// JavaScript Document
/* Testo espandibile */
/* Fare click sul link per espandere il contenuto del testo */

if (document.getElementById) {
  document.write
  }

  var divNum = new Array("b1","b2","b3");  // at the left you should add a1, a2 etc. for each header you wish to include
                                          // so if you want 4 headers you should add a1, a2, a3, a4 in the format shown
                                          // enclosed in double quotes
function openClose_2(theID) {
  for(var i=0; i < divNum.length; i++) {
    if (divNum[i] == theID) {
      if (document.getElementById(divNum[i]).style.display == "block") { document.getElementById(divNum[i]).style.display = "none" }
      else {
        document.getElementById(divNum[i]).style.display = "block"
      }
  } else {
    document.getElementById(divNum[i]).style.display = "none"; }
  }
}