function checkCharLeft(fldname,maxChar,divName) {
    var f = document.mainForm
    var v = f.elements(fldname).value
    var t = v.length
    var x = parseInt(maxChar  -  t)  
    if (x < 0) { 
      alert("You're exceeding the allowable characters!")
      x = 0
       f.elements[fldname].value = v.substring(0,maxChar)
    }
     document.getElementById(divName).innerHTML = x + " Characters left"
  }