var Common = {
Class : {
match : function(
oElement,
sClassName
) {
return (oElement.className && oElement.className.match(new RegExp('(^|\\s+)(' + sClassName + ')($|\\s+)')))? true : false;
},
add : function(
oElement,
sClassName
) {
if(!Common.Class.match(oElement, sClassName)) {
oElement.className += ' ' + sClassName;
}
},
replace : function(
oElement,
sClassNameFrom,
sClassNameTo
) {
if(Common.Class.match(oElement, sClassNameFrom)) {
oElement.className = (oElement.className.replace( new RegExp("(^|\\s+)(" + sClassNameFrom + "|" + sClassNameTo + ")($|\\s+)", "g"), "$1" ) + ' ' + sClassNameTo ).replace( /^\s+/, '');
}
else {
Common.Class.add(oElement, sClassNameTo);
}
},
remove : function(
oElement,
sClassName
) {
oElement.className = oElement.className.replace(new RegExp('(.*)(^|\\s+)(' + sClassName + ')($|\\s+)(.*)'), '$1$4$5').replace(/(^)\s/, '$1');
}
},
Event : {
aObservers : [],
add : function(
mElement,
mEventType,
fEventFunction
) {
if(mElement.length && mElement.sort) {
for(var i = 0; i < mElement.length; i++) {
this.add(mElement[i], mEventType, fEventFunction);
}
return;
}
if(!mEventType.match && mEventType.length) {
for(var i = 0; i < mEventType.length; i++) {
this.add(mElement, mEventType[i], fEventFunction);
}
return;
}
if(mElement.addEventListener) {
mElement.addEventListener(
mEventType,
fEventFunction,
false
);
}
else if(mElement.attachEvent) {
if(this.aObservers.length == 0) {
this.aObservers.push([mElement, mEventType, fEventFunction]);
this.add(
window,
'unload',
Common.Event.detachObservers
);
}
else {
this.aObservers.push([mElement, mEventType, fEventFunction]);
}
mElement.attachEvent('on' + mEventType, fEventFunction);
}
},
remove : function(
mElement,
mEventType,
fEventFunction
) {
if(mElement.length && mElement.sort) {
for(var i = 0; i < mElement.length; i++) {
this.remove(mElement[i], mEventType, fEventFunction);
}
return;
}
if(!mEventType.match && mEventType.length) {
for(var i = 0; i < mEventType.length; i++) {
this.remove(mElement, mEventType[i], fEventFunction);
}
return;
}
if(mElement.removeEventListener) {
mElement.removeEventListener(
mEventType,
fEventFunction,
false
);
}
else if(mElement.detachEvent) {
mElement.detachEvent(
'on' + mEventType,
fEventFunction
);
}
},
detachObservers : function() {
for(var i = 0, iLength = Common.Event.aObservers.length; i < iLength; i++) {
Common.Event.remove(
Common.Event.aObservers[i][0],
Common.Event.aObservers[i][1],
Common.Event.aObservers[i][2]
);
Common.Event.aObservers[i][0] = null;
}
Common.Event.aObservers.length = 0;
},
cancel : function(oEvent) {
var oEvent = oEvent? oEvent : window.event;
oEvent.cancelBubble = true;
oEvent.returnValue = false;
if(oEvent.cancelable){
oEvent.preventDefault();
oEvent.stopPropagation();
}
return false;
},
normalize : function(oEvent) {
var oEvent = oEvent? oEvent : window.event;
if(oEvent && oEvent.srcElement && !window.opera) {
oEvent.target = oEvent.srcElement;
}
if(oEvent){
oEvent.iKeyCode = oEvent.keyCode?
