/* Merged Plone Javascript file
 * This file is dynamically assembled from separate parts.
 * Some of these parts have 3rd party licenses or copyright information attached
 * Such information is valid for that section,
 * not for the entire composite file
 * originating files are separated by - filename.js -
 */

/* - select_all.js - */
// http://cnx.org/portal_javascripts/select_all.js?original=1
function selectAll(id,formName){if(formName==null){checkboxes=document.getElementsByName(id)
for(i=0;i<checkboxes.length;i++){checkboxes[i].checked=true }} else{for(i=0;i<document.forms[formName].elements.length;i++){if(document.forms[formName].elements[i].name==id){document.forms[formName].elements[i].checked=true}}}}
function deselectAll(id,formName){if(formName==null){checkboxes=document.getElementsByName(id)
for(i=0;i<checkboxes.length;i++){checkboxes[i].checked=false }} else{for(i=0;i<document.forms[formName].elements.length;i++){if(document.forms[formName].elements[i].name==id){document.forms[formName].elements[i].checked=false}}}}
function toggleSelect(selectbutton,id,initialState,formName){id=id||'ids:list'
if(selectbutton.isSelected==null){initialState=initialState||false;selectbutton.isSelected=initialState}
if(selectbutton.isSelected==false){selectbutton.setAttribute('src',portal_url+'/select_none_icon.gif');selectbutton.isSelected=true;return selectAll(id,formName)} else{selectbutton.setAttribute('src',portal_url+'/select_all_icon.gif');selectbutton.isSelected=false;return deselectAll(id,formName)}}


/* - dropdown.js - */
// http://cnx.org/portal_javascripts/dropdown.js?original=1
function isActionMenu(node){if(hasClassName(node,'actionMenu')){return true}
return false};
function hideAllMenus(){var menus=cssQuery('dl.actionMenu');for(var i=0;i<menus.length;i++){replaceClassName(menus[i],'activated','deactivated',true)}};
function toggleMenuHandler(event){if(!event) var event=window.event;if(!W3CDOM){return true}
var container=findContainer(this,isActionMenu);if(!container){return true}
if(hasClassName(container,'activated')){replaceClassName(container,'activated','deactivated',true)} else{replaceClassName(container,'deactivated','activated',true)}
return false};
function hideMenusHandler(event){if(!event) var event=window.event;hideAllMenus();return true};
function actionMenuDocumentMouseDown(event){if(!event) var event=window.event;if(event.target)
targ=event.target;else if(event.srcElement)
targ=event.srcElement;var container=findContainer(targ,isActionMenu);if(container){return true}
hideAllMenus();return true};
function actionMenuMouseOver(event){if(!event) var event=window.event;if(!this.tagName&&(this.tagName=='A'||this.tagName=='a')){return true}
var container=findContainer(this,isActionMenu);if(!container){return true}
var menu_id=container.id;var switch_menu=false;var menus=cssQuery('dl.actionMenu');for(var i=0;i<menus.length;i++){var menu=menus[i]
if(hasClassName(menu,'activated')){switch_menu=true}
if(menu.id!=menu_id){replaceClassName(menu,'activated','deactivated',true)}}
if(switch_menu){var menu=cssQuery('#'+menu_id)[0];if(menu){replaceClassName(menu,'deactivated','activated',true)}}
return true};
function initializeMenus(){if(!W3CDOM){return false}
document.onmousedown=actionMenuDocumentMouseDown;hideAllMenus();var menu_headers=cssQuery('dl.actionMenu > dt.actionMenuHeader > a');for(var i=0;i<menu_headers.length;i++){var menu_header=menu_headers[i];menu_header.onclick=toggleMenuHandler;menu_header.onmouseover=actionMenuMouseOver}
var menu_contents=cssQuery('dl.actionMenu > dd.actionMenuContent');for(var i=0;i<menu_contents.length;i++){menu_contents[i].onclick=hideMenusHandler}};registerPloneFunction(initializeMenus);

