=== modified file 'dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/javascript/runValidation.js'
--- dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/javascript/runValidation.js	2012-05-01 13:14:33 +0000
+++ dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/javascript/runValidation.js	2012-07-26 08:45:54 +0000
@@ -16,6 +16,8 @@
 	aggregate = $( '#aggregate' ).val();
 	validationRuleGroupId = $( '#validationRuleGroupId' ).val();
 
+    $( '#validateButton' ).attr( 'disabled', true )
+
 	$.getJSON( 'validateRunValidation.action',
 	{ startDate:startDate, endDate:endDate, aggregate:aggregate }, function( json )
 	{
@@ -30,6 +32,8 @@
 	            $( 'div#analysisResult' ).show();
 	            $( 'div#analysisResult' ).html( data );
 	            setTableStyles();
+
+                $( '#validateButton' ).removeAttr( 'disabled' );
 	        } );
 	    }
 	    else if ( json.response == 'input' )

=== modified file 'dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/runValidationForm.vm'
--- dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/runValidationForm.vm	2012-03-07 10:32:33 +0000
+++ dhis-2/dhis-web/dhis-web-validationrule/src/main/webapp/dhis-web-validationrule/runValidationForm.vm	2012-07-26 08:45:54 +0000
@@ -68,7 +68,7 @@
     </tr>
     <tr>
     	<td>
-    		<input type="button" value="$i18n.getString( 'validate' )" style="width:10em" onclick="validateRunValidation()">
+    		<input id="validateButton" type="button" value="$i18n.getString( 'validate' )" style="width:10em" onclick="validateRunValidation()">
     	</td>
     	<td></td>
     </tr>