/*
UvumiTools Crop V2.0.1 http://uvumi.com/tools/crop.html

Copyright (c) 2008 Uvumi LLC

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/

var uvumiCropper=new Class({Implements:[Events,Options],options:{maskOpacity:0.5,maskClassName:'cropperMask',handleClassName:'cropperHandle',resizerClassName:'cropperResize',wrapperClassName:'cropperWrapper',coordinatesClassName:'cropperCoordinates',mini:{x:80,y:60},handles:[['top','left'],'top',['top','right'],'right','left',['bottom','left'],'bottom',['bottom','right']],onComplete:$empty,onDestroy:$empty,keepRatio:false,doubleClik:true,handleSize:16,coordinates:false,preview:false,downloadButton:false,cancelButton:false,saveButton:false,adopt:false,parameters:{},coordinatesOpacity:0.25,serverScriptSave:'save-thumb.php',serverScriptDownload:'download-thumb.php',onRequestFail:function(){alert("The request could not be performed.")},onCropFail:function(a){alert(a)},onCropSuccess:function(b){alert('Thumbnail was generated successfully.');new Asset.image('images/thumbs/'+b,{onload:function(a){$$(this.previewWrapper,this.toolBox).destroy();this.wrapper.empty().setStyle('height','auto');a.inject(this.wrapper)}.bind(this)});this.removeEvents();this.crop=$empty},onDestroy:$empty},initialize:function(b,c){window.addEvent('domready',function(){this.target=$(b);if(!this.target.match('img')){return false}this.setOptions(c);this.params=this.options.parameters;this.mini={};this.mini.x=this.options.mini.x.toInt();this.mini.y=this.options.mini.y.toInt();this.runonce=false;new Asset.image(this.target.get('src'),{onload:function(a){if(this.runonce){return}this.runonce=true;this.width=a.get('width');this.buildCropper();if(this.options.maskOpacity){this.buildMask()}else{this.updateMask=$empty}this.drag=new Drag.Move(this.resizer,{container:this.target,snap:0,onStart:this.hideHandles.bind(this),onComplete:function(){this.showHandles();this.fireEvent('onComplete',[this.top,this.left,this.width,this.height])}.bind(this)});if(this.options.handles&&this.options.handles.length){this.resizeX=new Drag(this.resizer,{snap:0,modifiers:{x:'width',y:false},onComplete:this.stopResize.bind(this)}).detach();this.resizeY=new Drag(this.resizer,{snap:0,modifiers:{x:false,y:'height'},onComplete:this.stopResize.bind(this)}).detach();if(this.options.doubleClik){this.resizer.addEvent('dblclick',this.expandToMax.bind(this))}if(this.options.keepRatio){this.ratioOn()}else{this.ratioOff()}}else{this.drag.addEvent('drag',this.onDrag.bind(this))}this.drag.fireEvent('onDrag');this.drag.fireEvent('onComplete');this.show()}.bind(this)})}.bind(this))},buildCropper:function(){this.wrapper=new Element('div',{'class':this.options.wrapperClassName,styles:{position:'relative',width:this.target.getSize().x,height:this.target.getSize().y,overflow:'hidden'}}).wraps(this.target);this.border=this.target.getStyle('border-left');this.target.setStyles({margin:0,border:0,'float':'none'});this.target_coord=this.target.getCoordinates(this.wrapper);this.scaleRatio=this.width/this.target_coord.width;this.previewSize={x:this.mini.x,y:this.mini.y};if(this.target_coord.width<this.mini.x){this.mini.y=this.target_coord.width*this.mini.y/this.mini.x;this.mini.x=this.target_coord.width}if(this.target_coord.height<this.mini.y){this.mini.x=this.target_coord.height*this.mini.x/this.mini.y;this.mini.y=this.target_coord.height}this.resizer=new Element('div',{'class':this.options.resizerClassName,title:'Hold mouse down to move',styles:{position:'absolute',display:'block',margin:0,opacity:0,width:(this.scaleRatio<1?