yacyui-portalsearch: clear input on window close

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5910 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/yacy/ui/js/yacyui-portalsearch.js

@@ -75,6 +75,9 @@ $(document).ready(function() {
 		  	title: yconf.title,
 		  	show: yconf.show,
 		  	hide: yconf.hide,
+			close: function(event, ui) { 
+				$("#yquery").setValue('');		
+			},  
 		  	buttons: {
         		Next: function() {
         			startRecord = startRecord + maximumRecords;