/* - dragdropreorder.js - */
// http://cnx.org/portal_javascripts/dragdropreorder.js?original=1
var ploneDnDReorder={}
ploneDnDReorder.dragging=null;ploneDnDReorder.table=null;ploneDnDReorder.rows=null;ploneDnDReorder.isDraggable=function(node){return hasClassName(node,'draggable')};ploneDnDReorder.doDown=function(e){if(!e) var e=window.event;var target=findContainer(this,ploneDnDReorder.isDraggable);if(target==null)
return;for(var i=0;i<ploneDnDReorder.rows.length;i++)
ploneDnDReorder.rows[i].onmousemove=ploneDnDReorder.doDrag;ploneDnDReorder.dragging=target;ploneDnDReorder.dragging._position=ploneDnDReorder.getPos(ploneDnDReorder.dragging);addClassName(ploneDnDReorder.dragging,"dragging");return false}
ploneDnDReorder.getPos=function(node){var children=node.parentNode.childNodes;var pos=0;for(var i=0;i<children.length;i++){if(node==children[i])
return pos;if(hasClassName(children[i],"draggable"))
pos++}
return null}
ploneDnDReorder.doDrag=function(e){if(!e) var e=window.event;if(!ploneDnDReorder.dragging)
return;var target=this;if(!target)
return;if(target.id!=ploneDnDReorder.dragging.id){ploneDnDReorder.swapElements(target,ploneDnDReorder.dragging)}
return false}
ploneDnDReorder.swapElements=function(child1,child2){var parent=child1.parentNode;var children=parent.childNodes;var items=new Array();for(var i=0;i<children.length;i++){var node=children[i];items[i]=node;if(node.id){removeClassName(node,"even");removeClassName(node,"odd");if(node.id==child1.id)
items[i]=child2;if(node.id==child2.id)
items[i]=child1}}
Sarissa.clearChildNodes(parent);var pos=0;for(var i=0;i<items.length;i++){var node=parent.appendChild(items[i]);if(node.id){if(pos%2)
addClassName(node,"even");else
addClassName(node,"odd");pos++}}}
ploneDnDReorder.doUp=function(e){if(!e) var e=window.event;if(!ploneDnDReorder.dragging)
return;removeClassName(ploneDnDReorder.dragging,"dragging");ploneDnDReorder.updatePositionOnServer();ploneDnDReorder.dragging._position=null;try{delete ploneDnDReorder.dragging._position} catch(e){}
ploneDnDReorder.dragging=null;for(var i=0;i<ploneDnDReorder.rows.length;i++)
ploneDnDReorder.rows[i].onmousemove=null;return false}
ploneDnDReorder.updatePositionOnServer=function(){var delta=ploneDnDReorder.getPos(ploneDnDReorder.dragging)-ploneDnDReorder.dragging._position;if(delta==0)
return;var req=new XMLHttpRequest();req.open("POST","folder_moveitem",true);req.setRequestHeader("Content-Type","application/x-www-form-urlencoded");var item_id=ploneDnDReorder.dragging.id.substr('folder-contents-item-'.length);req.send("item_id="+item_id+"&delta:int="+delta)}
ploneDnDReorder.initializeDragDrop=function(){ploneDnDReorder.table=cssQuery("table#sortable")[0];if(!ploneDnDReorder.table)
return;ploneDnDReorder.rows=cssQuery("table#sortable > tr,"+"table#sortable > tbody > tr");var targets=cssQuery("table#sortable > tr > td,"+"table#sortable > tbody > tr > td");for(var i=0;i<targets.length;i++){if(hasClassName(targets[i],'notDraggable'))
continue;targets[i].onmousedown=ploneDnDReorder.doDown;targets[i].onmouseup=ploneDnDReorder.doUp;addClassName(targets[i],"draggingHook")}}
registerPloneFunction(ploneDnDReorder.initializeDragDrop);

