/*
 Copyright (c) 2006, Yahoo! Inc. All rights reserved.
 Code licensed under the BSD License:
 http://developer.yahoo.net/yui/license.txt
 version: 0.12.2
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
(function(){var Event=YAHOO.util.Event;var Dom=YAHOO.util.Dom;YAHOO.util.DragDrop=function(id,sGroup,config){if(id){this.init(id,sGroup,config);}};YAHOO.util.DragDrop.prototype={id:null,config:null,dragElId:null,handleElId:null,invalidHandleTypes:null,invalidHandleIds:null,invalidHandleClasses:null,startPageX:0,startPageY:0,groups:null,locked:false,lock:function(){this.locked=true;},unlock:function(){this.locked=false;},isTarget:true,padding:null,_domRef:null,__ygDragDrop:true,constrainX:false,constrainY:false,minX:0,maxX:0,minY:0,maxY:0,maintainOffset:false,xTicks:null,yTicks:null,primaryButtonOnly:true,available:false,hasOuterHandles:false,b4StartDrag:function(x,y){},startDrag:function(x,y){},b4Drag:function(e){},onDrag:function(e){},onDragEnter:function(e,id){},b4DragOver:function(e){},onDragOver:function(e,id){},b4DragOut:function(e){},onDragOut:function(e,id){},b4DragDrop:function(e){},onDragDrop:function(e,id){},onInvalidDrop:function(e){},b4EndDrag:function(e){},endDrag:function(e){},b4MouseDown:function(e){},onMouseDown:function(e){},onMouseUp:function(e){},onAvailable:function(){},getEl:function(){if(!this._domRef){this._domRef=Dom.get(this.id);}
return this._domRef;},getDragEl:function(){return Dom.get(this.dragElId);},init:function(id,sGroup,config){this.initTarget(id,sGroup,config);Event.on(this.id,"mousedown",this.handleMouseDown,this,true);},initTarget:function(id,sGroup,config){this.config=config||{};this.DDM=YAHOO.util.DDM;this.groups={};if(typeof id!=="string"){YAHOO.log("id is not a string, assuming it is an HTMLElement");id=Dom.generateId(id);}
this.id=id;this.addToGroup((sGroup)?sGroup:"default");this.handleElId=id;Event.onAvailable(id,this.handleOnAvailable,this,true);this.setDragElId(id);this.invalidHandleTypes={A:"A"};this.invalidHandleIds={};this.invalidHandleClasses=[];this.applyConfig();},applyConfig:function(){this.padding=this.config.padding||[0,0,0,0];this.isTarget=(this.config.isTarget!==false);this.maintainOffset=(this.config.maintainOffset);this.primaryButtonOnly=(this.config.primaryButtonOnly!==false);},handleOnAvailable:function(){this.available=true;this.resetConstraints();this.onAvailable();},setPadding:function(iTop,iRight,iBot,iLeft){if(!iRight&&0!==iRight){this.padding=[iTop,iTop,iTop,iTop];}else if(!iBot&&0!==iBot){this.padding=[iTop,iRight,iTop,iRight];}else{this.padding=[iTop,iRight,iBot,iLeft];}},setInitPosition:function(diffX,diffY){var el=this.getEl();if(!this.DDM.verifyEl(el)){return;}
var dx=diffX||0;var dy=diffY||0;var p=Dom.getXY(el);this.initPageX=p[0]-dx;this.initPageY=p[1]-dy;this.lastPageX=p[0];this.lastPageY=p[1];this.setStartPosition(p);},setStartPosition:function(pos){var p=pos||Dom.getXY(this.getEl());this.deltaSetXY=null;this.startPageX=p[0];this.startPageY=p[1];},addToGroup:function(sGroup){this.groups[sGroup]=true;this.DDM.regDragDrop(this,sGroup);},removeFromGroup:function(sGroup){if(this.groups[sGroup]){delete this.groups[sGroup];}
