text: var paper = {};
  var temporalSymbolTable = {};
  
  module.exports.init = function(){
      paper = Raphael(document.getElementById("paper"), 0,0);
  }
  
  updateSymbolTable = module.exports.updateSymbolTable = function(updatedSymbolTable){
      temporalSymbolTable = updateSymbolTable;
      draw();
  }
  
  draw = module.exports.draw = function(){
      // get temporal symbol table and draw it
      //var rect1 = paper.rect(20,20,100,100).attr({fill: "blue"});
  }
  
                  