/*	
	Copyright 2009 British Broadcasting Corporation

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	   http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
*/
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i=this.el[0].offsetWidth;if(j.env.khtml){i-=this.val("margin-left")+this.val("margin-right")+this.val("border-left-width")+this.val("border-right-width");}return i;},borderHeight:function(){if(this._logicalBottom){return this._logicalBottom-this.offsetTop();}var i=this.el[0].offsetHeight;if(j.env.khtml){i-=this.val("margin-top")+this.val("margin-bottom")+this.val("border-top-width")+this.val("border-bottom-width");}return i;},outerWidth:function(){return this.borderWidth()+this.val("margin-left")+this.val("margin-right");},outerHeight:function(){return this.borderHeight()+this.val("margin-top")+this.val("margin-bottom");},innerLeftPos:function(){return this.offsetLeft()+this.val("margin-left")+this.val("border-left-width")+this.val("padding-left");},innerTopPos:function(){return this.offsetTop()+this.val("margin-top")+this.val("border-top-width")+this.val("padding-top");},surroundWidth:function(){return this.val("margin-left")+this.val("border-left-width")+this.val("padding-left")+this.val("padding-right")+this.val("border-right-width")+this.val("margin-right");},surroundHeight:function(){return this.val("margin-top")+this.val("border-top-width")+this.val("padding-top")+this.val("padding-bottom")+this.val("border-bottom-width")+this.val("margin-bottom");},verticalCenter:function(){return this.offsetTop()+(this.outerHeight()/2);},horizontalCenter:function(){return this.offsetTop()+(this.outerWidth()/2);}};for(var p in o.prototype){if(p=="val"){f(o,p);}else{b(o,p);}}j.lang.apply(o.prototype,{resetPosition:function(){s(this,["offsetTop","offsetLeft","borderTopPos","borderLeftPos","innerTopPos","innerLeftPos","verticalCenter","horizontalCenter"]);},setLogicalBottom:function(i){this._logicalBottom=i;},boundsFor:function(w){var r,i,x=this.el.css("position");if(x!="static"){r=i=0;}else{r=this.innerTopPos();i=this.innerLeftPos();}return[r,i+this.width()-w.outerWidth(),r+this.height()-w.outerHeight(),i];},outerBounds:function(){var r=this.offsetLeft(),i=this.offsetTop();return[i,r+this.borderWidth(),i+this.borderHeight(),r];},intersectSize:function(w,x){var r=this.outerBounds(),i=w.outerBounds();if(x){r[1]++;i[1]++;r[2]++;i[2]++;}return(r[2]<i[0]?0:i[2]<r[0]?0:r[0]<i[0]?(r[2]<i[2]?r[2]-i[0]:i[2]-i[0]):i[2]<r[2]?i[2]-r[0]:r[2]-r[0])*(r[1]<i[3]?0:i[1]<r[3]?0:r[3]<i[3]?(r[1]<i[1]?r[1]-i[3]:i[1]-i[3]):i[1]<r[1]?i[1]-r[3]:r[1]-r[3]);},sizePlaceholder:function(z,A,x,r){var y=new o(z),w=this.el,i=A||w.css("position");z.css("display","none");w.after(z);z.css("width",(this.outerWidth()-y.surroundWidth())+"px");z.css("height",(this.outerHeight()-y.surroundHeight())+"px");z.remove();z.css("display","block");if(i!