this.DDM.removeDDFromGroup(this,sGroup);},setDragElId:function(id){this.dragElId=id;},setHandleElId:function(id){if(typeof id!=="string"){YAHOO.log("id is not a string, assuming it is an HTMLElement");id=Dom.generateId(id);}
this.handleElId=id;this.DDM.regHandle(this.id,id);},setOuterHandleElId:function(id){if(typeof id!=="string"){YAHOO.log("id is not a string, assuming it is an HTMLElement");id=Dom.generateId(id);}
Event.on(id,"mousedown",this.handleMouseDown,this,true);this.setHandleElId(id);this.hasOuterHandles=true;},unreg:function(){Event.removeListener(this.id,"mousedown",this.handleMouseDown);this._domRef=null;this.DDM._remove(this);},isLocked:function(){return(this.DDM.isLocked()||this.locked);},handleMouseDown:function(e,oDD){var button=e.which||e.button;if(this.primaryButtonOnly&&button>1){return;}
if(this.isLocked()){return;}
this.DDM.refreshCache(this.groups);var pt=new YAHOO.util.Point(Event.getPageX(e),Event.getPageY(e));if(!this.hasOuterHandles&&!this.DDM.isOverTarget(pt,this)){}else{if(this.clickValidator(e)){this.setStartPosition();this.b4MouseDown(e);this.onMouseDown(e);this.DDM.handleMouseDown(e,this);this.DDM.stopEvent(e);}else{}}},clickValidator:function(e){var target=Event.getTarget(e);return(this.isValidHandleChild(target)&&(this.id==this.handleElId||this.DDM.handleWasClicked(target,this.id)));},addInvalidHandleType:function(tagName){var type=tagName.toUpperCase();this.invalidHandleTypes[type]=type;},addInvalidHandleId:function(id){if(typeof id!=="string"){YAHOO.log("id is not a string, assuming it is an HTMLElement");id=Dom.generateId(id);}
this.invalidHandleIds[id]=id;},addInvalidHandleClass:function(cssClass){this.invalidHandleClasses.push(cssClass);},removeInvalidHandleType:function(tagName){var type=tagName.toUpperCase();delete this.invalidHandleTypes[type];},removeInvalidHandleId:function(id){if(typeof id!=="string"){YAHOO.log("id is not a string, assuming it is an HTMLElement");id=Dom.generateId(id);}
delete this.invalidHandleIds[id];},removeInvalidHandleClass:function(cssClass){for(var i=0,len=this.invalidHandleClasses.length;i<len;++i){if(this.invalidHandleClasses[i]==cssClass){delete this.invalidHandleClasses[i];}}},isValidHandleChild:function(node){var valid=true;var nodeName;try{nodeName=node.nodeName.toUpperCase();}catch(e){nodeName=node.nodeName;}
valid=valid&&!this.invalidHandleTypes[nodeName];valid=valid&&!this.invalidHandleIds[node.id];for(var i=0,len=this.invalidHandleClasses.length;valid&&i<len;++i){valid=!Dom.hasClass(node,this.invalidHandleClasses[i]);}
return valid;},setXTicks:function(iStartX,iTickSize){this.xTicks=[];this.xTickSize=iTickSize;var tickMap={};for(var i=this.initPageX;i>=this.minX;i=i-iTickSize){if(!tickMap[i]){this.xTicks[this.xTicks.length]=i;tickMap[i]=true;}}
for(i=this.initPageX;i<=this.maxX;i=i+iTickSize){if(!tickMap[i]){this.xTicks[this.xTicks.length]=i;tickMap[i]=true;}}
this.xTicks.sort(this.DDM.numericSort);},setYTicks:function(iStartY,iTickSize){this.yTicks=[];this.yTickSize=iTickSize;var tickMap={};for(var i=this.initPageY;i>=this.minY;i=i-iTickSize){if(!tickMap[i]){this.yTicks[this.yTicks.length]=i;tickMap[i]=true;}}
for(i=this.initPageY;i<=this.maxY;i=i+iTickSize){if(!tickMap[i]){this.yTicks[this.yTicks.length]=i;tickMap[i]=true;}}