/* - collapsiblesections.js - */
// http://cnx.org/portal_javascripts/collapsiblesections.js?original=1
function isCollapsible(node){if(hasClassName(node,'collapsible')){return true}
return false};
function toggleCollapsible(event){if(!event) var event=window.event;if(!this.tagName&&(this.tagName=='DT'||this.tagName=='dt')){return true}
var container=findContainer(this,isCollapsible);if(!container){return true}
if(hasClassName(container,'collapsedBlockCollapsible')){replaceClassName(container,'collapsedBlockCollapsible','expandedBlockCollapsible')} else if(hasClassName(container,'expandedBlockCollapsible')){replaceClassName(container,'expandedBlockCollapsible','collapsedBlockCollapsible')} else if(hasClassName(container,'collapsedInlineCollapsible')){replaceClassName(container,'collapsedInlineCollapsible','expandedInlineCollapsible')} else if(hasClassName(container,'expandedInlineCollapsible')){replaceClassName(container,'expandedInlineCollapsible','collapsedInlineCollapsible')}};
function activateCollapsibles(){if(!W3CDOM){return false}
var collapsibles=cssQuery('dl.collapsible');for(var i=0;i<collapsibles.length;i++){var collapsible=collapsibles[i];var collapsible_header=cssQuery('dt.collapsibleHeader',collapsible)[0];collapsible_header.onclick=toggleCollapsible;if(hasClassName(collapsible,'inline')){if(hasClassName(collapsible,'collapsedOnLoad')){replaceClassName(collapsible,'collapsedOnLoad','collapsedInlineCollapsible')} else{addClassName(collapsible,'expandedInlineCollapsible')}} else{if(hasClassName(collapsible,'collapsedOnLoad')){replaceClassName(collapsible,'collapsedOnLoad','collapsedBlockCollapsible')} else{addClassName(collapsible,'expandedBlockCollapsible')}}}};registerPloneFunction(activateCollapsibles);

/* - se-highlight.js - */
// http://cnx.org/portal_javascripts/se-highlight.js?original=1
var searchEngines=[['^http://([^.]+\\.)?google.*','q='],['^http://search\\.yahoo.*','p='],['^http://search\\.msn.*','q='],['^http://search\\.aol.*','userQuery='],['^http://(www\\.)?altavista.*','q='],['^http://(www\\.)?feedster.*','q='],['^http://search\\.lycos.*','query='],['^http://(www\\.)?alltheweb.*','q='],['^http://(www\\.)?ask\\.com.*','q=']]
function decodeReferrer(ref){if(null==ref&&document.referrer){ref=document.referrer}
if(!ref) return null;var match=new RegExp('');var seQuery='';for(var i=0;i<searchEngines.length;i++){if(!match.compile){match=new RegExp(searchEngines[i][0],'i')} else{match.compile(searchEngines[i][0],'i')}
if(ref.match(match)){if(!match.compile){match=new RegExp('^.*[?&]'+searchEngines[i][1]+'([^&]+)&?.*$','i')} else{match.compile('^.*[?&]'+searchEngines[i][1]+'([^&]+)&?.*$')}
seQuery=ref.replace(match,'$1');if(seQuery){seQuery=decodeURIComponent(seQuery);seQuery=seQuery.replace(/\'|"/, '');return seQuery.split(/[\s,\+\.]+/)}}}
return null}


/* - first_input_focus.js - */
// http://cnx.org/portal_javascripts/first_input_focus.js?original=1
function setFocus(){if(!W3CDOM){return false};var xre=new RegExp(/\berror\b/);for(var f=0;(formnode=document.getElementsByTagName('form').item(f));f++){for(var i=0;(node=formnode.getElementsByTagName('div').item(i));i++){if(xre.exec(node.className)){for(var j=0;(inputnode=node.getElementsByTagName('input').item(j));j++){try{if(inputnode.focus){inputnode.focus();return}} catch(e){}}}}}}
registerPloneFunction(setFocus)


/* - folder_contents_filter.js - */
// http://cnx.org/portal_javascripts/folder_contents_filter.js?original=1
function submitFolderAction(folderAction){document.folderContentsForm.action=document.folderContentsForm.action+'/'+folderAction;document.folderContentsForm.submit()}
function submitFilterAction(){document.folderContentsForm.action=document.folderContentsForm.action+'/folder_contents';filter_selection=document.getElementById('filter_selection');for(var i=0;i<filter_selection.length;i++){if(filter_selection.options[i].selected){if(filter_selection.options[i].value=='#'){document.folderContentsForm.filter_state.value='clear_view_filter'}
else{document.folderContentsForm.filter_state.value='set_view_filter'}}}
document.folderContentsForm.submit()}