="static"){z.css("left",x+"px");z.css("top",r+"px");}z.css("position",i);},contains:function(r){var i=this.boundsFor(r),x=r.offsetTop(),w=r.offsetLeft();return x>=i[0]&&w<=i[1]&&x<=i[2]&&w>=i[3];},containsPoint:function(r){var i=this.el.offset();return r.x>=i.left&&r.y>=i.top&&r.x<=i.left+this.borderWidth()&&r.y<=i.top+this.borderHeight();},positionedAncestorBox:function(){var i=this.el.parent(),r;while(i[0]){r=i.css("position")||"static";if(r=="relative"||r=="absolute"||r=="fixed"){return new o(i);}i=i.parent();}return null;}});function e(r){var i=r[0].tagName.toLowerCase()=="li"?"li":"div";var w=m("<"+i+"></"+i+">");if(i=="li"){w.css("list-style-type","none");}return w;}n.Draggable=function(y,z){this.element=h(y);this._opts=z=j.lang.apply({dragPrevention:["input","textarea","button","select","option","a"],placeholder:"spacer",placeholderClass:"glow-dragdrop-placeholder",step:{x:1,y:1}},z||{});if(typeof z.step=="number"){z.step={x:z.step,y:z.step};}else{z.step.x=z.step.x||1;z.step.y=z.step.y||1;}this._preventDrag=[];for(var w=0,r=z.dragPrevention.length;w<r;w++){this._preventDrag[w]=z.dragPrevention[w].toLowerCase();}if(z.container){this.container=h(z.container);}this._handle=z.handle&&this.element.get(z.handle)||this.element;if(z.dropTargets){this.dropTargets=h(z.dropTargets);}var x=this._listeners=[],w=0;if(z.onDrag){x[w++]=k(this,"drag",this._opts.onDrag,this);}if(z.onEnter){x[w++]=k(this,"enter",this._opts.onEnter,this);}if(z.onLeave){x[w++]=k(this,"leave",this._opts.onLeave,this);}if(z.onDrop){x[w++]=k(this,"drop",this._opts.onDrop,this);}this._dragListener=k(this._handle,"mousedown",this._startDragMouse,this);return;};n.Draggable.prototype={_createPlaceholder:function(){var i=this.element,w,r=this._box;if(this._opts.placeholder=="clone"){w=i.clone();}else{w=e(i);}if(this._opts.placeholderClass){w.addClass(this._opts.placeholderClass);}r.sizePlaceholder(w,null,this._startLeft,this._startTop);i.after(w);this._placeholder=w;},_removePlaceholder:function(){this._placeholder.remove();},_resetPosition:function(){var C=this._preDragPosition,i=this.element,w=this._box,x=this._startOffset,z=i.css("position"),B,y;w.resetPosition();var r={x:w.offsetLeft(),y:w.offsetTop()};if(this._placeholder||this._dropIndicator){i.remove();}if(C=="static"&&r.y==x.y&&r.x==x.x){i.css("position","static");i.css("left","");i.css("top","");}else{i.css("z-index",this._preDragZIndex);i.css("position",C=="static"?"relative":C);if(C=="static"){B=r.x-x.x;y=r.y-x.y;}else{if(C=="relative"&&z!="relative"){B=this._startLeft+(r.x-x.x);y=this._startTop+(r.y-x.y);}}if(z!=C){i.css("left",B?B+"px":"");i.css("top",y?y+"px":"");}}if(this._dropIndicator){var A=this._dropIndicator.parent()[0];if(A){A.replaceChild(i[0],this._dropIndicator[0]);}delete this._dropIndicator;if(this._placeholder){this._placeholder.remove();delete this._placeholder;}i.css("position",C);if(C=="relative"&&z!="relative"){i.css("left",this._startLeft);i.css("top",this._startTop);}}else{if(this._placeholder){var A=this._placeholder.parent()[0];if(A){A.replaceChild(i[0],this._placeholder[0]);}delete this._placeholder;}}},_startDragMouse:function(F){var B=this._preventDrag,w=F.source,J=w.tagName.toLowerCase();for(var D=0,C=B.length;D<C;D++){if(B[D]==J){return;}}if(t(this,"drag").defaultPrevented()){return;}if(this._dragging==1){return this.endDrag();}else{if(this._dragging){return;}}this._dragging=1;var z=this.element,y=this.container,r=this._opts,E=this._box=new o(z),A=r.step;this._preDragPosition=z.css("position");var G=this._startOffset={x:E.offsetLeft(),y:E.offsetTop()};if(y){this._containerBox=new o(y);this._bounds=this._containerBox.boundsFor(E);if(A.x!=1){this._bounds[3]-=(this._bounds[3]-G.x)%A.x;this._bounds[1]-=(this._bounds[1]-G.x)%A.x;}if(A.y!