Implemented PNG export

sources/scripts/guide.js

@@ -0,0 +1,21 @@
+function Guide()
+{
+  this.el = document.createElement("div");
+
+  // Guide
+  this.el.id = "guide";
+
+  this.start = function()
+  {
+    // Markers
+    for (var x = dotgrid.grid_x; x >= 0; x--) {
+      for (var y = dotgrid.grid_y; y >= 0; y--) {
+        var marker = document.createElement("div");
+        marker.setAttribute("class",(x % dotgrid.block_x == 0 && y % dotgrid.block_y == 0 ? "marker bm" : "marker bl"));
+        marker.style.left = parseInt(x * dotgrid.grid_width + (dotgrid.grid_width/2)) +5;
+        marker.style.top = parseInt(y * dotgrid.grid_height + (dotgrid.grid_height/2)) +5;
+        this.el.appendChild(marker);
+      }
+    }
+  }
+}