document.defaultView || !document.defaultView.getComputedStyle){ // IE6-IE8
		var oldCurCSS = jQuery.curCSS;
		jQuery.curCSS = function(elem, name, force){
			if(name === 'background-position'){
				name = 'backgroundPosition';
			}
			if(name !== 'backgroundPosition' || !elem.currentStyle || elem.currentStyle[ name ]){
				return oldCurCSS.apply(this, arguments);
			}
			var style = elem.style;
			if ( !force && style && style[ name ] ){
				return style[ name ];
			}
			return oldCurCSS(elem, 'backgroundPositionX', force) +' '+ oldCurCSS(elem, 'backgroundPositionY', force);
		};
	}
	
	var oldAnim = $.fn.animate;
	$.fn.animate = function(prop){
		if('background-position' in prop){
			prop.backgroundPosition = prop['background-position'];
			delete prop['background-position'];
		}
		if('backgroundPosition' in prop){
			prop.backgroundPosition = '('+ prop.backgroundPosition;
		}
		return oldAnim.apply(this, arguments);
	};
	
	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]];
	}
	
	$.fx.step. backgroundPosition = function(fx) {
		if (!fx.bgPosReady) {
			var start = $.curCSS(fx.elem,'backgroundPosition');
			
			if(!start){//FF2 no inline-style fallback
				start = '0px 0px';
			}
			
			start = toArray(start);
			
			fx.start = [start[0],start[2]];
			
			var end = toArray(fx.options.curAnim.backgroundPosition);
			fx.end = [end[0],end[2]];
			
			fx.unit = [end[1],end[3]];
			fx.bgPosReady = true;
		}
		//return;
		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];

	};
})(jQuery);

/**
 * Plugin for autocomplete combobox
 * @author unknown
 */

(function($) {
  $.widget("ui.combobox", {
    _create: function() {
      var self = this;
      var select = this.element.hide();
      var input = $("<input>")
        .insertAfter(select)
        .autocomplete({
          source: function(request, response) {
            var matcher = new RegExp(request.term, "i");
            response(select.children("option").map(function() {
              var text = $(this).text();
              if (this.value && (!request.term || matcher.test(text)))
                return {
                  id: this.value,
                  label: text.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + $.ui.autocomplete.escapeRegex(request.term) + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>"),
                  value: text
                };
            }));
          },
          delay: 0,
          change: function(event, ui) {
            if (!ui.item) {
              // remove invalid value, as it didn't match anything
              $(this).val("");
              return false;
            }
            select.val(ui.item.id);
            self._trigger("selected", event, {
              item: select.find("[value='" + ui.item.id + "']")
            });
            
          },
          minLength: 0
        })
        .addClass("ui-widget ui-widget-content ui-corner-left");
      $("<button>&nbsp;</button>")
      .attr("tabIndex", -1)
      .attr("title", "Show All Items")
      .insertAfter(input)
      .button({
        icons: {
          primary: "ui-icon-triangle-1-s"
        },
        text: false
      }).removeClass("ui-corner-all")
      .addClass("ui-corner-right ui-button-icon")
      .click(function() {
        // close if already visible
        if (input.autocomplete("widget").is(":visible")) {
          input.autocomplete("close");
          return;
        }
        // pass empty string as value to search for, displaying all results
        input.autocomplete("search", "");
        input.focus();
      });
    }
  });

})(jQuery);