function showHideTooltip(id) {
   try {
      tooltip = document.getElementById(id);
      if(tooltip.style.display == "none") {
	  	tooltip.style.display = "block"
	  } else tooltip.style.display = "none"
    } catch (error) { error=null; }
}


function showHideInfo(id) {
   try {
      tooltip = document.getElementById(id);
      if(tooltip.style.display == "block") {
	  	tooltip.style.display = "none"
	  } else tooltip.style.display = "block"
    } catch (error) { error=null; }
}