drag and drop in drupal 6 block

I am working on drupal. I am facing problem in block. There is no drag and drop function on the page. When i dissable javascript on my browser it开发者_StackOverflow show weight option to set manually, after enable again it is not showing.

can any one suggest about this type of problem. if there is any css related issue please suggest me about this

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Usually, when this happens, the <?php print $scripts; ?> call in your theme's page.tpl.php is missing, so that Drupal's JavaScript files aren't being included (it's JavaScript that creates the drag and drop features). Or there is an error/conflict in your JavaScript/jQuery.

Is $scripts being printed in your theme?