(this.mini.x/this.scaleRatio).toInt():this.mini.x),height:(this.scaleRatio<1?(this.mini.y/this.scaleRatio).toInt():this.mini.y),left:(this.target_coord.left+(this.target_coord.width/2)-(this.mini.x/2)).toInt(),top:(this.target_coord.top+(this.target_coord.height/2)-(this.mini.y/2)).toInt(),zIndex:5}}).inject(this.target,'after');this.margin=2*this.resizer.getStyle('border-width').toInt();this.resizer.setStyles({width:(this.scaleRatio<1?(this.mini.x/this.scaleRatio).toInt():this.mini.x)-this.margin,height:(this.scaleRatio<1?(this.mini.y/this.scaleRatio).toInt():this.mini.y)-this.margin});if(this.options.coordinates||(this.options.preview&&!$(this.options.preview))||this.options.saveButton||this.options.downloadButton||this.options.cancelButton||this.options.adopt){this.buildToolBox()}else{this.updateCoordinates=$empty}if(this.options.coordinates){this.buildCoordinates()}if(this.options.preview){if($(this.options.preview)){this.preview=$(this.options.preview);this.previewWrapper=new Element('div',{styles:{height:this.previewSize.y+2*this.preview.getStyle('border-width').toInt()+this.preview.getStyle('margin-top').toInt()+this.preview.getStyle('margin-bottom').toInt()}}).wraps(this.preview)}else{var a=new Element('div',{'class':'preview'}).inject(this.toolBox,'top');this.preview=new Element('div').inject(a)}this.preview.setStyles({display:'block',position:'relative',width:this.previewSize.x,height:this.previewSize.y,overflow:'hidden',margin:'auto',fontSize:0,lineHeight:0,opacity:0});this.previewImage=this.target.clone();this.previewImage.removeProperties('width','height').setStyle('position','absolute').inject(this.preview);this.addEvent('onPreview',this.updatePreview.bind(this))}if(this.options.adopt){var b=new Element('div',{styles:{clear:'both'}}).inject(this.toolBox);switch($type(this.options.adopt)){case'string':b.set('html',this.options.adopt);break;case'element':case'collection':b.adopt(this.options.adopt);break}}if(this.options.downloadButton||this.options.saveButton||this.options.cancelButton){var p=new Element('p').inject(this.toolBox);if(this.options.downloadButton){var c=new Element('button',{type:'button',html:($type(this.options.downloadButton)=='string'?this.options.downloadButton:'Download'),events:{click:this.cropDownload.bind(this,($type(this.options.downloadButton)=='object'?this.options.downloadButton:false))}}).inject(p)}if(this.options.saveButton){var c=new Element('button',{type:'button',html:($type(this.options.saveButton)=='string'?this.options.saveButton:'Save'),events:{click:this.cropSave.bind(this,($type(this.options.saveButton)=='object'?this.options.saveButton:false))}}).inject(p)}if(this.options.cancelButton){var c=new Element('button',{type:'button',html:($type(this.options.cancelButton)=='string'?this.options.cancelButton:'cancel'),events:{click:this.destroy.bind(this)}}).inject(p)}}if(this.options.handles&&this.options.handles.length){this.options.handles.each(this.buildHandle,this)}this.rezr_coord=this.resizer.getCoordinates(this.wrapper)},buildHandle:function(b){b=$splat(b);var x='';var y='';['left','right'].each(function(a){if(b.contains(a)){x=a}});['top','bottom'].each(function(a){if(b.contains(a)){y=a}});var c=new Element('div',{'class':this.options.handleClassName+' '+y+' '+x,title:(this.options.keepRatio?'Drag to resize':'Hold Shift to maintain aspect ratio'),tween:{duration:250,link:'cancel'},styles:{position:'absolute',height:this.options.handleSize,width:this.options.handleSize,fontSize:0},events:{mousedown:this.startResize.bind(this)}});c.inject(this.resizer);if(y=='top'){c.setStyle('top',-((this.options.handleSize+this.margin)/2).toInt())}else