this.yTicks.sort(this.DDM.numericSort);},setXConstraint:function(iLeft,iRight,iTickSize){this.leftConstraint=iLeft;this.rightConstraint=iRight;this.minX=this.initPageX-iLeft;this.maxX=this.initPageX+iRight;if(iTickSize){this.setXTicks(this.initPageX,iTickSize);}
this.constrainX=true;},clearConstraints:function(){this.constrainX=false;this.constrainY=false;this.clearTicks();},clearTicks:function(){this.xTicks=null;this.yTicks=null;this.xTickSize=0;this.yTickSize=0;},setYConstraint:function(iUp,iDown,iTickSize){this.topConstraint=iUp;this.bottomConstraint=iDown;this.minY=this.initPageY-iUp;this.maxY=this.initPageY+iDown;if(iTickSize){this.setYTicks(this.initPageY,iTickSize);}
this.constrainY=true;},resetConstraints:function(){if(this.initPageX||this.initPageX===0){var dx=(this.maintainOffset)?this.lastPageX-this.initPageX:0;var dy=(this.maintainOffset)?this.lastPageY-this.initPageY:0;this.setInitPosition(dx,dy);}else{this.setInitPosition();}
if(this.constrainX){this.setXConstraint(this.leftConstraint,this.rightConstraint,this.xTickSize);}
if(this.constrainY){this.setYConstraint(this.topConstraint,this.bottomConstraint,this.yTickSize);}},getTick:function(val,tickArray){if(!tickArray){return val;}else if(tickArray[0]>=val){return tickArray[0];}else{for(var i=0,len=tickArray.length;i<len;++i){var next=i+1;if(tickArray[next]&&tickArray[next]>=val){var diff1=val-tickArray[i];var diff2=tickArray[next]-val;return(diff2>diff1)?tickArray[i]:tickArray[next];}}
return tickArray[tickArray.length-1];}},toString:function(){return("DragDrop "+this.id);}};})();if(!YAHOO.util.DragDropMgr){YAHOO.util.DragDropMgr=function(){var Event=YAHOO.util.Event;return{ids:{},handleIds:{},dragCurrent:null,dragOvers:{},deltaX:0,deltaY:0,preventDefault:true,stopPropagation:true,initalized:false,locked:false,init:function(){this.initialized=true;},POINT:0,INTERSECT:1,STRICT_INTERSECT:2,mode:0,_execOnAll:function(sMethod,args){for(var i in this.ids){for(var j in this.ids[i]){var oDD=this.ids[i][j];if(!this.isTypeOfDD(oDD)){continue;}
oDD[sMethod].apply(oDD,args);}}},_onLoad:function(){this.init();Event.on(document,"mouseup",this.handleMouseUp,this,true);Event.on(document,"mousemove",this.handleMouseMove,this,true);Event.on(window,"unload",this._onUnload,this,true);Event.on(window,"resize",this._onResize,this,true);},_onResize:function(e){this._execOnAll("resetConstraints",[]);},lock:function(){this.locked=true;},unlock:function(){this.locked=false;},isLocked:function(){return this.locked;},locationCache:{},useCache:true,clickPixelThresh:3,clickTimeThresh:1000,dragThreshMet:false,clickTimeout:null,startX:0,startY:0,regDragDrop:function(oDD,sGroup){if(!this.initialized){this.init();}
if(!this.ids[sGroup]){this.ids[sGroup]={};}
this.ids[sGroup][oDD.id]=oDD;},removeDDFromGroup:function(oDD,sGroup){if(!this.ids[sGroup]){this.ids[sGroup]={};}
var obj=this.ids[sGroup];if(obj&&obj[oDD.id]){delete obj[oDD.id];}},_remove:function(oDD){for(var g in oDD.groups){if(g&&this.ids[g][oDD.id]){delete this.ids[g][oDD.id];}}
delete this.handleIds[oDD.id];},regHandle:function(sDDId,sHandleId){if(!this.handleIds[sDDId]){this.handleIds[sDDId]={};}
this.handleIds[sDDId][sHandleId]=sHandleId;},isDragDrop:function(id){return(this.getDDById(id))?true:false;},getRelated:function(p_oDD,bTargetsOnly){var oDDs=[];for(var i in p_oDD.groups){for(j in this.ids[i]){var dd=this.ids[i][j];if(!this.isTypeOfDD(dd)){continue;}
