Introducing instance ids as id attributes in blocks. This should completely

solve the problem where two instances of the same block did confusing things
when you tried to collapse one of them.

Incidentally, moving some styles for quiz_results block to where they belong.

blocks/moodleblock.class.php

@@ -448,7 +448,7 @@ class block_base {
      */
     function html_attributes() {
         // Default case: just an id for the block, with our name in it
-        return array('id' => 'block_'. $this->name());
+        return array('id' => 'inst'.$this->instance->id, 'class' => 'block_'. $this->name());
     }
     
     /**

theme/standard/styles_fonts.css

@@ -270,6 +270,26 @@ h4 {
     font-size:x-small;
 }
 
+.block_quiz_results h1 {
+    font-weight: bold;
+    font-size: 1.2em;
+}
+
+.block_quiz_results table.grades caption {
+    font-weight: bold;
+}
+
+.block_quiz_results table.grades .number, .block_quiz_results table.grades .grade {
+    text-align: right;
+}
+
+.block_quiz_results {
+    text-align: center;
+}
+
+.block_quiz_results table.grades {
+    text-align: left;
+}
 
 /*****************************
 ***

theme/standard/styles_layout.css

@@ -447,40 +447,31 @@ td.cal_event_description {
 }
 
 /* sideblock weblib.php */
-#block_course_summary .sideblockmain {
+.block_course_summary .sideblockmain {
     padding:10px;
 }
 
 /* blocklib.php */
 
-#block_adminblock .sideblockmain {
+.block_adminblock .sideblockmain {
     text-align: center;
 }
 
 /* block_quiz_results.php */
-#block_quiz_results {
-    text-align: center;
-}
-
-#block_quiz_results table.grades {
+.block_quiz_results table.grades {
     width: 100%;
-    text-align: left;
 }
 
-#block_quiz_results table.grades caption {
-    font-weight: bold;
+.block_quiz_results table.grades caption {
     margin: 1em 0px 0px 0px;
     border-bottom: 1px solid;
 }
 
-#block_quiz_results table.grades .number, #block_quiz_results table.grades .grade {
+.block_quiz_results table.grades .number, .block_quiz_results table.grades .grade {
     width: 10%;
-    text-align: right;
 }
 
-#block_quiz_results h1 {
-    font-weight: bold;
-    font-size: 1.2em;
+.block_quiz_results h1 {
     margin: 4px;
 }
 

theme/standard/styles_moz.css

@@ -83,7 +83,7 @@
     -moz-border-radius-bottomright:15px;
 }
 
-#block_course_summary, #block_course_summary .sideblockmain {
+.block_course_summary, .block_course_summary .sideblockmain {
     -moz-border-radius:20px;
 }