if(y=='bottom'){c.setStyle('bottom',-((this.options.handleSize+this.margin)/2).toInt())}else{c.setStyles({top:'50%',marginTop:-(this.options.handleSize/2).toInt()})}if(x=='left'){c.setStyle('left',-((this.options.handleSize+this.margin)/2).toInt())}else if(x=='right'){c.setStyle('right',-((this.options.handleSize+this.margin)/2).toInt())}else{c.setStyles({left:'50%',marginLeft:-(this.options.handleSize/2).toInt()})}},buildMask:function(){this.innermask=this.target.clone();this.innermask.setProperties(this.target.getProperties('width','height'));this.innermask.setStyles({position:'absolute',padding:0,margin:0,top:0,left:0,zIndex:4,opacity:0}).inject(this.wrapper);this.outtermask=new Element('div',{'class':this.options.maskClassName,styles:{position:'absolute',padding:0,margin:0,top:0,left:0,width:'100%',height:this.target_coord.height,zIndex:3,opacity:0},events:{'click':this.moveToClick.bind(this)}}).inject(this.wrapper);this.slide=new Fx.Elements($$(this.resizer,this.innermask,this.previewImage,this.toolBox),{onComplete:function(){this.drag.fireEvent('onDrag');this.drag.fireEvent('onComplete')}.bind(this)})},buildToolBox:function(){this.toolBox=new Element('div',{'class':this.options.coordinatesClassName+(Browser.Engine.trident?' IE':''),styles:{position:'absolute',zIndex:5,opacity:0}}).inject($(document.body));this.toolBoxOffesetLeft=0;this.toolBoxOffesetTop=10;if(this.options.coordinatesOpacity&&this.options.coordinatesOpacity<1){this.toolBox.set('tween',{duration:'short',link:'cancel'}).addEvents({mouseenter:function(){this.fade('in')},mouseleave:function(){this.toolBox.fade(this.options.coordinatesOpacity)}.bind(this)})}this.toolBoxTopBar=new Element('div',{'class':'topbar',html:'=drag here=',styles:{position:'absolute',top:0,left:0,width:'100%'}}).inject(this.toolBox,'top');new Drag(this.toolBox,{handle:this.toolBoxTopBar,onComplete:function(){var a=this.resizer.getCoordinates();var b=this.toolBox.getCoordinates();this.toolBoxOffesetLeft=b.left-a.left;this.toolBoxOffesetTop=b.top-a.bottom}.bind(this)})},buildCoordinates:function(){this.topcoord=new Element('input',{type:'text'});this.leftcoord=new Element('input',{type:'text'});this.heightcoord=new Element('input',{type:'text'});this.widthcoord=new Element('input',{type:'text'});$$(this.topcoord,this.leftcoord,this.heightcoord,this.widthcoord).addEvent('change',this.updateFromInput.bind(this));var a=new Element('label',{html:'x : '});var b=new Element('label',{html:'y : '});var c=new Element('label',{html:'w : '});var d=new Element('label',{html:'h : '});this.toolBox.adopt(a,this.leftcoord,b,this.topcoord,new Element('br'),c,this.widthcoord,d,this.heightcoord,new Element('br'))},startResize:function(e){this.resizing=true;var a=$(e.target);if(e.shift&&!this.options.keepRatio){this.ratioOn()}this.drag.addEvent('beforeStart',function(){this.drag.options.limit={x:[0,(this.rezr_coord.right-(this.mini.x/this.scaleRatio).toInt())],y:[0,(this.rezr_coord.bottom-(this.mini.y/this.scaleRatio).toInt())]}}.bind(this));if(a.hasClass('left')){this.resizeX.options.invert=true;this.drag.options.modifiers.x='left';this.resizeX.options.limit={x:[((this.mini.x/this.scaleRatio).toInt()-this.margin),(this.rezr_coord.right-this.margin)]};this.resizeX.start(e)}else