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function replaceText(el, text) {
  if (el != null) {
    clearText(el);
    var newNode = document.createTextNode(text);
    el.appendChild(newNode);
  }
}

function clearText(el, text) {
  if (el != null) {
    if (el.childNodes) {
      for (var i = 0; i< el.childNodes.length; i++) {
        var childNode = el.childNodes[i];
        el.removeChild(childNode);
      }
    }
  }
}

function getText(el) {
  var text = "";
  if (el != null) {
    if (el.childNodes) {
      for (var i = 0; i< el.childNodes.length; i++) {
        var childNode = el.childNodes[i];
        if (childNode.nodeVale !=null) {
          text = text + childNode.nodeValue;
        }
      }
    }
  }
  return text;
}

function doEmailFormatCheck(EmailAddress){
   var count=0;
   if(EmailAddress.length < 5) { return false;}
   for(var i=0;i<EmailAddress.length;i++) {
      if(EmailAddress.charAt(i)=='@'){count++;}
   }
   if(count!=1) { return false;}
   if((EmailAddress.charAt(0)=='@')||(EmailAddress.charAt(EmailAddress.length-1)=='@')) { return false;}
   count=0;
   for(var i=0;i<EmailAddress.length;i++){
      if(EmailAddress.charAt(i)=='.'){count++;}
   }
   if(count<=0) { return false;}
   if(EmailAddress.charAt(EmailAddress.indexOf("@")+1)=='.') { return false;}
   if((EmailAddress.charAt(0)=='.')||(EmailAddress.charAt(EmailAddress.length-1)=='.')) { return false;}
   for(var i=0;i<EmailAddress.length;i++){
      if(EmailAddress.charAt(i)=='.') {
        if(i<(EmailAddress.length-1)) {
          if(EmailAddress.charAt(i+1)=='.') { return false;}
        }
      }
   }
   return true;
}

function escapeTxt(os) {
  var ns='';
  var t;
  var chr='';
  var cc='';
  var tn='';
  for(var i=0;i<256;i++) {
    tn = i.toString(16);
    if(tn.length<2) {
      tn = "0"+tn;
    }
    cc += tn;
    chr += unescape('%'+tn);
  }
  cc = cc.toUpperCase();
  os = os +'';
  os.replace(String.fromCharCode(13)+'',"%13");
  for(var q=0;q<os.length;q++){
    t=os.substr(q,1);
    for(var i=0;i<chr.length;i++){
      if(t==chr.substr(i,1)){
        t=t.replace(chr.substr(i,1),"%"+cc.substr(i*2,2));
        i=chr.length;
      }
    }
    ns+=t;
  }
  return ns;
}

function getradiovalue(obj,radioname){

  var radiovalue = 0;
  for (var i=0; i < obj.length; i++) {
    if (document.getElementById(radioname + (i+1)).checked == true) {
      radiovalue = document.getElementById(radioname + (i+1)).value;
      break;
    }
  }
  return radiovalue;
}

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