/** Ref: http://www.brenz.net/snippets/open_close_div.asp **/
function removeUnderscore(str) {
   return str.replace(/_/g, " ");
}

function lunchboxOpen(lunchID) {
   document.getElementById('lunch_' + lunchID).style.display = "block";
   document.getElementById('clasp_' + lunchID).innerHTML="<a href=\"javascript:lunchboxClose('" + lunchID + "'); \" style='color:#ff3300'>Close " + removeUnderscore(lunchID) + "</a>";
}

function lunchboxClose(lunchID) {
   document.getElementById('lunch_' + lunchID).style.display = "none";
   document.getElementById('clasp_' + lunchID).innerHTML="<a href=\"javascript:lunchboxOpen('" + lunchID + "');\">ABOUT: " + removeUnderscore(lunchID) + "...</a>";
}