/* Sets the focus on the Virtua Forms
 * that is if there is a point of Focus needed
 */
function chop_string(str, len)
{
  //return(str.substring(0, len) + ' ' + str.substring(str.length - len + 1));
  var l = 50;
  var ret = '';
  for(var z = l; z < str.length; z += l) {
    ret = str.substring(0, z) + '' + str.substring(str.length - z + 1);
    }

  //alert(ret);
  return(ret);
}

function fix_long_inner(tag, len)
{

//return(0);
  //var len = 100;
  var a = '';
  var b = '';
  var mylist=document.getElementsByTagName("a")
  for (var i = 0; i < mylist.length; i++)
  {
    var str = mylist[i].innerHTML.toString();
    if (str.indexOf("http://") >= 0 && str.length > len)
    {
      var mod = '';
      a = "BEFORE:\n" + mylist[i].tagName + '[' + str.length + ']=(' + mylist[i].innerHTML + ')\n';
      for(b = len; b < str.length; b += len)
      {
        mod = str.substring(0, b) + '<br/>' + str.substring(b);
        str = mod;
      }

      mylist[i].innerHTML = mod.toString();
      a += "AFTER:\n" + '[' + mod.length + ']=(' + mod + ')\n';
      //alert(a);
    }
  }

  return(0);
  var mylist=document.getElementsByTagName("td")
  for (var i = 0; i < mylist.length; i++)
  {
//alert(mylist[i].tagClass);
    var str = mylist[i].innerHTML.toString();
    if (str.indexOf("http://") >= 0 && str.length > len)
    {
      var mod = '';
      a = "BEFORE:\n" + mylist[i].tagName + '[' + str.length + ']=(' + mylist[i].innerHTML + ')\n';
      for(b = len; b < str.length; b += len)
      {
        mod = str.substring(0, b) + '<br/>' + str.substring(b);
        str = mod;
      }

      mylist[i].innerHTML = mod.toString();
      a += "AFTER:\n" + '[' + mod.length + ']=(' + mod + ')\n';
      alert(a);
    }
  }
  return(0);


/*
  var elms = document.getElementsByTagName(tag);
  for (i = 0; i < elms.length; i++) {
    if(elms[i].innerHTML.length <= len || ! elms[i].innerHTML.indexOf("http://")) continue;
    //if(elms[i].innerHTML.length <= len || elms[i].innerHTML.substring(0,7) != "http://") continue;
       //elms[i].innerHTML != "http://www.fraserinstitute.org/commerce.web/product_files/NewLookCanadianIndianPolicy.pdf") continue;
//alert(elms[i].innerHTML);
    elms[i].innerHTML = chop_string(elms[i].innerHTML, len);
    }
*/
}

function inputFocus() {
if(this.document.forms[0].t1 != null &&
   this.document.forms[0].t1.type == "text") {
  this.document.forms[0].t1.focus();
  }
else if(this.document.forms[0].sessionid != null &&
        this.document.forms[0].sessionid == "text") {
  this.document.forms[0].sessionid.focus();
  }
else if(this.document.forms[0].patronid != null) {
  this.document.forms[0].patronid.focus();
  }

}

function Querystring() {
  this.params = {};
  qs = location.search.substring(1, location.search.length);
  if (qs.length == 0) return;

  var args = qs.split('&'); // split the name/value pairs of the url
  /* load them into an associative array*/
  for (var i = 0; i < args.length; i++) {
    var pair = args[i].split('=');
    var name = decodeURIComponent(pair[0]);
    var value = (pair.length==2)
      ? decodeURIComponent(pair[1])
      : name;
      this.params[name] = value;
    }
}

Querystring.prototype.get = function(key, default_) {
  var value = this.params[key];
  return (value != null) ? value : default_;
}

function lang_flip ()
{
  var x=document.getElementsByName("lng");
  var a=0;
  for(var z=0; z < x.length; z++) {
    if(x[z].name == 'lng') {
      a = 1;
      if(x[z].value == 'en') {
        x[z].value = 'fr-ch';
        }
      else {
        x[z].value = 'en';
        }
      }
    }

  //if(!a) document.write("<input type=hidden name='lng' value='fr-ch'/>");
  lang();
}

function lang () {
  var q     = new Querystring();
  var field = q.get("lng");
  var newq   = "";
  var newurl = "http://" + location.host.toString();
  var path   = location.pathname.toString();
  var i      = "";

  if(field == null) field = "en"; /* Default is always english*/

  if(field == "en") q.params["lng"] = "fr-ch";
  else q.params["lng"] = "en";

  if(path.substring(path.length - 1, 1) == "/") {
    if(path.length > 1)
      path = path.substring(0, path.length - 1);
    else
      path = "";
    }

  //document.write("PATH="+path+"<br>");

  for(i in q.params) { if(i.length != 0) newq = newq + i + "=" + q.params[i] + "&"; }
  //document.write("QUERY="+newq+"<br>");

  //document.write("newq.LENGTH="+newq.length+"<br>");
  if(newq.length) {
    newq = newq.substring(0, newq.length - 1);
    /*if(newurl.substring(newurl.length - 1, 1) != "/") newurl = newurl + "/";*/
    if(path != "") newurl = newurl + path;
    newurl = newurl + "?" + newq;
    }

  //document.write("URL="+newq+"<br>");
  window.open(encodeURI(newurl), '_top');
}