oEvent.keyCode :
(oEvent.which? oEvent.which : null)
;
if(oEvent.wheelDelta) {
oEvent.iMouseWheelDelta = oEvent.wheelDelta / 120;
if(window.opera) {
oEvent.iMouseWheelDelta *= -1;
}
}
else if(oEvent.detail) {
oEvent.iMouseWheelDelta = -oEvent.detail / 3;
}
}
return oEvent;
},
getAbsoluteCoords : function(oEvent) {
var
oEvent = oEvent? oEvent : window.event,
oResult = {
iLeft : 0,
iTop  : 0
}
;
if(oEvent.pageX || oEvent.pageY) {
oResult.iLeft = oEvent.pageX;
oResult.iTop = oEvent.pageY;
}
else if(oEvent.clientX || oEvent.clientY) {
oResult.iLeft = oEvent.clientX + document.body.scrollLeft - document.body.clientLeft;
oResult.iTop = oEvent.clientY + document.body.scrollTop - document.body.clientTop;
if(document.body.parentElement && document.body.parentElement.clientLeft) {
var oBodyParent = document.body.parentElement;
oResult.iLeft += oBodyParent.scrollLeft - oBodyParent.clientLeft;
oResult.iTop += oBodyParent.scrollTop - oBodyParent.clientTop;
}
}
return oResult;
}
},
Dom : {
NODE_TYPE_ELEMENT : 1,
NODE_TYPE_TEXT    : 3,
getAbsoluteCoords : function(oElement) {
var oResult = {
iTop  : 0,
iLeft : 0
};
while(oElement) {
oResult.iTop += oElement.offsetTop;
oResult.iLeft += oElement.offsetLeft;
oElement = oElement.offsetParent;
}
return oResult;
},
getAttribute : function(
oElement,
sName
) {
if(oElement.attributes) {
for(var i = 0, iLength = oElement.attributes.length; i < iLength; i++){
if(oElement.attributes[i].nodeName == sName) {
return oElement.attributes[i].nodeValue;
}
}
}
return oElement.getAttribute(sName);
},
getElementsByClassName : function(
oElement,
sClassName,
sTagName,
bRecursion
) {
var
aResult = [],
sTagName = sTagName || '*';
;
if(!bRecursion) {
if(document.evaluate) {
oQueryResult = document.evaluate(
'.//' + sTagName + '[contains(concat(\' \', @class, \' \'), \' ' + sClassName + ' \')]',
oElement,
null,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
null
);
for(var i = 0, iLength = oQueryResult.snapshotLength; i < iLength; i++) {
aResult.push(oQueryResult.snapshotItem(i));
}
return aResult;
}
var aDescendants = oElement.getElementsByTagName(sTagName);
if(aDescendants.length > 0 ||
sTagName != '*'
) {
for(var i = 0, iLength = aDescendants.length, oDescendant; i < iLength; i++) {
oDescendant = aDescendants[i];
if(Common.Class.match(oDescendant, sClassName)) {
aResult.push(oDescendant);
}
}
return aResult;
}
}
for(var i = 0, iLength = oElement.childNodes.length, oChild; i < iLength; i++) {
oChild = oElement.childNodes[i];
if(oChild.nodeType != Common.Dom.NODE_TYPE_ELEMENT) {
continue;
}
if(Common.Class.match(oChild, sClassName)) {
aResult.push(oChild);
}
aResult = aResult.concat(
this.getElementsByClassName(
oChild,
sClassName,
sTagName,
true
)
);
}
return aResult;
}
},
Cookie : {
set : function(sName, sValue, sExpire, sPath) {
document.cookie = sName + '=' + (window.encodeURI? encodeURI(sValue) : escape(sValue)) +
((sExpire == null)? '' : ('; expires=' + sExpire.toGMTString())) +
((sPath == null)? '' : ('; path=' + sPath));
},
get : function(sName) {
var sSearch = sName + '=';
if(document.cookie.length > 0) {
var iOffset = document.cookie.indexOf(sSearch);
if(iOffset != -1) {
iOffset += sSearch.length;
var iEnd = document.cookie.indexOf(';', iOffset);
if(iEnd == -1) {
iEnd = document.cookie.length;
}
return window.decodeURI?
