wrote oscillator section

graphics/bode-melochord_files/brand

@@ -0,0 +1,109 @@
+
+(function() {
+var f = document.getElementById('cse-search-box');
+if (!f) {
+f = document.getElementById('searchbox_demo');
+}
+if (f && f['q']) {
+var q = f['q'];
+var n = navigator;
+var l = location;
+var du = function(n, v) {
+var u = document.createElement('input');
+u.name = n;
+u.value = v;
+u.type = 'hidden';
+f.appendChild(u);
+return u;
+};
+var su = function (n, t, v, l) {
+if (!encodeURIComponent || !decodeURIComponent) {
+return;
+}
+var regexp = new RegExp('(?:[?&]' + n + '=)([^&#]*)');
+var existing = regexp.exec(t);
+if (existing) {
+v = decodeURIComponent(existing[1]);
+}
+var delimIndex = v.indexOf('://');
+if (delimIndex >= 0) {
+v = v.substring(delimIndex + '://'.length, v.length);
+}
+var v_sub = v.substring(0, l);
+while (encodeURIComponent(v_sub).length > l) {
+v_sub = v_sub.substring(0, v_sub.length - 1);
+}
+du(n, v_sub);
+};
+var pl = function(he) {
+var ti = 0, tsi = 0, tk = 0, pt;
+return function() {
+var ct = (new Date).getTime();
+if (pt) {
+var i = ct - pt;
+ti += i;
+tsi += i*i;
+}
+tk++;
+pt = ct;
+he.value = [ti, tsi, tk].join('j');
+};
+};
+var append = false;
+if (n.appName == 'Microsoft Internet Explorer') {
+var s = f.parentNode.childNodes;
+for (var i = 0; i < s.length; i++) {
+        if (s[i].nodeName == 'SCRIPT' &&
+            s[i].attributes['src'] &&
+            s[i].attributes['src'].nodeValue == unescape('http:\x2F\x2Fwww.google.com\x2Fcoop\x2Fcse\x2Fbrand?form=cse-search-box\x26lang=en')) {
+          append = true;
+          break;
+        }
+      }
+    } else {
+      append = true;
+    }
+    if (append) {
+      
+      var loc = document.location.toString(); var ref = document.referrer;
+      su('siteurl', loc, loc, 250);
+      su('ref', loc, ref, 750);
+
+      
+      
+      if (q.addEventListener) {
+        q.addEventListener('keyup', pl(du('ss', '')), false);
+      } else if (q.attachEvent) {
+        q.attachEvent('onkeyup', pl(du('ss', '')));
+      }
+    }
+
+    
+    if (n.platform == 'Win32') {
+      q.style.cssText = 'border: 1px solid #7e9db9; padding: 2px;';
+    }
+
+    
+    if (window.history.navigationMode) {
+      window.history.navigationMode = 'compatible';
+    }
+
+    var b = function() {
+      if (q.value == '') {
+        q.style.background = '#FFFFFF url(http:\x2F\x2Fwww.google.com\x2Fcse\x2Fintl\x2Fen\x2Fimages\x2Fgoogle_custom_search_watermark.gif) left no-repeat';
+      }
+    };
+
+    var f = function() {
+      q.style.background = '#ffffff';
+    };
+
+    q.onfocus = f;
+    q.onblur = b;
+
+    
+    if (!/[&?]q=[^&]/.test(l.search)) {
+      b();
+    }
+  }
+})();