/*
 * This function is used by the publicationsnew AO.
 * It's used to pre-populate the publication sub-type drop-down box in the search form.
 * Author: Remy Sharp, modified by Chris Kobrzak (Pixl8)
 */
$(function(){
	var publication_type = $("select#select-documenttype");

	publication_type.change(function() {
 		if($(this).val()) {
		  	$(".ajax-indicator").remove();
		  	$("select#select-documentsubtype").html('');
		  	$(this).attr("disabled", "disabled").after('<img src="/graphics/indicator.gif" class="ajax-indicator"/>');
			$.getJSON(
		    	"/aoc/ajax/get_document-sub-type.cfm",
		    	{
		    		id: $(this).val(),
		    		ajax: 'true'
		    	},
		    	function(jResult) {
		  		  publication_type.removeAttr("disabled").next().remove();
		  		  var longest = 0;
			      var aOption = '<option value="">Narrow publication type to a sub-type</option>';
			      for (var i = 0; i < jResult.length; i++) {
			        aOption += '<option value="' + jResult[i].sKey + '"';
			      	if(jResult[i].sKey == $("#hidden-selected-subcategory").val()) {
			      		 aOption += ' selected="selected"';
			      	}	        
			        aOption += '">' + jResult[i].sVal + '</option>';
			        // Fix ie6 dropdown width
					if(jResult[i].sVal.length > longest) {
						longest = jResult[i].sVal.length;
					}
			      }
				  if(longest < 38) {
					longest = 38;
				  }			      
			      $("select#select-documentsubtype").html(aOption).width(longest*6);
			})
		} else {
			$("select#select-documentsubtype").html('');
		}
	});

	/* Select sub-category */  
	if(typeof(publication_type.val()) != 'undefined' && publication_type.val() != '') {
		publication_type.trigger('change');
	}

});