=1){this._bounds[0]-=(this._bounds[0]-G.y)%A.y;this._bounds[2]-=(this._bounds[2]-G.y)%A.y;}}else{delete this._bounds;}this._mouseStart={x:F.pageX,y:F.pageY};this._preDragStyle=z.attr("style");this._preDragZIndex=z.css("z-index");z.css("z-index",u++);this._startLeft=z[0].style.left?parseInt(z[0].style.left):0;this._startTop=z[0].style.top?parseInt(z[0].style.top):0;if(r.placeholder&&r.placeholder!="none"){this._createPlaceholder();}z.css("position","absolute");z.css("left",G.x+"px");z.css("top",G.y+"px");if(a){this._scrollY=document.documentElement.scrollTop;this._innerHeight=document.documentElement.clientHeight;}else{if(v){this._scrollY=document.body.scrollTop;this._innerHeight=document.body.clientHeight;}else{this._scrollY=window.scrollY;this._innerHeight=window.innerHeight;}}var H=function(){return false;},I=document.documentElement;if(this.dropTargets){var x=new c.Event();x.draggable=this;for(var D=0,C=this.dropTargets.length;D<C;D++){t(this.dropTargets[D],"active",x);}this._mousePos={x:F.pageX,y:F.pageY};this._testForDropTargets();}this._dragListeners=[k(I,"selectstart",H),k(I,"dragstart",H),k(I,"mousedown",H),k(I,"mousemove",this._dragMouse,this),k(I,"mouseup",this._releaseElement,this)];return false;},_dragMouse:function(z){var i=this.element,r=this._opts.axis,A=r=="y"?this._startOffset.x:(this._startOffset.x+z.pageX-this._mouseStart.x),y=r=="x"?this._startOffset.y:(this._startOffset.y+z.pageY-this._mouseStart.y),x=this._bounds,w=this._opts.step;if(w.x!=1){A=Math.round((A-this._startOffset.x)/w.x)*w.x+this._startOffset.x;}if(w.y!=1){y=Math.round((y-this._startOffset.y)/w.y)*w.y+this._startOffset.y;}if(x){if(r!="y"){A=A<x[3]?x[3]:A>x[1]?x[1]:A;}if(r!="x"){y=y<x[0]?x[0]:y>x[2]?x[2]:y;}}i[0].style.left=A+"px";i[0].style.top=y+"px";if(this.dropTargets){this._mousePos={x:z.pageX,y:z.pageY};}if(d&&z.nativeEvent.button==0){this._releaseElement(z);return false;}return false;},_testForDropTargets:function(F){if(!this._lock){this._lock=0;}if(F){this._lock--;}else{if(this.lock){return;}}if(this._dragging!=1){return;}var x=this.activeTarget,w,P=this.dropTargets,Q,A,D=this._box,I=this._mousePos;D.resetPosition();var B=0;for(var J=0,H=P.length;J<H;J++){Q=P[J];A=Q._box;if(Q._opts.tolerance=="contained"){if(A.contains(D)){w=Q;break;}}else{if(Q._opts.tolerance=="cursor"){if(A.containsPoint(I)){w=Q;break;}}else{var K=A.intersectSize(D,true);if(K>B){B=K;w=Q;}}}}this.activeTarget=w;if(w!==x){if(w){var G=new c.Event();G.draggable=this;t(w,"enter",G);var r=new c.Event();r.dropTarget=w;t(this,"enter",r);}if(x){var C=new c.Event();C.draggable=this;t(x,"leave",C);var E=new c.Event();E.dropTarget=x;t(this,"leave",E);}}if(w&&w._opts.dropIndicator!="none"){var N,L=w._childBoxes,y=w._children;D.resetPosition();var O=w._box.innerTopPos();var R=I.y-D.offsetParentPageTop();var M=0;for(var J=0,H=L.length;J<H;J++){if(y[J]==this.element[0]){continue;}N=L[J];O+=N.outerHeight();if(R<=O){if(w._dropIndicatorAt!=J){h(N.el).before(w._dropIndicator);w._dropIndicatorAt=J;}M=1;break;}}if(!M){if(N){h(N.el).after(w._dropIndicator);w._dropIndicatorAt=J+1;}else{w.element.append(w._dropIndicator);w._dropIndicatorAt=0;}}}this._lock++;var z=this;setTimeout(function(){z._testForDropTargets(1);},100);},_releaseElement:function(){if(this._dragging!