function highlight_field(field, action){

  if(action == 1){
    document.getElementById(field).style.background = "#7B4B90";
    document.getElementById(field).style.color = "#FFFFFF";
  }

  if(action == 0){
    document.getElementById(field).style.background = "transparent";
    document.getElementById(field).style.color = "#454545";    
  }

  if(action == 2){
  	document.getElementById(field).style.background = "#B6C4B3";
    document.getElementById(field).style.color = "#7B4B90";
  }
  
}