/** * phpBB3 forum functions */  /** * Window popup */ function popup(url, width, height, name) {  if (!name)  {   name = '_popup';  }   window.open(url.replace(/&amp;/g, '&'), name, 'height=' + height + ',resizable=yes,scrollbars=yes, width=' + width);  return false; }  /** * Jump to page */ function jumpto() {  var page = prompt(jump_page, on_page);   if (page !== null && !isNaN(page) && page == Math.floor(page) && page > 0)  {   if (base_url.indexOf('?') == -1)   {    document.location.href = base_url + '?start=' + ((page - 1) * per_page);   }   else   {    document.location.href = base_url.replace(/&amp;/g, '&') + '&start=' + ((page - 1) * per_page);   }  } }  /** * Mark/unmark checklist * id = ID of parent container, name = name prefix, state = state [true/false] */ function marklist(id, name, state) {  var parent = document.getElementById(id);  if (!parent)  {   eval('parent = document.' + id);  }   if (!parent)  {   return;  }   var rb = parent.getElementsByTagName('input');    for (var r = 0; r < rb.length; r++)  {    if (rb[r].name.substr(0, name.length) == name)   {    rb[r].checked = state;   }  } }  /** * Resize viewable area for attached image or topic review panel (possibly others to come) * e = element */ function viewableArea(e, itself) {  if (!e) return;  if (!itself)  {   e = e.parentNode;  }    if (!e.vaHeight)  {   /* Store viewable area height before changing style to auto */   e.vaHeight = e.offsetHeight;   e.vaMaxHeight = e.style.maxHeight;   e.style.height = 'auto';   e.style.maxHeight = 'none';   e.style.overflow = 'visible';  }  else  {   /* Restore viewable area height to the default */   e.style.height = e.vaHeight + 'px';   e.style.overflow = 'auto';   e.style.maxHeight = e.vaMaxHeight;   e.vaHeight = false;  } }  /** * Set display of page element * s[-1,0,1] = hide,toggle display,show */ function dE(n, s) {  var e = document.getElementById(n);   if (!s)  {   s = (e.style.display == '' || e.style.display == 'block') ? -1 : 1;  }  e.style.display = (s == 1) ? 'block' : 'none'; }  /** * Alternate display of subPanels */ function subPanels(p) {  var i, e, t;   if (typeof(p) == 'string')  {   show_panel = p;  }   for (i = 0; i < panels.length; i++)  {   e = document.getElementById(panels[i]);   t = document.getElementById(panels[i] + '-tab'); if (e)   {    if (panels[i] == show_panel)    {     e.style.display = 'block';     if (t)     {      t.className = 'activetab';     }    }    else    {     e.style.display = 'none';     if (t)     {      t.className = '';     }    }   }  } }  /** * Call print preview */ function printPage() {  if (is_ie)  {   printPreview();  }  else  {   window.print();  } }  /** * Show/hide groups of blocks * c = CSS style name * e = checkbox element * t = toggle dispay state (used to show 'grip-show' image in the profile block when hiding the profiles) */ function displayBlocks(c, e, t) {  var s = (e.checked == true) ? 1 : -1;   if (t)  {   s *= -1;  }   var divs = document.getElementsByTagName("DIV");   for (var d = 0; d < divs.length; d++)  {   if (divs[d].className.indexOf(c) == 0)   {    divs[d].style.display = (s == 1) ? 'none' : 'block';   }  } }  function selectCode(a) {  /* Get ID of code block */  var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0];   /* Not IE */  if (window.getSelection)  {   var s = window.getSelection();   /* Safari */   if (s.setBaseAndExtent)   {    s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);   }   /* Firefox and Opera */   else   {    /* workaround for bug # 42885 */    if (window.opera && e.innerHTML.substring(e.innerHTML.length - 4) == '<BR>')    {     e.innerHTML = e.innerHTML + '&nbsp;';    }  var r = document.createRange();    r.selectNodeContents(e);    s.removeAllRanges();    s.addRange(r);   }  }  /* Some older browsers */  else if (document.getSelection)  {   var s = document.getSelection();   var r = document.createRange();   r.selectNodeContents(e);   s.removeAllRanges();   s.addRange(r);  }  /* IE */  else if (document.selection)  {   var r = document.body.createTextRange();   r.moveToElementText(e);   r.select();  } }  /** * Play quicktime file by determining it's width/height * from the displayed rectangle area */ function play_qt_file(obj) {  var rectangle = obj.GetRectangle();   if (rectangle)  {   rectangle = rectangle.split(',');   var x1 = parseInt(rectangle[0]);   var x2 = parseInt(rectangle[2]);   var y1 = parseInt(rectangle[1]);   var y2 = parseInt(rectangle[3]); var