make popup take arguments, allow it to draw itself. tests.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@226 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Popup.js

@@ -4,15 +4,50 @@
 OpenLayers.Popup = Class.create();
 OpenLayers.Popup.prototype = {
 
-    
+    /** @type String */
+    id: "",
+
+    /** @type DOMElement */
+    div: null,
+
+    /** @type OpenLayers.Pixel */
+    px: null,    
+
+    /** @type OpenLayers.Size*/
+    size: null,    
 
     /** 
     * @constructor
+    * 
+    * @param {String} id
+    * @param {OpenLayers.Pixel} px
+    * @param {OpenLayers.Size} size
     */
-    initialize:function() {
+    initialize:function(id, px, size) {
+        this.id = id;
+        this.px = px;
+        this.size = size;
+    },
+
+    /** 
+    */
+    destroy: function() {
     
     },
-    
+
+    /** 
+    */
+    draw: function() {
+        if (this.div == null) {
+            this.div = OpenLayers.Util.createDiv(this.id + "_div",
+                                                 this.px,
+                                                 this.size
+                                                 );
+                                                 
+            this.div.style.backgroundColor = "red";
+        }
+        return this.div;
+    },