Index: wp-includes/js/thickbox/thickbox.js
===================================================================
--- wp-includes/js/thickbox/thickbox.js	(revision 14017)
+++ wp-includes/js/thickbox/thickbox.js	(working copy)
@@ -23,14 +23,16 @@
 
 //add thickbox to href & area elements that have a class of .thickbox
 function tb_init(domChunk){
-	jQuery(domChunk).live('click', function(){
+	jQuery(domChunk).live('click', tb_click);
+}
+
+function tb_click(){
 	var t = this.title || this.name || null;
 	var a = this.href || this.alt;
 	var g = this.rel || false;
 	tb_show(t,a,g);
 	this.blur();
 	return false;
-	});
 }
 
 function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link
Index: wp-includes/script-loader.php
===================================================================
--- wp-includes/script-loader.php	(revision 14017)
+++ wp-includes/script-loader.php	(working copy)
@@ -167,7 +167,7 @@
 	$scripts->add( 'jquery-autocomplete', "/wp-includes/js/jquery/autocomplete$suffix.js", array('jquery'), '1.1' );
 	$scripts->add_data( 'jquery-autocomplete', 'group', 1 );
 
-	$scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20104104');
+	$scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20100407');
 	$scripts->add_data( 'thickbox', 'group', 1 );
 	$scripts->localize( 'thickbox', 'thickboxL10n', array(
 			'next' => __('Next >'),
@@ -337,7 +337,7 @@
 			'l10n_print_after' => 'try{convertEntities(wordCountL10n);}catch(e){};'
 		));
 
-		$scripts->add( 'theme-preview', "/wp-admin/js/theme-preview$suffix.js", array( 'thickbox', 'jquery' ), '20090319' );
+		$scripts->add( 'theme-preview', "/wp-admin/js/theme-preview$suffix.js", array( 'thickbox', 'jquery' ), '20100407' );
 		$scripts->add_data( 'theme-preview', 'group', 1 );
 
 		$scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'suggest' ), '20091202' );
@@ -356,7 +356,7 @@
 			'l10n_print_after' => 'try{convertEntities(inlineEditL10n);}catch(e){};'
 		) );
 
-		$scripts->add( 'plugin-install', "/wp-admin/js/plugin-install$suffix.js", array( 'jquery' ), '20100402' );
+		$scripts->add( 'plugin-install', "/wp-admin/js/plugin-install$suffix.js", array( 'jquery', 'thickbox' ), '20100407' );
 		$scripts->add_data( 'plugin-install', 'group', 1 );
 		$scripts->localize( 'plugin-install', 'plugininstallL10n', array(
 			'plugin_information' => __('Plugin Information:'),
Index: wp-admin/js/theme-preview.dev.js
===================================================================
--- wp-admin/js/theme-preview.dev.js	(revision 14017)
+++ wp-admin/js/theme-preview.dev.js	(working copy)
@@ -21,6 +21,8 @@
 	$(window).resize( function() { thickDims() } );
 
 	$('a.thickbox-preview').click( function() {
+		tb_click.call(this);
+
 		var alink = $(this).parents('.available-theme').find('.activatelink'), link = '', href = $(this).attr('href'), url, text;
 
 		if ( tbWidth = href.match(/&tbWidth=[0-9]+/) )
@@ -48,6 +50,7 @@
 
 		$('#TB_iframeContent').width('100%');
 		thickDims();
+		
 		return false;
 	} );
 
Index: wp-admin/js/plugin-install.dev.js
===================================================================
--- wp-admin/js/plugin-install.dev.js	(revision 14017)
+++ wp-admin/js/plugin-install.dev.js	(working copy)
@@ -22,6 +22,8 @@
 	};
 
 	thickDims().click( function() {
+		tb_click.call(this);
+
 		$('#TB_title').css({'background-color':'#222','color':'#cfcfcf'});
 		$('#TB_ajaxWindowTitle').html('<strong>' + plugininstallL10n.plugin_information + '</strong>&nbsp;' + $(this).attr('title') );
 		return false;