/* - table_sorter.js - */
// http://cnx.org/portal_javascripts/table_sorter.js?original=1
function compare(a,b){au=new String(a);bu=new String(b);if(au.charAt(4)!='-'&&au.charAt(7)!='-'){var an=parseFloat(au)
var bn=parseFloat(bu)}
if(isNaN(an)||isNaN(bn)){as=au.toLowerCase()
bs=bu.toLowerCase()
if(as>bs){return 1}
else{return-1}}
else{return an-bn}}
function getConcatenedTextContent(node){var _result="";if(node==null){return _result}
var childrens=node.childNodes;var i=0;while(i<childrens.length){var child=childrens.item(i);switch(child.nodeType){case 1:case 5:_result+=getConcatenedTextContent(child);break;case 3:case 2:case 4:_result+=child.nodeValue;break;case 6:case 7:case 8:case 9:case 10:case 11:case 12:break}
i++}
return _result}
function sort(e){var el=window.event?window.event.srcElement:e.currentTarget;var a=new Array();if(el.nodeName=='IMG') el=el.parentNode;var name=el.childNodes.item(1).nodeValue;var dad=el.parentNode;var node;for(var im=0;(node=dad.getElementsByTagName("th").item(im));im++){if(node.lastChild.nodeName=='IMG'){lastindex=node.getElementsByTagName('img').length-1;node.getElementsByTagName('img').item(lastindex).setAttribute('src',portal_url+'/arrowBlank.gif')}}
for(var i=0;(node=dad.getElementsByTagName("th").item(i));i++){var xre=new RegExp(/\bnosort\b/);if(!xre.exec(node.className)&&node.childNodes.item(1).nodeValue==name){lastindex=node.getElementsByTagName('img').length-1;node.getElementsByTagName('img').item(lastindex).setAttribute('src',portal_url+'/arrowUp.gif');break}}
var tbody=dad.parentNode.parentNode.getElementsByTagName("tbody").item(0);for(var j=0;(node=tbody.getElementsByTagName("tr").item(j));j++){a[j]=new Array();a[j][0]=getConcatenedTextContent(node.getElementsByTagName("td").item(i));a[j][1]=getConcatenedTextContent(node.getElementsByTagName("td").item(1));a[j][2]=getConcatenedTextContent(node.getElementsByTagName("td").item(0));a[j][3]=node}
if(a.length>1){a.sort(compare);if(a[0][0]==getConcatenedTextContent(tbody.getElementsByTagName("tr").item(0).getElementsByTagName("td").item(i))&&a[1][0]==getConcatenedTextContent(tbody.getElementsByTagName("tr").item(1).getElementsByTagName("td").item(i))){a.reverse();lastindex=el.getElementsByTagName('img').length-1;el.getElementsByTagName('img').item(lastindex).setAttribute('src',portal_url+'/arrowDown.gif')}}
for(var j=0;j<a.length;j++){a[j][3].className=((j%2)==0)?'odd':'even';tbody.appendChild(a[j][3])}}
function initalizeTableSort(e){if(!W3CDOM){return false};var tbls=document.getElementsByTagName('table');for(var t=0;t<tbls.length;t++){var re=new RegExp(/\blisting\b/)
var xre=new RegExp(/\bnosort\b/)
if(re.exec(tbls[t].className)&&!xre.exec(tbls[t].className)){try{var thead=tbls[t].getElementsByTagName("thead").item(0);var node;blankarrow=document.createElement('img');blankarrow.setAttribute('src',portal_url+'/arrowBlank.gif');blankarrow.setAttribute('height',6);blankarrow.setAttribute('width',9);initialsort=false;for(var i=0;(node=thead.getElementsByTagName("th").item(i));i++){if(!xre.exec(node.className)){node.insertBefore(blankarrow.cloneNode(1),node.firstChild);node.style.cursor='pointer';if(!initialsort){initialsort=true;uparrow=document.createElement('img');uparrow.setAttribute('src',portal_url+'/arrowUp.gif');uparrow.setAttribute('height',6);uparrow.setAttribute('width',9);node.appendChild(uparrow)} else{node.appendChild(blankarrow.cloneNode(1))}