width = (x1 < 0) ? (x1 * -1) + x2 : x2 - x1;   var height = (y1 < 0) ? (y1 * -1) + y2 : y2 - y1;  }  else  {   var width = 200;   var height = 0;  }   obj.width = width;  obj.height = height + 16;   obj.SetControllerVisible(true);  obj.Play(); }  /** * Check if the nodeName of elem is name * @author jQuery */ function is_node_name(elem, name) {  return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase(); }  /** * Check if elem is in array, return position * @author jQuery */ function is_in_array(elem, array) {  for (var i = 0, length = array.length; i < length; i++)   /* === is correct (IE) */   if (array[i] === elem)    return i;   return -1; }  /** * Find Element, type and class in tree * Not used, but may come in handy for those not using JQuery * @author jQuery.find, Meik Sievertsen */ function find_in_tree(node, tag, type, class_name) {  var result, element, i = 0, length = node.childNodes.length;   for (element = node.childNodes[0]; i < length; element = node.childNodes[++i])  {   if (!element || element.nodeType != 1) continue; if ((!tag || is_node_name(element, tag)) && (!type || element.type == type) && (!class_name || is_in_array(class_name, (element.className || element).toString().split(/\s+/)) > -1))   {    return element;   } if (element.childNodes.length)    result = find_in_tree(element, tag, type, class_name); if (result) return result;  } }  var in_autocomplete = false; var last_key_entered = '';  /** * Check event key */ function phpbb_check_key(event) {  /* Keycode is array down or up? */  if (event.keyCode && (event.keyCode == 40 || event.keyCode == 38))   in_autocomplete = true;   /* Make sure we are not within an "autocompletion" field */  if (in_autocomplete)  {   /* If return pressed and key changed we reset the autocompletion */   if (!last_key_entered || last_key_entered == event.which)   {    in_autocompletion = false;    return true;   }  }   /* Keycode is not return, then return. ;) */  if (event.which != 13)  {   last_key_entered = event.which;   return true;  }   return false; }  /*** Usually used for onkeypress event, to submit a form on enter */ function submit_default_button(event, selector, class_name) {  /* Add which for key events */  if (!event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode))   event.which = event.charCode || event.keyCode;   if (phpbb_check_key(event))   return true;   var current = selector['parentNode'];   /* Search parent form element */  while (current && (!current.nodeName || current.nodeType != 1 || !is_node_name(current, 'form')) && current != document)   current = current['parentNode'];   /* Find the input submit button with the class name */  /* current = find_in_tree(current, 'input', 'submit', class_name); */  var input_tags = current.getElementsByTagName('input');  current = false;   for (var i = 0, element = input_tags[0]; i < input_tags.length; element = input_tags[++i])  {   if (element.type == 'submit' && is_in_array(class_name, (element.className || element).toString().split(/\s+/)) > -1)    current = element;  }   if (!current)   return true;   /* Submit form */  current.focus();  current.click();  return false; }  /** * Apply onkeypress event for forcing default submit button on ENTER key press * The jQuery snippet used is based on http://greatwebguy.com/programming/dom/default-html-button-submit-on-enter-with-jquery/ * The non-jQuery code is a mimick of the jQuery code ;) */ function apply_onkeypress_event() {  /* jQuery code in case jQuery is used */  if (jquery_present)  {   $('form input').live('keypress', function (e)   {    var default_button = $(this).parents('form').find('input[type=submit].default-submit-action');        if (!default_button || default_button.length <= 0)     return true;  if (phpbb_check_key(e))     return true;  if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13))    {     default_button.click();     return false;    }  return true;   });     return;  }   var input_tags = document.getElementsByTagName('input');   for (var i = 0, element = input_tags[0]; i < input_tags.length ; element = input_tags[++i])  {   if (element.type == 'hidden')    continue; /* onkeydown is possible too */   element.onkeypress = function (evt) { submit_default_button((evt || window.event), this, 'default-submit-action'); };  } }  /** * Detect JQuery existance. We currently do not deliver it, but some styles do, so why not benefit from it. ;) */ var jquery_present = typeof jQuery == 'function';