if(!bTargetsOnly||dd.isTarget){oDDs[oDDs.length]=dd;}}}
return oDDs;},isLegalTarget:function(oDD,oTargetDD){var targets=this.getRelated(oDD,true);for(var i=0,len=targets.length;i<len;++i){if(targets[i].id==oTargetDD.id){return true;}}
return false;},isTypeOfDD:function(oDD){return(oDD&&oDD.__ygDragDrop);},isHandle:function(sDDId,sHandleId){return(this.handleIds[sDDId]&&this.handleIds[sDDId][sHandleId]);},getDDById:function(id){for(var i in this.ids){if(this.ids[i][id]){return this.ids[i][id];}}
return null;},handleMouseDown:function(e,oDD){this.currentTarget=YAHOO.util.Event.getTarget(e);this.dragCurrent=oDD;var el=oDD.getEl();this.startX=YAHOO.util.Event.getPageX(e);this.startY=YAHOO.util.Event.getPageY(e);this.deltaX=this.startX-el.offsetLeft;this.deltaY=this.startY-el.offsetTop;this.dragThreshMet=false;this.clickTimeout=setTimeout(function(){var DDM=YAHOO.util.DDM;DDM.startDrag(DDM.startX,DDM.startY);},this.clickTimeThresh);},startDrag:function(x,y){clearTimeout(this.clickTimeout);if(this.dragCurrent){this.dragCurrent.b4StartDrag(x,y);this.dragCurrent.startDrag(x,y);}
this.dragThreshMet=true;},handleMouseUp:function(e){if(!this.dragCurrent){return;}
clearTimeout(this.clickTimeout);if(this.dragThreshMet){this.fireEvents(e,true);}else{}
this.stopDrag(e);this.stopEvent(e);},stopEvent:function(e){if(this.stopPropagation){YAHOO.util.Event.stopPropagation(e);}
if(this.preventDefault){YAHOO.util.Event.preventDefault(e);}},stopDrag:function(e){if(this.dragCurrent){if(this.dragThreshMet){this.dragCurrent.b4EndDrag(e);this.dragCurrent.endDrag(e);}
this.dragCurrent.onMouseUp(e);}
this.dragCurrent=null;this.dragOvers={};},handleMouseMove:function(e){if(!this.dragCurrent){return true;}
if(YAHOO.util.Event.isIE&&!e.button){this.stopEvent(e);return this.handleMouseUp(e);}
if(!this.dragThreshMet){var diffX=Math.abs(this.startX-YAHOO.util.Event.getPageX(e));var diffY=Math.abs(this.startY-YAHOO.util.Event.getPageY(e));if(diffX>this.clickPixelThresh||diffY>this.clickPixelThresh){this.startDrag(this.startX,this.startY);}}
if(this.dragThreshMet){this.dragCurrent.b4Drag(e);this.dragCurrent.onDrag(e);this.fireEvents(e,false);}
this.stopEvent(e);return true;},fireEvents:function(e,isDrop){var dc=this.dragCurrent;if(!dc||dc.isLocked()){return;}
var x=YAHOO.util.Event.getPageX(e);var y=YAHOO.util.Event.getPageY(e);var pt=new YAHOO.util.Point(x,y);var oldOvers=[];var outEvts=[];var overEvts=[];var dropEvts=[];var enterEvts=[];for(var i in this.dragOvers){var ddo=this.dragOvers[i];if(!this.isTypeOfDD(ddo)){continue;}
if(!this.isOverTarget(pt,ddo,this.mode)){outEvts.push(ddo);}
oldOvers[i]=true;delete this.dragOvers[i];}
for(var sGroup in dc.groups){if("string"!=typeof sGroup){continue;}
for(i in this.ids[sGroup]){var oDD=this.ids[sGroup][i];if(!this.isTypeOfDD(oDD)){continue;}
if(oDD.isTarget&&!oDD.isLocked()&&oDD!=dc){if(this.isOverTarget(pt,oDD,this.mode)){if(isDrop){dropEvts.push(oDD);}else{if(!oldOvers[oDD.id]){enterEvts.push(oDD);}else{overEvts.push(oDD);}
this.dragOvers[oDD.id]=oDD;}}}}}
if(this.mode){if(outEvts.length){dc.b4DragOut(e,outEvts);dc.onDragOut(e,outEvts);}
if(enterEvts.length){dc.onDragEnter(e,enterEvts);}
