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grader report NOBUG strange 'null' tooltip sometimes appeard in IE.

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1 parent cebf5c6 commit 247718515576b402ef5f5f9812ca2c7b3cdd6076 @timhunt timhunt committed Aug 2, 2010
Showing with 1 addition and 1 deletion.
  1. +1 −1 grade/report/grader/index.php
@@ -286,7 +286,7 @@ function init() {
tempNode.className = "tooltipDiv";
tempNode.innerHTML = elTarget.title;
elTarget.appendChild(tempNode);
- elTarget.title = null;
+ elTarget.title = "";
}
// Get the tooltip div

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