/* Copyright (c) 2008 David Lynch, http://davidlynch.org/
Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php*/
(function(C) { var A, B, I, J, K, G, E, D, F, H; A = document.namespaces; has_canvas = document.createElement("canvas"); has_canvas = has_canvas && has_canvas.getContext; if (!(has_canvas || A)) { C.fn.maphilight = function() { return this }; return } if (has_canvas) { E = function(M, N, L) { if (N <= 1) { M.style.opacity = N; window.setTimeout(E, 10, M, N + 0.1, 10) } }; D = function(L) { return Math.max(0, Math.min(parseInt(L, 16), 255)) }; F = function(L, M) { return "rgba(" + D(L.substr(0, 2)) + "," + D(L.substr(2, 2)) + "," + D(L.substr(4, 2)) + "," + M + ")" }; B = function(L) { var M = C('<canvas style="width:' + L.width + "px;height:" + L.height + 'px;"></canvas>').get(0); M.getContext("2d").clearRect(0, 0, M.width, M.height); return M }; I = function(Q, M, L, P) { var O, N = Q.getContext("2d"); N.beginPath(); if (M == "rect") { N.rect(L[0], L[1], L[2] - L[0], L[3] - L[1]) } else { if (M == "poly") { N.moveTo(L[0], L[1]); for (O = 2; O < L.length; O += 2) { N.lineTo(L[O], L[O + 1]) } } else { if (M == "circ") { N.arc(L[0], L[1], L[2], 0, Math.PI * 2, false) } } } N.closePath(); if (P.fill) { N.fillStyle = F(P.fillColor, P.fillOpacity); N.fill() } if (P.stroke) { N.strokeStyle = F(P.strokeColor, P.strokeOpacity); N.lineWidth = P.strokeWidth; N.stroke() } if (P.fade) { E(Q, 0) } }; J = function(L, M) { L.getContext("2d").clearRect(0, 0, L.width, L.height) } } else { document.namespaces.add("v", "urn:schemas-microsoft-com:vml"); var ss = document.createStyleSheet(); ss.addRule("v\\:shape", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:shape", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:group", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:polyline", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:stroke", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:fill", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:rect", "behavior:url(#default#VML);display:inline-block;antialias:true"); ss.addRule("v\\:oval", "behavior:url(#default#VML);display:inline-block;antialias:true"); B = function(L) { return C('<var style="zoom:1;overflow:hidden;display:block;width:' + L.width + "px;height:" + L.height + 'px;"></var>').get(0) }; I = function(P, M, L, O) { var R, S, N, Q; R = '<v:fill color="#' + O.fillColor + '" opacity="' + (O.fill ? O.fillOpacity : 0) + '" />'; S = (O.stroke ? 'strokeweight="' + O.strokeWidth + '" stroked="t" strokecolor="#' + O.strokeColor + '"' : 'stroked="f"'); N = '<v:stroke opacity="' + O.strokeOpacity + '"/>'; if (M == "rect") { Q = C('<v:rect filled="t" ' + S + ' style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:' + L[0] + "px;top:" + L[1] + "px;width:" + (L[2] - L[0]) + "px;height:" + (L[3] - L[1]) + 'px;"></v:rect>') } else { if (M == "poly") { Q = C('<v:shape filled="t" ' + S + ' coordorigin="0,0" coordsize="' + P.width + "," + P.height + '" path="m ' + L[0] + "," + L[1] + " l " + L.join(",") + ' x e" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:0px;left:0px;width:' + P.width + "px;height:" + P.height + 'px;"></v:shape>') } else { if (M == "circ") { Q = C('<v:oval filled="t" ' + S + ' style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:' + (L[0] - L[2]) + "px;top:" + (L[1] - L[2]) + "px;width:" + (L[2] * 2) + "px;height:" + (L[2] * 2) + 'px;"></v:oval>') } } } Q.get(0).innerHTML = R + N; C(P).append(Q) }; J = function(L) { C(L).empty() } } K = function(N) { var M, L = N.getAttribute("coords").split(","); for (M = 0; M < L.length; M++) { L[M] = parseFloat(L[M]) } return [N.getAttribute("shape").toLowerCase().substr(0, 4), L] }; H = function(L) { if (!L.complete) { return false } if (typeof L.naturalWidth != "undefined" && L.naturalWidth == 0) { return false } return true }; G = { position: "absolute", left: 0, top: 0, padding: 0, border: 0 }; C.fn.maphilight = function(L) { L = C.extend({}, C.fn.maphilight.defaults, L); return this.each(function() { var N, Q, P, R, O, M; N = C(this); if (!H(this)) { return window.setTimeout(function() { N.maphilight() }, 200) } P = C.metadata ? C.extend({}, L, N.metadata()) : L; R = C('map[name="' + N.attr("usemap").substr(1) + '"]'); if (!(N.is("img") && N.attr("usemap") && R.size() > 0 && !N.hasClass("maphilighted"))) { return } Q = C("<div>").css({ display: "block", background: "url(" + this.src + ")", position: "relative", padding: 0, width: this.width, height: this.height }); N.before(Q).css("opacity", 0).css(G).remove(); if (C.browser.msie) { N.css("filter", "Alpha(opacity=0)") } Q.append(N); O = B(this); C(O).css(G); O.height = this.height; O.width = this.width; M = function(T) { var S = K(this); I(O, S[0], S[1], C.metadata ? C.extend({}, P, C(this).metadata()) : P) }; if (P.alwaysOn) { C(R).find("area[coords]").each(M) } else { C(R).find("area[coords]").mouseover(M).mouseout(function(S) { J(O) }) } N.before(O); N.addClass("maphilighted") }) }; C.fn.maphilight.defaults = { fill: true, fillColor: "000000", fillOpacity: 0.2, stroke: true, strokeColor: "ff0000", strokeOpacity: 1, strokeWidth: 1, fade: true, alwaysOn: false} })(jQuery);