/*!
 * jQuery corner plugin: simple corner rounding
 * Examples and documentation at: http://jquery.malsup.com/corner/
 * version 2.06 (16-FEB-2010)
 * Requires jQuery v1.3.2 or later
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Authors: Dave Methvin and Mike Alsup
 */
;(function($) {
  var style = document.createElement("div").style;
  var moz = style["MozBorderRadius"] !== undefined;
  var webkit = style["WebkitBorderRadius"] !== undefined;
  var radius = style["BorderRadius"] !== undefined;
  var mode = document.documentMode || 0;
  var noBottomFold = $.browser.msie && ($.browser.version < 8 && !mode || mode < 8);
  var expr = $.browser.msie && function() {
    var div = document.createElement("div");
    try {
      div.style.setExpression("width", "0+0");
      div.style.removeExpression("width")
    }catch(e) {
      return false
    }return true
  }();
  function sz(el, p) {
    return parseInt($.css(el, p)) || 0
  }
  function hex2(s) {
    var s = parseInt(s).toString(16);
    return s.length < 2 ? "0" + s : s
  }
  function gpc(node) {
    for(;node && node.nodeName.toLowerCase() != "html";node = node.parentNode) {
      var v = $.css(node, "backgroundColor");
      if(v == "rgba(0, 0, 0, 0)")continue;
      if(v.indexOf("rgb") >= 0) {
        var rgb = v.match(/\d+/g);
        return"#" + hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2])
      }if(v && v != "transparent")return v
    }return"#ffffff"
  }
  function getWidth(fx, i, width) {
    switch(fx) {
      case "round":
        return Math.round(width * (1 - Math.cos(Math.asin(i / width))));
      case "cool":
        return Math.round(width * (1 + Math.cos(Math.asin(i / width))));
      case "sharp":
        return Math.round(width * (1 - Math.cos(Math.acos(i / width))));
      case "bite":
        return Math.round(width * Math.cos(Math.asin((width - i - 1) / width)));
      case "slide":
        return Math.round(width * Math.atan2(i, width / i));
      case "jut":
        return Math.round(width * Math.atan2(width, width - i - 1));
      case "curl":
        return Math.round(width * Math.atan(i));
      case "tear":
        return Math.round(width * Math.cos(i));
      case "wicked":
        return Math.round(width * Math.tan(i));
      case "long":
        return Math.round(width * Math.sqrt(i));
      case "sculpt":
        return Math.round(width * Math.log(width - i - 1, width));
      case "dogfold":
      ;
      case "dog":
        return i & 1 ? i + 1 : width;
      case "dog2":
        return i & 2 ? i + 1 : width;
      case "dog3":
        return i & 3 ? i + 1 : width;
      case "fray":
        return i % 2 * width;
      case "notch":
        return width;
      case "bevelfold":
      ;
      case "bevel":
        return i + 1
    }
  }
  $.fn.corner = function(options) {
    if(this.length == 0) {
      if(!$.isReady && this.selector) {
        var s = this.selector, c = this.context;
        $(function() {
          $(s, c).corner(options)
        })
      }return this
    }return this.each(function(index) {
      var $this = $(this);
      var o = [$this.attr($.fn.corner.defaults.metaAttr) || "", options || ""].join(" ").toLowerCase();
      var keep = /keep/.test(o);
      var cc = (o.match(/cc:(#[0-9a-f]+)/) || [])[1];
      var sc = (o.match(/sc:(#[0-9a-f]+)/) || [])[1];
      var width = parseInt((o.match(/(\d+)px/) || [])[1]) || 10;
      var re = /round|bevelfold|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dogfold|dog/;
      var fx = (o.match(re) || ["round"])[0];
      var fold = /dogfold|bevelfold/.test(o);
      var edges = {T:0, B:1};
      var opts = {TL:/top|tl|left/.test(o), TR:/top|tr|right/.test(o), BL:/bottom|bl|left/.test(o), BR:/bottom|br|right/.test(o)};
      if(!opts.TL && !opts.TR && !opts.BL && !opts.BR)opts = {TL:1, TR:1, BL:1, BR:1};
      if($.fn.corner.defaults.useNative && fx == "round" && (radius || moz || webkit) && !cc && !sc) {
        if(opts.TL)$this.css(radius ? "border-top-left-radius" : moz ? "-moz-border-radius-topleft" : "-webkit-border-top-left-radius", width + "px");
        if(opts.TR)$this.css(radius ? "border-top-right-radius" : moz ? "-moz-border-radius-topright" : "-webkit-border-top-right-radius", width + "px");
        if(opts.BL)$this.css(radius ? "border-bottom-left-radius" : moz ? "-moz-border-radius-bottomleft" : "-webkit-border-bottom-left-radius", width + "px");
