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$("select#tri").change(function(){
		// Post string
		var post_string = "type=" + $(this).val();
		alert(post_string);
		$("<select id='"+post_string+"' name='"+post_string+"'><option>test</option></select>").appendTo("#formtri");
		// Send the request and update sub category dropdown
		$.ajax({
			type: "POST",
			data: post_string,
			dataType: "json",
			cache: false,
			url: 'json/select2.php',
			timeout: 2000,
			error: function() {
				alert("Failed to submit");
			},
			success: function(data) { 
				// Clear all options from sub category select
				$("select#"+post_string).remove();
 
 
				// Fill sub category select
				$.each(data, function(i, j){
					var row = "<option value=\"" + j.value + "\">" + j.text + "</option>";
					$(row).appendTo("select#"+post_string);
				});
			}
		});
	}); | 
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