var iSEObutton=new Class({options:{container:document,targetImageClass:".iSEObuttonImg",targetCaptionClass:".iSEObuttonCaption",dimThumb:{width:64,height:64},dimFocus:{width:128,height:128},eyeRadius:192,pupilRadius:50,useAxis:'x',norm:"L1",blankPath:"images/blank.gif",onEyeOver:Class.empty,onEyeOut:Class.empty,onPupilOver:Class.empty,onPupilOut:Class.empty},initialize:function(options){this.setOptions(options);this.imgs=$$(this.options.targetImageClass);this.captions=$A($$(this.options.targetCaptionClass));this.imgs.each(function(obj,i){obj.setStyles({width:this.options.dimThumb.width+"px",height:this.options.dimThumb.height+"px"});var src=obj.getProperty("src");var ext=src.substr(src.length-3);if(ext=="png"&&window.ie){obj.setStyle("filter","progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"',sizingMethod='scale')");obj.setProperty("src",this.options.blankPath);}
this.captions[i].setOpacity(0);}.bind(this));this.options.container.addEvents({"mousemove":function(event){event=new Event(event);this._nextState(event);}.bind(this),"mouseleave":function(){this._initialState();}.bind(this)});},_initialState:function(){this.imgs.each(function(obj,i){this.captions[i].setOpacity(0);obj.effects({duration:300,transition:Fx.Transitions.Sine.easeInOut}).start({"width":[obj.getStyle("width").toInt(),this.options.dimThumb.width],"height":[obj.getStyle("height").toInt(),this.options.dimThumb.height]})}.bind(this))},_nextState:function(event){this.imgs.each(function(obj,i){var h=this._getDistance(event,obj);var objProperties=this._getDimensions(h);obj.setStyles({width:objProperties.width+"px",height:objProperties.height+"px"});if(h<this.options.eyeRadius)this.fireEvent("onEyeOver",obj,20);else this.fireEvent("onEyeOut",obj,20);if(h<this.options.pupilRadius){this.captions[i].setOpacity(1);this.fireEvent("onPupilOver",obj,20);}else{this.captions[i].setOpacity(0);this.fireEvent("onPupilOut",obj,20);}}.bind(this));},_getDistance:function(event,obj){var objProperties=obj.getCoordinates();var curProperties={x:event.page.x,y:event.page.y};objProperties.center={x:(objProperties.left+(objProperties.width/2)),y:(objProperties.top+(objProperties.height/2))};if(this.options.useAxis.length>1){switch(this.options.norm.toUpperCase()){case"L1":return Math.abs(curProperties.x-objProperties.center.x)+Math.abs(curProperties.y-objProperties.center.y);break;case"L2":return Math.round(Math.sqrt(Math.pow((curProperties.x-objProperties.center.x),2)+Math.pow((curProperties.y-objProperties.center.y),2)));break;};}else{return Math.abs(curProperties[this.options.useAxis]-objProperties.center[this.options.useAxis]);}},_getDimensions:function(h){if(h<this.options.eyeRadius){var width=(((this.options.dimThumb.width-this.options.dimFocus.width)/this.options.eyeRadius)*h)+this.options.dimFocus.width;var height=(((this.options.dimThumb.height-this.options.dimFocus.height)/this.options.eyeRadius)*h)+this.options.dimFocus.height;}else{var width=this.options.dimThumb.width;var height=this.options.dimThumb.height;}
return{width:width,height:height};}});iSEObutton.implement(new Events);iSEObutton.implement(new Options);