if(overEvts.length){dc.b4DragOver(e,overEvts);dc.onDragOver(e,overEvts);}
if(dropEvts.length){dc.b4DragDrop(e,dropEvts);dc.onDragDrop(e,dropEvts);}}else{var len=0;for(i=0,len=outEvts.length;i<len;++i){dc.b4DragOut(e,outEvts[i].id);dc.onDragOut(e,outEvts[i].id);}
for(i=0,len=enterEvts.length;i<len;++i){dc.onDragEnter(e,enterEvts[i].id);}
for(i=0,len=overEvts.length;i<len;++i){dc.b4DragOver(e,overEvts[i].id);dc.onDragOver(e,overEvts[i].id);}
for(i=0,len=dropEvts.length;i<len;++i){dc.b4DragDrop(e,dropEvts[i].id);dc.onDragDrop(e,dropEvts[i].id);}}
if(isDrop&&!dropEvts.length){dc.onInvalidDrop(e);}},getBestMatch:function(dds){var winner=null;var len=dds.length;if(len==1){winner=dds[0];}else{for(var i=0;i<len;++i){var dd=dds[i];if(this.mode==this.INTERSECT&&dd.cursorIsOver){winner=dd;break;}else{if(!winner||!winner.overlap||(dd.overlap&&winner.overlap.getArea()<dd.overlap.getArea())){winner=dd;}}}}
return winner;},refreshCache:function(groups){for(var sGroup in groups){if("string"!=typeof sGroup){continue;}
for(var i in this.ids[sGroup]){var oDD=this.ids[sGroup][i];if(this.isTypeOfDD(oDD)){var loc=this.getLocation(oDD);if(loc){this.locationCache[oDD.id]=loc;}else{delete this.locationCache[oDD.id];}}}}},verifyEl:function(el){try{if(el){var parent=el.offsetParent;if(parent){return true;}}}catch(e){}
return false;},getLocation:function(oDD){if(!this.isTypeOfDD(oDD)){return null;}
var el=oDD.getEl(),pos,x1,x2,y1,y2,t,r,b,l;try{pos=YAHOO.util.Dom.getXY(el);}catch(e){}
if(!pos){return null;}
x1=pos[0];x2=x1+el.offsetWidth;y1=pos[1];y2=y1+el.offsetHeight;t=y1-oDD.padding[0];r=x2+oDD.padding[1];b=y2+oDD.padding[2];l=x1-oDD.padding[3];return new YAHOO.util.Region(t,r,b,l);},isOverTarget:function(pt,oTarget,intersect){var loc=this.locationCache[oTarget.id];if(!loc||!this.useCache){loc=this.getLocation(oTarget);this.locationCache[oTarget.id]=loc;}
if(!loc){return false;}
oTarget.cursorIsOver=loc.contains(pt);var dc=this.dragCurrent;if(!dc||!dc.getTargetCoord||(!intersect&&!dc.constrainX&&!dc.constrainY)){return oTarget.cursorIsOver;}
oTarget.overlap=null;var pos=dc.getTargetCoord(pt.x,pt.y);var el=dc.getDragEl();var curRegion=new YAHOO.util.Region(pos.y,pos.x+el.offsetWidth,pos.y+el.offsetHeight,pos.x);var overlap=curRegion.intersect(loc);if(overlap){oTarget.overlap=overlap;return(intersect)?true:oTarget.cursorIsOver;}else{return false;}},_onUnload:function(e,me){this.unregAll();},unregAll:function(){if(this.dragCurrent){this.stopDrag();this.dragCurrent=null;}
this._execOnAll("unreg",[]);for(i in this.elementCache){delete this.elementCache[i];}
this.elementCache={};this.ids={};},elementCache:{},getElWrapper:function(id){var oWrapper=this.elementCache[id];if(!oWrapper||!oWrapper.el){oWrapper=this.elementCache[id]=new this.ElementWrapper(YAHOO.util.Dom.get(id));}
return oWrapper;},getElement:function(id){return YAHOO.util.Dom.get(id);},getCss:function(id){var el=YAHOO.util.Dom.get(id);return(el)?el.style:null;},ElementWrapper:function(el){this.el=el||null;this.id=this.el&&el.id;this.css=this.el&&el.style;},getPosX:function(el){return YAHOO.util.Dom.getX(el);},getPosY:function(el){return YAHOO.util.Dom.getY(el);},swapNode:function(n1,n2){if(n1.swapNode){n1.swapNode(n2);}else{var p=n2.parentNode;var s=n2.nextSibling;if(s==n1){p.insertBefore(n1,n2);}else if(n2==n1.nextSibling){p.insertBefore(n2,n1);}else{n1.parentNode.replaceChild(n2,n1);p.insertBefore(n1,s);}}},getScroll:function(){var t,l,dde=document.documentElement,db=document.body;if(dde&&(dde.scrollTop||dde.scrollLeft)){t=dde.scrollTop;l=dde.scrollLeft;}else if(db){t=db.scrollTop;l=db.scrollLeft;}else{YAHOO.log("could not get scroll property");}
