var newWindow = null;

function getObj(id) {
  var obj;
  if(document.getElementById) {
    obj = document.getElementById(id);
  }
  else if(document.all) {
    obj = document.all[id];
  }
  else if(document.layers) {
    obj = document.layers[id];
  }

  return obj;
}

function getElementsByClass(node, searchClass, tag) {
 var classElements = new Array();
 var els = node.getElementsByTagName(tag);
 var elsLen = els.length;
 var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
 for (i = 0, j = 0; i < elsLen; i++) {
    if ( pattern.test(els[i].className) ) {
      classElements[j] = els[i];
      j++;
    }
  }
  return classElements;
}

function clearInput(inputElement, defaultValue) {
  if(inputElement.value == defaultValue) {
    inputElement.value = '';
  }
  return true;
}

function closeWin(){
  if (newWindow != null){
    if(!newWindow.closed) {
      newWindow.close();
    }
  }
}

function popUpLink(width, height) {
  var event = window.event || arguments.callee.caller.arguments[0];
  var target = event.target || event.srcElement;
  var href = target.getAttribute("href");
  var src = target.getAttribute("src");

  //alert("Tagname: " + target.tagName + "\nNodename: " + target.nodeName + "\nhref: " + href + "\nsrc: " + src);
  while((target.tagName != "body" || target.nodeName != "body") && (href == null || href == "" || href == src)) {
    target = target.parentNode;
    href = target.getAttribute("href");
    //alert("Tagname: " + target.tagName + "\nNodename: " + target.nodeName + "\nhref: " + href + "\nsrc: " + src);
  }

  newWindow = window.open(href, "newWindow", "status=no,toolbar=yes,location=no,menubar=yes,directories=no,resizable=yes,scrollbars=yes,width="+width+",height="+height);
  if(newWindow.focus) {
    newWindow.focus();
  }

  return false;
}

function popUpBooking(form, sprak) {
  if(!sprak) {
    sprak = "se";
  }
  var search = form.search.value;
  var magic = form.magic.value;
  var range = form.range.value;
  var year = form.year.value;
  var month = form.month.value;
  var day = form.day.value;
  var geo123 = "";
  var lev = "";
  if(form.geo123) {
    geo123 = form.geo123.value;
  }
  var prod = "";
  if(form.prod) {
    prod = form.prod.value;
  }
  if(form.lev) {
    lev = form.lev.value;
  }
  var nbrOfDays = form.antdagar.value;
  var nbrOfAdults = form.antresen.value;
  var nbrOfChildren = form.antbarn.value;

  var target = "";
  if(sprak == "no") {
    target = "alacarte_no";
  }
  else {
    target = "alacarte";
  }

  var url = "http://www.scandorama." + sprak + "/scandorama/" + target + "?search="      + search        +
                                                        "&intervall="   + range         +
                                                        "&fy="          + year          +
                                                        "&fm="          + month         +
                                                        "&fd="          + day           +
                                                        "&antdagar="    + nbrOfDays     +
                                                        "&antresen="    + nbrOfAdults   +
                                                        "&antbarn="     + nbrOfChildren +
                                                        "&radiogrupp1=" + magic;
  if(geo123) {
    url = url + "&geo123=" + geo123;
  }
  if(prod) {
    url = url + "&prod=" + prod;
  }
  if(lev) {
    url = url + "&lev=" + lev;
  }

  popUpWin(url, "booking", 680, 520);

  return false;
}

function externalLinks() {
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") &&
        anchor.getAttribute("rel") == "external")
      anchor.target = "_blank";
  }
}

function flash(parent_element_id, path, width, height) {
  var d = document.getElementById(parent_element_id);
  d.innerHTML =
    '<object type="application/x-shockwave-flash" data="' + path + '" width="' + width + '" height="' + height +'"><param name="movie" value="' + path + '"></object>';
}

function ismaxlength(obj){
  var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : "";
  if (obj.getAttribute && obj.value.length>mlength) {
    obj.value=obj.value.substring(0,mlength)
  }
}

window.onload = externalLinks;