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		if (d.getElementById)
			return d.getElementById(n);
		else if (d.all)
			return d.all[n];
	}
	
	function confirmDeleteArticle(n) {
		var exp = getByID('delete_article');
		var articles_empty = true;
		var confirmed = false;
		var i = 0;
		
		// iterates through the checkboxes.
		while (i <= n) {
			if (exp.elements[i].checked == true) { 
				articles_empty = false;
			}
			i++;
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		// if no articles are chosen, notifies the user.
		if (articles_empty) {
			confirm ("No articles were selected.");
		} else {
			confirmed = confirm ("Are you sure you want to delete the selected article(s)?");
			if (confirmed)  {
				exp.submit();
			}
		}
	}
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