=1){return;}this._dragging=2;var x,r;var B=this.dropTargets,A=this.activeTarget;if(B){for(x=0,r=B.length;x<r;x++){var z=new c.Event();z.draggable=this;z.droppedOnThis=A&&A==B[x];t(B[x],"inactive",z);}}if(A){var z=new c.Event();z.draggable=this;t(A,"drop",z);}var w=this._dragListeners;for(x=0,r=w.length;x<r;x++){c.removeListener(w[x]);}var y=t(this,"drop");if(!y.defaultPrevented()&&this.dropTargets){this.returnHome();}else{this.endDrag();}},endDrag:function(){if(this._dragging!=2){return;}this._dragging=0;if(this._reset){this._reset();delete this._reset;}if(this.placeholder){this.placeholder.remove();}this._resetPosition();delete this.activeTarget;t(this,"afterDrop");},returnHome:function(C){var w=(C)?C:j.tweens.linear(),z,i,x=this.element,r=Math.pow(Math.pow(this._startOffset.x-this._box.offsetLeft(),2)+Math.pow(this._startOffset.y-this._box.offsetTop(),2),0.5),y=0.3+(r/1000);var A=[[j.anim.css(x,y,{left:this._startOffset.x,top:this._startOffset.y},{tween:w})]];if(this._dropIndicator){A.push([j.anim.css(this._dropIndicator,y-0.1,{opacity:{to:0}})]);}var B=new j.anim.Timeline(A);k(B,"complete",function(){this.endDrag();},this);B.start();return;}};var l=0;n.DropTarget=function(i,r){i=this.element=h(i);if(!i.length){throw"no element passed into DropTarget constuctor";}if(i.length>1){throw"more than one element passed into DropTarget constructor";}this._id=++l;this._opts=r=j.lang.apply({dropIndicator:"none",dropIndicatorClass:"glow-dragdrop-dropindicator",tolerance:"intersect"},r||{});if(r.onActive){k(this,"active",r.onActive);}if(r.onInactive){k(this,"inactive",r.onInactive);}if(r.onEnter){k(this,"enter",r.onEnter);}if(r.onLeave){k(this,"leave",r.onLeave);}if(r.onDrop){k(this,"drop",r.onDrop);}k(this,"active",this._onActive);k(this,"inactive",this._onInactive);return this;};n.DropTarget.prototype={setLogicalBottom:function(i){this._logicalBottom=i;},_onActive:function(x){var r=x.draggable;this._box=new o(this.element);if(this._logicalBottom){this._box.setLogicalBottom(this._logicalBottom);}if(this._opts.dropIndicator=="none"){return;}this._onEnterListener=k(this,"enter",this._onEnter);this._onLeaveListener=k(this,"leave",this._onLeave);this._dropIndicator=e(r.element);if(this._opts.dropIndicatorClass){this._dropIndicator.addClass(this._opts.dropIndicatorClass);}r._box.sizePlaceholder(this._dropIndicator,"relative",0,0);var w=this._children=h(this.element.children()).filter(function(){var y=h(this);return(!x.draggable._placeholder||!y.eq(x.draggable._placeholder))&&(!this._dropIndicator||!y.eq(this._dropIndicator));});var i=this._childBoxes=[];w.each(function(y){i[y]=new o(h(w[y]));});},_onInactive:function(i){g(this._onEnterListener);g(this._onLeaveListener);delete this._box;if(this._opts.dropIndicator=="none"){return;}if(!i.droppedOnThis&&this._dropIndicator){this._dropIndicator.remove();delete this._dropIndicator;}delete this._childBoxes;delete this._children;},_onEnter:function(){this._dropIndicatorAt=-1;},_onLeave:function(){this._dropIndicator.remove();},moveToPosition:function(i){var y=this._dropIndicator,r=new o(y);var x=parseInt(y.css("margin-left"))||0,w=parseInt(y.css("margin-top"))||0;i._startOffset={x:r.offsetLeft()-x,y:r.offsetTop()-w};i._dropIndicator=y;delete this._dropIndicator;}};j.dragdrop=n;}});
/*@end @*/