decodeURI(document.cookie.substring(iOffset, iEnd)) :
unescape(document.cookie.substring(iOffset, iEnd))
;
}
}
return '';
}
},
Object : {
extend : function(
oDestination,
oSource,
bReplace
) {
for(var i in oSource) {
if(bReplace || !oDestination[i]) {
oDestination[i] = oSource[i];
}
}
return oDestination;
}
},
Utils : {
oPopupDefaults : {
iWidth      : 540,
iHeight     : 600,
sToolbar    : 'no',
sMenubar    : 'no',
sResizeable : 'yes',
sScrollbars : 'yes',
sStatus     : 'yes'
},
popup : function(
sUrl,
sName,
oOptions,
bReplace
) {
oOptions = Common.Object.extend(
Common.Utils.oPopupDefaults,
oOptions,
true
);
var iLeftOffset = screen.availWidth / 2 - oOptions.iWidth / 2;
var iTopOffset = screen.availHeight / 2 - oOptions.iHeight / 2;
oNewWindow = window.open(
sUrl,
sName,
'left=' + iLeftOffset + ', ' +
'top = ' + iTopOffset + ', ' +
'width=' + oOptions.iWidth + ', ' +
'height=' + oOptions.iHeight + ', ' +
'menubar=' + oOptions.sMenubar + ', ' +
'toolbar=' + oOptions.sToolbar + ', ' +
'resizable=' + oOptions.sResizeable + ', ' +
'scrollbars=' + oOptions.sScrollbars + ', ' +
'status=' + oOptions.sStatus
);
if(sUrl.match(/\.(gif|jpe?g|png)$/i)) {
oNewWindow.document.open();
oNewWindow.document.write('<html><head></head><body style="background: #FFF; margin: 0px; padding: 0px;">' +
'<table cellpadding="0" cellspacing="0" border="0" width="100%" height="100%"><tr><td align="center">' +
'<img src="' + sUrl + '" />' +
'</td></tr></table></body></html>'
);
oNewWindow.document.close();
}
oNewWindow.focus();
return false;
},
aNavigationLinks : [
{
sRel     : 'next',
iKeyCode : 0x25,
sHref    : ''
},
{
sRel     : 'prev',
iKeyCode : 0x27,
sHref    : ''
},
{
sRel     : 'up',
iKeyCode : 0x26,
sHref    : ''
},
{
sRel     : 'down',
iKeyCode : 0x28,
sHref    : ''
},
{
sRel     : 'home',
iKeyCode : 0x24,
sHref    : '/'
}
],
keyNavigationInit : function() {
var aLinkElements = document.getElementsByTagName('link');
for(var i = 0, sRel; i < aLinkElements.length; i++) {
sRel = aLinkElements[i].rel;
for(var j = 0; j < this.aNavigationLinks.length; j++) {
if(this.aNavigationLinks[j].sRel == sRel) {
this.aNavigationLinks[j].sHref = aLinkElements[i].href;
break;
}
}
}
Common.Event.add(
document,
'keydown',
function(oEvent) {
var oEvent = Common.Event.normalize(oEvent);
if(!oEvent.ctrlKey) {
return true;
}
var aLinks = Common.Utils.aNavigationLinks;
for(var i = 0; i < aLinks.length; i++) {
if(aLinks[i].iKeyCode == oEvent.iKeyCode &&
aLinks[i].sHref != ''
) {
document.location = aLinks[i].sHref;
}
}
}
);
}
}
}

Common.Object.extend(
Function.prototype,
{
call : function() {
var
oObject = arguments[0],
aArguments = [],
oResult
;
oObject.fFunction = this;
for(var i = 1; i < arguments.length; i++) {
aArguments[aArguments.length] = 'arguments[' + i + ']';
}
eval('oResult = oObject.fFunction(' + aArguments.join(',') + ')');
oObject.fFunction = null;
return oResult;
},
apply : function() {
var
oContext,
oOldProperty,
aArguments = [],
oResult
;
oContext = arguments.length == 0? window : arguments[0];
oOldProperty = oContext.__temp;
oContext.__temp = this;
for(var i = 0; i < arguments[1].length; i++) {
aArguments[aArguments.length] = 'arguments[1][' + i + ']';
}
oResult = eval('oContext.__temp(' + aArguments.join(',') + ')');
oContext.__temp = oOldProperty;
return oResult;
},
inheritFrom : function(
BaseClass,
oOverride
) {
var Inheritance = function() {};
Inheritance.prototype = BaseClass.prototype;
this.prototype = new Inheritance();
this.prototype.constructor = this;
this.baseConstructor = BaseClass;
this.superClass = BaseClass.prototype;
if(oOverride) {
Common.Object.extend(
this.prototype,
oOverride,
true
);
}
}
}
);
function main(){
var aeInput = document.getElementsByTagName( 'input' );
for( var i = 0 ; i < aeInput.length ; i++ ){
if( aeInput[i].getAttribute( 'placeholder' ) ){
placeholder( aeInput[i], aeInput[i].getAttribute( 'placeholder' ), 'empty' );
}
}
makeSearchExamples();
makePseudoLinks();
makeLogoHover();
