// JavaScript Document


// function to validate input

function checkInput() {

  var missing=focusVal=""

  df=document.forms[0]

  arg_num = arguments.length

  j=1

  for(i=0;i<arg_num;i=i+2) {

     current_val = eval("df."+arguments[i]+".value")

     if ( current_val == "" ) {

        missing += "- " + arguments[j] + "\n"

        if ( focusVal=="" ) focusVal = arguments[i]

     }

     j=j+2

  }



  if (missing != "") {

    alert("The following information is required:\n"+missing)

    eval("df."+focusVal+".focus()")

    return false

  } else {

    return true

  }

}