if(a.hasClass('right')||this.ratio){this.resizeX.options.invert=false;this.drag.options.modifiers.x=false;this.resizeX.options.limit={x:[((this.mini.x/this.scaleRatio).toInt()-this.margin),((this.target_coord.width-this.margin)-this.rezr_coord.left)]};this.resizeX.start(e)}else{this.drag.options.modifiers.x=false}if(a.hasClass('top')){this.resizeY.options.invert=true;this.drag.options.modifiers.y='top';this.resizeY.options.limit={y:[((this.mini.y/this.scaleRatio).toInt()-this.margin),(this.rezr_coord.bottom-this.margin)]};this.resizeY.start(e)}else if(a.hasClass('bottom')||this.ratio){this.resizeY.options.invert=false;this.drag.options.modifiers.y=false;this.resizeY.options.limit={y:[((this.mini.y/this.scaleRatio).toInt()-this.margin),((this.target_coord.height-this.margin)-this.rezr_coord.top)]};this.resizeY.start(e)}else{this.drag.options.modifiers.y=false}},stopResize:function(){this.resizing=false;this.drag.options.modifiers={x:'left',y:'top'};this.drag.options.limit=false;this.drag.removeEvents('beforeStart');if(this.ratio){this.check();this.onDrag();if(!this.options.keepRatio){this.ratioOff()}}},hideHandles:function(){if(!this.resizing){$$('.'+this.options.handleClassName).fade('out')}},showHandles:function(){if(!this.resizing){$$('.'+this.options.handleClassName).fade('in')}},onDrag:function(){this.updateMask();this.top=((this.rezr_coord.top-this.target_coord.top)*this.scaleRatio).toInt();this.left=((this.rezr_coord.left-this.target_coord.left)*this.scaleRatio).toInt();this.width=Math.max((this.rezr_coord.width*this.scaleRatio).toInt(),this.mini.x);this.height=Math.max((this.rezr_coord.height*this.scaleRatio).toInt(),this.mini.y);this.updateCoordinates();this.fireEvent('onPreview',[this.top,this.left,this.width,this.height])},onDragRatio:function(){if(this.resizing){this.check()}this.onDrag()},check:function(){this.rezr_coord=this.resizer.getCoordinates(this.wrapper);if(this.ratio>1){var a=(this.rezr_coord.height*this.ratio).toInt();var b=this.rezr_coord.height;this.resizer.setStyle('width',Math.min(a,this.target_coord.width-this.rezr_coord.left)-this.margin)}else{var a=this.rezr_coord.width;var b=(this.rezr_coord.width/this.ratio).toInt();this.resizer.setStyle('height',Math.min(b,this.target_coord.height-this.rezr_coord.top)-this.margin)}if(this.drag.options.modifiers.x){this.resizer.setStyle('left',Math.max(this.rezr_coord.right-a,0))}if(this.drag.options.modifiers.y){this.resizer.setStyle('top',Math.max(this.rezr_coord.bottom-b,0))}this.rezr_coord=this.resizer.getCoordinates(this.wrapper);if(this.rezr_coord.right>=this.target_coord.width){this.resizer.setStyle('height',(this.rezr_coord.width/this.ratio).toInt()-this.margin)}if(this.rezr_coord.bottom>=this.target_coord.height){this.resizer.setStyle('width',(this.rezr_coord.height*this.ratio).toInt()-this.margin)}},updatePreview:function(a,b,c,d){if(d*this.previewSize.x/c<this.previewSize.y){this.preview.setStyles({width:this.previewSize.x,height:(this.previewSize.x*d/c).toInt()});this.previewImage.setStyles({width:(this.target_coord.width*this.previewSize.x*this.scaleRatio/c).toInt(),height:'auto',top:-(a*this.previewSize.x/c).toInt(),left:-(b*this.previewSize.x/c).toInt()})}else{this.preview.setStyles({height:this.previewSize.y,width:(this.previewSize.y*c/d).toInt()});this.previewImage.setStyles({height:(this.target_coord.height*this.previewSize.y*this.scaleRatio/d).toInt(),width:'auto',top:-(a*this.previewSize.y/d).toInt(),left:-(b*this.previewSize.y/d).toInt()})}},updateMask:function(){this.rezr_coord=this.resizer.getCoordinates(this.wrapper);this.innermask.setStyle('clip','rect('+this.rezr_coord.top+'px '+this.rezr_coord.right+'px '+this.rezr_coord.bottom+'px '+this.rezr_coord.left+'px)')},updateCoordinates:function(){if(this.options.coordinates){this.leftcoord.set('value',this.left);this.topcoord.set('value',this.top);this.widthcoord.set('value',this.width);this.heightcoord.set('value',this.height)}var a=this.resizer.getCoordinates();this.toolBox.setStyles({top:a.bottom+this.toolBoxOffesetTop,left:a.left+this.toolBoxOffesetLeft})},updateFromInput:function(e){var a=(this.topcoord.get('value').clean()/this.scaleRatio||0).toInt();var b=(this.leftcoord.get('value').clean()/this.scaleRatio||0).toInt();var c=(this.heightcoord.get('value').clean()/this.scaleRatio||0).toInt();var d=(this.widthcoord.get('value').clean()/this.scaleRatio||0).toInt();a=a.limit(0,this.target_coord.height-this.rezr_coord.height);b=b.limit(0,this.target_coord.width-this.rezr_coord.width);c=c.limit((this.mini.y/this.scaleRatio).toInt(),this.target_coord.height-this.rezr_coord.top);d=d.limit((this.mini.x/this.scaleRatio).toInt(),this.target_coord.width-this.rezr_coord.left);if(this.ratio){if($(e.target)==this.widthcoord){c=Math.min((d/this.ratio).toInt(),this.target_coord.height-this.rezr_coord.top);d=(c*this.ratio).toInt()}else if($(e.target)==this.heightcoord){d=Math.min((c*this.ratio).toInt(),this.target_coord.width-this.rezr_coord.left);c=(d/this.ratio).toInt()}}this.resizer.setStyles({'height':c-this.margin,'width':d-this.margin,'top':a,'left':b});this.drag.fireEvent('drag');this.drag.fireEvent('onComplete')},moveToClick:function(e){var a=e.page.x;var b=e.page.y;var c=this.wrapper.getPosition();var d=a-c.x;var f=b-c.y;var g=(f-(this.rezr_coord.height/2).toInt()).limit(0,this.target_coord.height-this.rezr_coord.height);var h=(d-(this.rezr_coord.width/2).toInt()).limit(0,this.target_coord.width-this.rezr_coord.width);var i=h+this.rezr_coord.width;var j=g+this.rezr_coord.height;var k={0:{top:g,left:h},1:{clip:[[this.rezr_coord.top,this.rezr_coord.right,this.rezr_coord.bottom,this.rezr_coord.left],[g,i,j,h]]}};if(this.preview){var l=this.preview.getSize();k[2]={top:-(g*l.y/(j-g)).toInt(),left:-(h*l.x/(i-h)).toInt()}}if(this.toolBox){k[this.slide.elements.length-1]={'top':j+c.y+this.toolBoxOffesetTop,'left':h+c.x+this.toolBoxOffesetLeft}}this.slide.start(k)},expandToMax:function(){if(this.ratio){if(this.target_coord.width/this.target_coord.height<this.ratio){var a=((this.target_coord.height-(this.target_coord.width/this.ratio))/2).toInt();var b=0;var c=this.target_coord.width-this.margin;var d=(this.target_coord.width/this.ratio).toInt()-this.margin}else{var a=0;var b=((this.target_coord.width-(this.target_coord.height*this.ratio))/2).toInt();var c=(this.target_coord.height*this.ratio).toInt()-this.margin;var d=this.target_coord.height-this.margin}}else{var a=0;var b=0;var c=this.target_coord.width-this.margin;var d=this.target_coord.height-this.margin;if(this.preview){if(d*this.previewSize.x/c<this.previewSize.y){this.preview.setStyles({width:this.previewSize.x,height:(this.previewSize.x*d/c).toInt()})}else{this.preview.setStyles({height:this.previewSize.y,width:(this.previewSize.y*c/d).toInt()})}}}var e={0:{top:a,left:b,width:c,height:d},1:{clip:[[this.rezr_coord.top,this.rezr_coord.right,this.rezr_coord.bottom,this.rezr_coord.left],[a,b+c,d+a,b]]}};if(this.preview){var f=this.previewImage.getCoordinates(this.preview);f.bottom=null;f.right=null;this.previewImage.setStyles(f);var