}
function makeSearchExamples(){
var eSearch = document.getElementById( 'search' );
if ( eSearch ) {
var eSearchInput = Common.Dom.getElementsByClassName(eSearch, 'search_input', 'input')[0];
var eSearchExamples = Common.Dom.getElementsByClassName(eSearch, 'search_examples', 'div')[0];
if ( eSearchInput && eSearchExamples ) {
var aLinks = eSearchExamples.getElementsByTagName('a');
if (aLinks.length > 0) {
for (var i = 0, iLength = aLinks.length, oLink; i < iLength; i++) {
oLink = aLinks[i];
Common.Class.add( oLink, 'pseudo_link' );
oLink.onclick = function(evt) { eSearchInput.value = this.innerHTML; return Common.Event.cancel(evt); }
}
}
}
}
}
function makePseudoLinks() {
var aPseudoLinks = Common.Dom.getElementsByClassName(document, 'pseudo_link', '*');
if (aPseudoLinks.length > 0) {
for(var i = 0, iLength = aPseudoLinks.length, oPseudoLink; i < iLength; i++) {
oPseudoLink = aPseudoLinks[i];
oPseudoLink.onmouseover = function() { Common.Class.add(this, 'pseudo_link_hover'); }
oPseudoLink.onmouseout = function() { Common.Class.remove(this, 'pseudo_link_hover'); }
}
}
}
function makeLogoHover() {
var oLogo = document.getElementById( 'logo' );
var oSiteCaption = document.getElementById( 'site_caption' );
if ( oLogo && oSiteCaption ) {
var oLogoLink = oLogo.getElementsByTagName('a')[0];
if ( oLogoLink ) {
Common.Event.add( oLogoLink, 'mouseover', function() { Common.Class.add(oSiteCaption, 'hover'); } );
Common.Event.add( oLogoLink, 'mouseout', function() { Common.Class.remove(oSiteCaption, 'hover'); } );
}
}
}
function PopupBlock(oContainer, oLink){
this.bInit = null;
this.bKeep = false;
var me = this;
this.oContainer = oContainer;
if (this.oContainer) {
Common.Event.add(this.oContainer, 'click', function(evt){ me.keep(evt); });
}
this.oLink = oLink;
if (this.oLink) {
Common.Event.add(this.oLink, 'click', function(evt){ if ( me.toggle(evt) ){ return Common.Event.cancel(evt); } });
}
}
PopupBlock.prototype.isInit = function(){
if (this.bInit == null) {
this.bInit = this.oContainer && this.oLink;
}
return this.bInit;
}
PopupBlock.prototype.toggle = function(evt){
if (this.isInit()) {
if (Common.Class.match(this.oContainer, 'hidden')) {
this.show(evt);
} else {
this.hide(evt);
}
return true;
} else {
return false;
}
}
PopupBlock.prototype.show = function(evt){
if (this.isInit()) {
Common.Class.remove(this.oContainer, 'hidden');
var me = this;
this.documentClickHandler = function(evt){ me.hide(evt); }
this.documentKeyDownHandler = function(evt){ me.cancel(evt); }
Common.Event.add(document, 'click', this.documentClickHandler);
Common.Event.add(document, 'keydown', this.documentKeyDownHandler);
}
}
PopupBlock.prototype.keep = function(evt){
if (this.isInit()) {
this.bKeep = true;
}
}
PopupBlock.prototype.hide = function(evt){
if (this.isInit()) {
if (this.bKeep) {
this.bKeep = false;
return;
}
Common.Class.add(this.oContainer, 'hidden');
Common.Event.remove(document, 'click', this.documentClickHandler);
Common.Event.remove(document, 'keydown', this.documentKeyDownHandler);
}
}
PopupBlock.prototype.cancel = function(evt){
if (this.isInit()) {
if (window.event) {
evt = window.event;
}
var code = evt.keyCode ? evt.keyCode : evt.which ? evt.which : null;
if (code == 27) {
this.hide(evt);
}
}
}
function LoginForm() {
var me = this;
var oContainer = document.getElementById('login_form');
var oLinkContainer = document.getElementById('login_link');
var oLink = null;
if (oLinkContainer) {
var oLink = oLinkContainer.getElementsByTagName('a')[0];
}
LoginForm.baseConstructor.call(this, oContainer, oLink);
if (this.oContainer) {
this.oClose = document.getElementById('login_form_close');
if (this.oClose) {
Common.Event.add(this.oClose, 'click', function(evt){ me.hide(evt); return Common.Event.cancel(evt); });
}
}
}
LoginForm.inheritFrom(
PopupBlock,
{
xFormCheck : function(){
if (this.isInit()) {
if (this.oInput.value != '') {
if (window.xForm) {
xForm.init();
}
}
clearInterval(this.iTimer);
}
}
}
);