Wiki now supports circuits, modulo bugs

edit_circuit.html

+<div align="center">
+<form onsubmit="return submit_circuit('${name}');" action="" method="post"> 
+<!--input type="hidden" class="schematic" width="600" height="400" name="schematic" value="" /-->
+${ circuit_line }
+<input type="submit" value="save">
+<input type="hidden" name="csrfmiddlewaretoken" id="csrfmiddlewaretoken">
+</form>
+</div>

problem.js

@@ -12,7 +12,11 @@ function ${ id }_load() {
 	  postJSON('/modx/problem/${ id }/problem_check',
 		    submit_data,
 		    function(json) {
-			${ id }_load();
+		       
+		       if(json['success'] == 'syntax')
+			   alert('Syntax error');
+		       else
+			   ${ id }_load();
 		    });
 	  log_event('problem_check', submit_data);
 	    });

show_circuit.html

+<div align="center" id="div_wiki_circuit_${name}" class="div_wiki_circuit">
+</div>