return{top:t,left:l};},getStyle:function(el,styleProp){return YAHOO.util.Dom.getStyle(el,styleProp);},getScrollTop:function(){return this.getScroll().top;},getScrollLeft:function(){return this.getScroll().left;},moveToEl:function(moveEl,targetEl){var aCoord=YAHOO.util.Dom.getXY(targetEl);YAHOO.util.Dom.setXY(moveEl,aCoord);},getClientHeight:function(){return YAHOO.util.Dom.getViewportHeight();},getClientWidth:function(){return YAHOO.util.Dom.getViewportWidth();},numericSort:function(a,b){return(a-b);},_timeoutCount:0,_addListeners:function(){var DDM=YAHOO.util.DDM;if(YAHOO.util.Event&&document){DDM._onLoad();}else{if(DDM._timeoutCount>2000){}else{setTimeout(DDM._addListeners,10);if(document&&document.body){DDM._timeoutCount+=1;}}}},handleWasClicked:function(node,id){if(this.isHandle(id,node.id)){return true;}else{var p=node.parentNode;while(p){if(this.isHandle(id,p.id)){return true;}else{p=p.parentNode;}}}
return false;}};}();YAHOO.util.DDM=YAHOO.util.DragDropMgr;YAHOO.util.DDM._addListeners();}
YAHOO.util.DD=function(id,sGroup,config){if(id){this.init(id,sGroup,config);}};YAHOO.extend(YAHOO.util.DD,YAHOO.util.DragDrop,{scroll:true,autoOffset:function(iPageX,iPageY){var x=iPageX-this.startPageX;var y=iPageY-this.startPageY;this.setDelta(x,y);},setDelta:function(iDeltaX,iDeltaY){this.deltaX=iDeltaX;this.deltaY=iDeltaY;},setDragElPos:function(iPageX,iPageY){var el=this.getDragEl();this.alignElWithMouse(el,iPageX,iPageY);},alignElWithMouse:function(el,iPageX,iPageY){var oCoord=this.getTargetCoord(iPageX,iPageY);if(!this.deltaSetXY){var aCoord=[oCoord.x,oCoord.y];YAHOO.util.Dom.setXY(el,aCoord);var newLeft=parseInt(YAHOO.util.Dom.getStyle(el,"left"),10);var newTop=parseInt(YAHOO.util.Dom.getStyle(el,"top"),10);this.deltaSetXY=[newLeft-oCoord.x,newTop-oCoord.y];}else{YAHOO.util.Dom.setStyle(el,"left",(oCoord.x+this.deltaSetXY[0])+"px");YAHOO.util.Dom.setStyle(el,"top",(oCoord.y+this.deltaSetXY[1])+"px");}
this.cachePosition(oCoord.x,oCoord.y);this.autoScroll(oCoord.x,oCoord.y,el.offsetHeight,el.offsetWidth);},cachePosition:function(iPageX,iPageY){if(iPageX){this.lastPageX=iPageX;this.lastPageY=iPageY;}else{var aCoord=YAHOO.util.Dom.getXY(this.getEl());this.lastPageX=aCoord[0];this.lastPageY=aCoord[1];}},autoScroll:function(x,y,h,w){if(this.scroll){var clientH=this.DDM.getClientHeight();var clientW=this.DDM.getClientWidth();var st=this.DDM.getScrollTop();var sl=this.DDM.getScrollLeft();var bot=h+y;var right=w+x;var toBot=(clientH+st-y-this.deltaY);var toRight=(clientW+sl-x-this.deltaX);var thresh=40;var scrAmt=(document.all)?80:30;if(bot>clientH&&toBot<thresh){window.scrollTo(sl,st+scrAmt);}
if(y<st&&st>0&&y-st<thresh){window.scrollTo(sl,st-scrAmt);}
if(right>clientW&&toRight<thresh){window.scrollTo(sl+scrAmt,st);}
if(x<sl&&sl>0&&x-sl<thresh){window.scrollTo(sl-scrAmt,st);}}},getTargetCoord:function(iPageX,iPageY){var x=iPageX-this.deltaX;var y=iPageY-this.deltaY;if(this.constrainX){if(x<this.minX){x=this.minX;}