g=this.preview.getSize();e[2]={top:-(a*this.previewSize.y/d).toInt(),left:-(b*this.previewSize.x/c).toInt(),width:(this.target_coord.width*g.x*this.scaleRatio/c).toInt(),height:(this.target_coord.height*g.y*this.scaleRatio/d).toInt()}}if(this.toolBox){var h=this.wrapper.getPosition();e[this.slide.elements.length-1]={'top':d+h.y+this.toolBoxOffesetTop,'left':b+h.x+this.toolBoxOffesetLeft}}this.slide.start(e)},hide:function(){$$(this.resizer,this.innermask,this.outtermask,this.preview,this.toolBox).fade('out')},show:function(){$$(this.resizer,this.innermask,this.preview).fade('in');if(this.options.maskOpacity){this.outtermask.fade(this.options.maskOpacity)}if(this.toolBox){this.toolBox.fade(this.options.coordinatesOpacity||'in')}},toggle:function(){if(this.resizer.getStyle('opacity')==1){this.hide()}else{this.show()}},destroy:function(){this.hide();this.target.setStyle('border',this.border);(function(){this.target.replaces(this.wrapper);if(this.previewWrapper){this.preview.empty().setStyles({height:0,width:0}).replaces(this.previewWrapper)}this.fireEvent('onDestroy',this.target);if(this.toolBox){this.toolBox.destroy()}}).delay(600,this)},ratioOn:function(){this.ratio=this.rezr_coord.width/this.rezr_coord.height;this.drag.removeEvents('drag');this.drag.addEvent('drag',this.onDragRatio.bind(this))},ratioOff:function(){this.ratio=false;this.drag.removeEvents('drag');this.drag.addEvent('drag',this.onDrag.bind(this))},changeImage:function(c){new Asset.image(c,{onload:function(b){this.hide();this.target.get('tween').start('opacity',0).chain(function(){this.scaleRatio=b.get('width')/this.target_coord.width;var a=(b.get('height')/this.scaleRatio).toInt();this.wrapper.setStyle('height',a);this.target.set({width:this.target_coord.width,height:a});this.target_coord=this.target.getCoordinates(this.wrapper);this.target.set('src',c);if(this.target_coord.width<this.mini.x){this.mini.y=this.target_coord.width*this.mini.y/this.mini.x;this.mini.x=this.target_coord.width}if(this.target_coord.height<this.mini.y){this.mini.x=this.target_coord.height*this.mini.x/this.mini.y;this.mini.y=this.target_coord.height}this.resizer.setStyles({width:(this.mini.x/this.scaleRatio).toInt()-this.margin,height:(this.mini.y/this.scaleRatio).toInt()-this.margin,left:(this.target_coord.left+(this.target_coord.width/2)-(this.mini.x/2)).toInt(),top:(this.target_coord.top+(this.target_coord.height/2)-(this.mini.y/2)).toInt()});this.innermask.setProperties(this.target.getProperties('width','height','src'));this.outtermask.setStyle('height',this.target_coord.height);if(this.previewImage){this.previewImage.set('src',c)}this.drag.fireEvent('onDrag');this.drag.fireEvent('onComplete');this.show();this.target.get('tween').start('opacity',1)}.bind(this))}.bind(this)})},cropDownload:function(a){this.prepareParameters(a);params=new Hash(this.params);location.href=this.options.serverScriptDownload+"?"+params.toQueryString()},cropSave:function(c){this.prepareParameters(c);this.request=new Request.JSON({url:this.options.serverScriptSave,data:this.params,onSuccess:function(a,b){if(a){if(a.error){this.fireEvent('onCropFail',a.error)}else if(a.success){this.fireEvent('onCropSuccess',a.success)}}else{this.fireEvent('onCropFail',b)}}.bind(this),onFailure:function(){this.fireEvent('onRequestFail')}.bind(this)}).send()},prepareParameters:function(a){var b={filename:this.target.get('src').split('/').getLast(),max_height:this.mini.y,max_width:this.mini.x,top:this.top,left:this.left,width:this.width,height:this.height};this.addParameters(b);this.addParameters(a)},addParameters:function(a){if($type(a)=='object'){this.params=$merge(this.params,a)}}});