if(node.addEventListener) node.addEventListener("click",sort,false);else if(node.attachEvent) node.attachEvent("onclick",sort)}}
selectSortColumnFromUrl(tbls[t])} catch(er){}}}}
function getUrlParameter(name){name=name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");var regexS="[\\?&]"+name+"=([^&#]*)";var regex=new RegExp(regexS);var results=regex.exec(window.location.href);if(results==null)
return "";else
return results[1]}
function endsWith(strFull,strEnd){var delta;delta=strFull.length-strEnd.length;return(delta>=0&&strFull.lastIndexOf(strEnd)==delta)}
function selectSortColumnFromUrl(nodeTable){var strColumnId;var strSortOrder;var nodesTHead;var nodeTHead;var nodesTH;var nodeTH;var strId;var nodesImg;var nodeImg;var nodeLastImg;var strLastImageUrl;var iLast;var i;var j;var k;var nodeBlankArrow;var nodeArrow;strColumnId=getUrlParameter('sort');if(strColumnId&&strColumnId.length>0){strSortOrder=getUrlParameter('sort_order');if(strSortOrder&&strSortOrder.length==0) strSortOrder='ascending';nodesTHead=nodeTable.getElementsByTagName("thead");if(nodesTHead&&nodesTHead.length&&nodesTHead.length>0){nodeTHead=nodesTHead.item(0);if(nodeTHead){nodesTH=nodeTHead.getElementsByTagName("th");if(nodesTH&&nodesTH.length&&nodesTH.length>0){for(i=0;i<nodesTH.length;i++){nodeTH=nodesTH[i];strId=nodeTH.getAttribute('id');if(strId&&endsWith(strId,strColumnId)){nodesImg=nodeTH.getElementsByTagName('img');if(nodesImg&&nodesImg.length&&nodesImg.length>0){iLast=nodesImg.length-1;nodeLastImg=nodesImg.item(iLast);strLastImageUrl=nodeLastImg.getAttribute('src');if(strLastImageUrl==portal_url+'/arrowBlank.gif'){nodeBlankArrow=document.createElement('img');nodeBlankArrow.setAttribute('src',portal_url+'/arrowBlank.gif');nodeBlankArrow.setAttribute('height',6);nodeBlankArrow.setAttribute('width',9);for(j=0;j<nodesTH.length;j++){nodeTH=nodesTH[j];nodesImg=nodeTH.getElementsByTagName('img');if(i==j){for(k=0;k<nodesImg.length-1;k++){nodeImg=nodesImg[k];nodeTH.insertBefore(nodeBlankArrow.cloneNode(1),nodeImg);nodeTH.removeChild(nodeImg)}
nodeLastImg=nodesImg[k];nodeArrow=document.createElement('img');if(strSortOrder=='ascending'){nodeArrow.setAttribute('src',portal_url+'/arrowUp.gif')}
else{nodeArrow.setAttribute('src',portal_url+'/arrowDown.gif')}
nodeArrow.setAttribute('height',6);nodeArrow.setAttribute('width',9);nodeTH.insertBefore(nodeArrow,nodeLastImg);nodeTH.removeChild(nodeLastImg)}
else{for(k=0;k<nodesImg.length;k++){nodeImg=nodesImg[k];nodeTH.insertBefore(nodeBlankArrow.cloneNode(1),nodeImg);nodeTH.removeChild(nodeImg)}}}}}
break}}}}}}}
registerPloneFunction(initalizeTableSort)


/* - ie5fixes.js - */
// http://cnx.org/portal_javascripts/ie5fixes.js?original=1
function hackPush(el){this[this.length]=el}
function hackPop(){var N=this.length-1,el=this[N];this.length=N
return el}
function hackShift(){var one=this[0],N=this.length;for(var i=1;i<N;i++){this[i-1]=this[i]}
this.length=N-1
return one}
var testPushPop=new Array();if(testPushPop.push){}else{Array.prototype.push=hackPush
Array.prototype.pop=hackPop
Array.prototype.shift=hackShift}