if(x>this.maxX){x=this.maxX;}}
if(this.constrainY){if(y<this.minY){y=this.minY;}
if(y>this.maxY){y=this.maxY;}}
x=this.getTick(x,this.xTicks);y=this.getTick(y,this.yTicks);return{x:x,y:y};},applyConfig:function(){YAHOO.util.DD.superclass.applyConfig.call(this);this.scroll=(this.config.scroll!==false);},b4MouseDown:function(e){this.autoOffset(YAHOO.util.Event.getPageX(e),YAHOO.util.Event.getPageY(e));},b4Drag:function(e){this.setDragElPos(YAHOO.util.Event.getPageX(e),YAHOO.util.Event.getPageY(e));},toString:function(){return("DD "+this.id);}});YAHOO.util.DDProxy=function(id,sGroup,config){if(id){this.init(id,sGroup,config);this.initFrame();}};YAHOO.util.DDProxy.dragElId="ygddfdiv";YAHOO.extend(YAHOO.util.DDProxy,YAHOO.util.DD,{resizeFrame:true,centerFrame:false,createFrame:function(){var self=this;var body=document.body;if(!body||!body.firstChild){setTimeout(function(){self.createFrame();},50);return;}
var div=this.getDragEl();if(!div){div=document.createElement("div");div.id=this.dragElId;var s=div.style;s.position="absolute";s.visibility="hidden";s.cursor="move";s.border="2px solid #aaa";s.zIndex=999;body.insertBefore(div,body.firstChild);}},initFrame:function(){this.createFrame();},applyConfig:function(){YAHOO.util.DDProxy.superclass.applyConfig.call(this);this.resizeFrame=(this.config.resizeFrame!==false);this.centerFrame=(this.config.centerFrame);this.setDragElId(this.config.dragElId||YAHOO.util.DDProxy.dragElId);},showFrame:function(iPageX,iPageY){var el=this.getEl();var dragEl=this.getDragEl();var s=dragEl.style;this._resizeProxy();if(this.centerFrame){this.setDelta(Math.round(parseInt(s.width,10)/2),Math.round(parseInt(s.height,10)/2));}
this.setDragElPos(iPageX,iPageY);YAHOO.util.Dom.setStyle(dragEl,"visibility","visible");},_resizeProxy:function(){if(this.resizeFrame){var DOM=YAHOO.util.Dom;var el=this.getEl();var dragEl=this.getDragEl();var bt=parseInt(DOM.getStyle(dragEl,"borderTopWidth"),10);var br=parseInt(DOM.getStyle(dragEl,"borderRightWidth"),10);var bb=parseInt(DOM.getStyle(dragEl,"borderBottomWidth"),10);var bl=parseInt(DOM.getStyle(dragEl,"borderLeftWidth"),10);if(isNaN(bt)){bt=0;}
if(isNaN(br)){br=0;}
if(isNaN(bb)){bb=0;}
if(isNaN(bl)){bl=0;}
var newWidth=Math.max(0,el.offsetWidth-br-bl);var newHeight=Math.max(0,el.offsetHeight-bt-bb);DOM.setStyle(dragEl,"width",newWidth+"px");DOM.setStyle(dragEl,"height",newHeight+"px");}},b4MouseDown:function(e){var x=YAHOO.util.Event.getPageX(e);var y=YAHOO.util.Event.getPageY(e);this.autoOffset(x,y);this.setDragElPos(x,y);},b4StartDrag:function(x,y){this.showFrame(x,y);},b4EndDrag:function(e){YAHOO.util.Dom.setStyle(this.getDragEl(),"visibility","hidden");},endDrag:function(e){var DOM=YAHOO.util.Dom;var lel=this.getEl();var del=this.getDragEl();DOM.setStyle(del,"visibility","");DOM.setStyle(lel,"visibility","hidden");YAHOO.util.DDM.moveToEl(lel,del);DOM.setStyle(del,"visibility","hidden");DOM.setStyle(lel,"visibility","");},toString:function(){return("DDProxy "+this.id);}});YAHOO.util.DDTarget=function(id,sGroup,config){if(id){this.initTarget(id,sGroup,config);}};YAHOO.extend(YAHOO.util.DDTarget,YAHOO.util.DragDrop,{toString:function(){return("DDTarget "+this.id);}});