--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NCBI Blast reference example_files/toggle.js	Thu May 15 16:59:18 2014 +0200
@@ -0,0 +1,174 @@
+
+Toggle = function(node) {
+   this.init(node);
+}
+
+/**
+* @class Creates a  new Toggle class with "node" as src
+* @return Reutrns a new toggle instance
+*/
+Toggle.prototype = {
+   
+   init: function(node) {
+
+      // Subclass instance?
+      if (typeof(arguments[0]) == 'undefined') return;
+
+      var oThis = this;
+      this.node = node;
+
+      // Initialize "showing" variable based on presence of "showing" or
+      // "hiding" class. If neither, then showing. Be sure class is
+      // set to reflect variable value
+      node.showing =
+         utils.hasClass(node, "showing") || !utils.hasClass(node, "hiding");
+      utils.addClass(node, node.showing ? "showing" : "hiding");
+   
+      // Set notifier for node
+      utils.addEvent(node, "click", function(e) {
+         e = e || window.event;
+         utils.preventDefault(e);
+
+         var theNode = utils.getTargetObj(e);
+
+         // Send message to global notifier, if one exists
+         if (typeof(Notifier) != 'undefined') {
+            var notifier = Notifier.getInstance();            
+            // Notify before change
+            notifier.Notify(oThis, "change:" + theNode.id, !this.showing);
+         }
+
+         // Hide or show based on current state
+         if (this.showing) {
+             oThis.hide();
+         } else {
+             oThis.show();
+         }
+
+      }, false);
+      
+      utils.addEvent(node, "selectstart", function(e) { utils.preventDefault(e); }, true);
+      utils.addEvent(node, "drag", function(e) { utils.preventDefault(e); }, true);
+
+      // Cache "this" for ID lookup
+      if (!node.id) {
+          node.id = utils.createNewId();
+      }
+      var m = Toggle.getSrcs();
+      m[node.id] = this;
+   },
+
+   // Hide targets, and set self to hiding.
+   hide: function() {
+       var oThis = this;
+
+       oThis.setHiding();
+       if (oThis.listeners) {
+           forEach(oThis.listeners, function(l) {
+               oThis.hideTarget(l);
+           });
+       }
+   },
+
+   // Show targets, and set self to showing.
+   show: function() {
+       var oThis = this;
+
+       oThis.setShowing();
+       if (oThis.listeners) {
+           forEach(oThis.listeners, function(l) {
+               oThis.showTarget(l);
+           });
+       }
+   },
+
+   // Set own presentation to "showing"
+   setShowing: function() {
+       utils.addClass(this.node, "showing");
+       utils.removeClass(this.node, "hiding");
+       this.node.showing = true;
+   },
+
+   // Set own presentation to "hiding"
+   setHiding: function() {
+       utils.addClass(this.node, "hiding");
+       utils.removeClass(this.node, "showing");
+       this.node.showing = false;
+   },
+
+   // Show a target
+   showTarget: function(l) {
+       utils.addClass(l, "shown");
+       utils.removeClass(l, "hidden");
+   },
+
+   // Hide a target
+   hideTarget: function(l) {
+      utils.addClass(l, "hidden");
+      utils.removeClass(l, "shown");
+   },
+
+   // Add a target to this toggle.
+   add: function(target) {
+      if (!this.listeners) {
+          this.listeners = new Array();
+      }
+      this.listeners[this.listeners.length] = target;
+
+      if (utils.hasClass(target, "hidden")) {
+        this.setHiding();
+        this.node.showing = false;
+      } else {
+        this.setShowing();
+        this.node.showing = true;
+      }
+   }
+}
+
+// Show/hide a "target" (a node controlled by the node with the given ID)
+Toggle.addTarget = function(srcid, target) {
+   var tn = Toggle.findOrMake(srcid);
+   tn.add(target);
+}
+
+// Assoc array of srcs indexed by their ids
+Toggle.getSrcs = function() {
+   if (!Toggle.srcs) {
+      Toggle.srcs = new Object();
+   }
+   return Toggle.srcs;
+}
+
+// Find or make toggle for given id
+Toggle.findOrMake = function(srcid) {
+   var ts = Toggle.getSrcs();
+   var tn = ts[srcid];
+   if (!tn) {
+      tn = new Toggle($(srcid));
+   }
+   return tn;
+}
+
+// This dispatches the call to Toggle.onload, which may be
+// overridden by instances (subclasses)
+Toggle._onload = function() {
+   Toggle.onload();
+}
+
+// A toggle source node controls other nodes that reference it by id using
+// their toggle= attribute. A node may be both a toggle source and destination.
+Toggle.onload = function() {
+//alert("toggle start");
+   if(utils.hasClass(document.body,"noToggleCheck")) return;
+      
+   shnodes = jQuery("[toggle]");
+   // Now hook up dst nodes
+   forEach(shnodes, function(node) {
+      // Link toggle node to its source
+      var srcid = node.getAttribute("toggle");
+      Toggle.addTarget(srcid, node);
+   });
+    //alert("toggle 2 end");
+}
+
+utils.addEvent(window, 'load', Toggle._onload, false);