Original : rwdImageMaps jQuery plugin v1.5 Chrome/Safari (webkit) で画像のロードに遅延が発生した場合など、画像のオリジナルサイズが正しく取得できないことがあったのを修正

fix_original_image_size_ acquisition_for_webkits.patch

--- pre.rwdImageMaps.js 2013-11-18 05:54:45.588799920 +0900
+++ post.rwdImageMaps.js        2013-11-18 05:53:19.692799931 +0900
@@ -37,6 +37,14 @@
                             h = temp.height;
                     }

+                    // To get the natural width and height on Webkit, just use this.(width/height)
+                    if (!w || !h) {
+                        if (!w)
+                            w = this.width;
+                        if (!h)
+                            h = this.height;
+                    }
+
                     var wPercent = $that.width()/100,
                     hPercent = $that.height()/100,
                     map = $that.attr('usemap').replace('#', ''),