/* - dragdropreorder.js - */
// http://www.culturalmedia.com.au/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.parentNode;var dragging=ploneDnDReorder.dragging;dragging._position=ploneDnDReorder.getPos(dragging);addClassName(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;var dragging=ploneDnDReorder.dragging;if(!dragging)
return;var target=this;if(!target)
return;if(target.id!=dragging.id){ploneDnDReorder.swapElements(target,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;var dragging=ploneDnDReorder.dragging;if(!dragging)
return;removeClassName(dragging,"dragging");ploneDnDReorder.updatePositionOnServer();dragging._position=null;try{delete dragging._position} catch(e){}
dragging=null;for(var i=0;i<ploneDnDReorder.rows.length;i++)
ploneDnDReorder.rows[i].onmousemove=null;return false}
ploneDnDReorder.updatePositionOnServer=function(){var dragging=ploneDnDReorder.dragging;var delta=ploneDnDReorder.getPos(dragging)-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=dragging.id.substr('folder-contents-item-'.length);req.send("item_id="+item_id+"&delta:int="+delta)}