        if(opts.BR)$this.css(radius ? "border-bottom-right-radius" : moz ? "-moz-border-radius-bottomright" : "-webkit-border-bottom-right-radius", width + "px");
        return
      }var strip = document.createElement("div");
      $(strip).css({overflow:"hidden", height:"1px", minHeight:"1px", fontSize:"1px", backgroundColor:sc || "transparent", borderStyle:"solid"});
      var pad = {T:parseInt($.css(this, "paddingTop")) || 0, R:parseInt($.css(this, "paddingRight")) || 0, B:parseInt($.css(this, "paddingBottom")) || 0, L:parseInt($.css(this, "paddingLeft")) || 0};
      if(typeof this.style.zoom != undefined)this.style.zoom = 1;
      if(!keep)this.style.border = "none";
      strip.style.borderColor = cc || gpc(this.parentNode);
      var cssHeight = $.curCSS(this, "height");
      for(var j in edges) {
        var bot = edges[j];
        if(bot && (opts.BL || opts.BR) || !bot && (opts.TL || opts.TR)) {
          strip.style.borderStyle = "none " + (opts[j + "R"] ? "solid" : "none") + " none " + (opts[j + "L"] ? "solid" : "none");
          var d = document.createElement("div");
          $(d).addClass("jquery-corner");
          var ds = d.style;
          bot ? this.appendChild(d) : this.insertBefore(d, this.firstChild);
          if(bot && cssHeight != "auto") {
            if($.css(this, "position") == "static")this.style.position = "relative";
            ds.position = "absolute";
            ds.bottom = ds.left = ds.padding = ds.margin = "0";
            if(expr)ds.setExpression("width", "this.parentNode.offsetWidth");
            else ds.width = "100%"
          }else if(!bot && $.browser.msie) {
            if($.css(this, "position") == "static")this.style.position = "relative";
            ds.position = "absolute";
            ds.top = ds.left = ds.right = ds.padding = ds.margin = "0";
            if(expr) {
              var bw = sz(this, "borderLeftWidth") + sz(this, "borderRightWidth");
              ds.setExpression("width", "this.parentNode.offsetWidth - " + bw + '+ "px"')
            }else ds.width = "100%"
          }else {
            ds.position = "relative";
            ds.margin = !bot ? "-" + pad.T + "px -" + pad.R + "px " + (pad.T - width) + "px -" + pad.L + "px" : pad.B - width + "px -" + pad.R + "px -" + pad.B + "px -" + pad.L + "px"
          }for(var i = 0;i < width;i++) {
            var w = Math.max(0, getWidth(fx, i, width));
            var e = strip.cloneNode(false);
            e.style.borderWidth = "0 " + (opts[j + "R"] ? w : 0) + "px 0 " + (opts[j + "L"] ? w : 0) + "px";
            bot ? d.appendChild(e) : d.insertBefore(e, d.firstChild)
          }if(fold && $.support.boxModel) {
            if(bot && noBottomFold)continue;
            for(var c in opts) {
              if(!opts[c])continue;
              if(bot && (c == "TL" || c == "TR"))continue;
              if(!bot && (c == "BL" || c == "BR"))continue;
              var common = {position:"absolute", border:"none", margin:0, padding:0, overflow:"hidden", backgroundColor:strip.style.borderColor};
              var $horz = $("<div/>").css(common).css({width:width + "px", height:"1px"});
              switch(c) {
                case "TL":
                  $horz.css({bottom:0, left:0});
                  break;
                case "TR":
                  $horz.css({bottom:0, right:0});
                  break;
                case "BL":
                  $horz.css({top:0, left:0});
                  break;
                case "BR":
                  $horz.css({top:0, right:0});
                  break
              }
              d.appendChild($horz[0]);
              var $vert = $("<div/>").css(common).css({top:0, bottom:0, width:"1px", height:width + "px"});
              switch(c) {
                case "TL":
                  $vert.css({left:width});
                  break;
                case "TR":
                  $vert.css({right:width});
                  break;
                case "BL":
                  $vert.css({left:width});
                  break;
                case "BR":
                  $vert.css({right:width});
                  break
              }
              d.appendChild($vert[0])
            }
          }
        }
      }
    })
  };
  $.fn.uncorner = function() {
    if(radius || moz || webkit)this.css(radius ? "border-radius" : moz ? "-moz-border-radius" : "-webkit-border-radius", 0);
    $("div.jquery-corner", this).remove();
    return this
  };
  $.fn.corner.defaults = {useNative:true, metaAttr:"data-corner"}
})(jQuery);