var ANDetect=navigator.userAgent.toLowerCase();var anOS,anBrowser,anVersion,anTotal,anThestring;function anGetBrowserInfo(){if(anCheckIt('konqueror')){anBrowser="Konqueror";anOS="Linux";}
else if(anCheckIt('safari'))anBrowser="Safari"
else if(anCheckIt('omniweb'))anBrowser="OmniWeb"
else if(anCheckIt('opera'))anBrowser="Opera"
else if(anCheckIt('webtv'))anBrowser="WebTV";else if(anCheckIt('icab'))anBrowser="iCab"
else if(anCheckIt('msie'))anBrowser="Internet Explorer"
else if(!anCheckIt('compatible')){anBrowser="Netscape Navigator"
anVersion=ANDetect.charAt(8);}
else anBrowser="An unknown browser";if(!anVersion)anVersion=ANDetect.charAt(place+anThestring.length);if(!anOS){if(anCheckIt('linux'))anOS="Linux";else if(anCheckIt('x11'))anOS="Unix";else if(anCheckIt('mac'))anOS="Mac"
else if(anCheckIt('win'))anOS="Windows"
else anOS="an unknown operating system";}}
function anCheckIt(string){place=ANDetect.indexOf(string)+1;anThestring=string;return place;}
Event.observe(window,'load',anGetBrowserInfo,false);var Advancednewsletter=Class.create();Advancednewsletter.prototype={yPos:0,xPos:0,isLoaded:false,initialize:function(ctrl,url){if(url){this.content=url;}else{this.content=ctrl.href;}
ctrl.observe('click',function(event){this.activate();Event.stop(event);}.bind(this));$('advancednewsletter').hide().observe('click',(function(event){if(event.element().id=='advancednewsletter-cancel')this.deactivate();}).bind(this));},activate:function(){if(anBrowser=='Internet Explorer'){this.getScroll();this.prepareIE('100%','hidden');this.setScroll(0,0);this.hideSelects('hidden');}
this.displayProductupdates("block");},prepareIE:function(height,overflow){bod=document.getElementsByTagName('body')[0];bod.style.height=height;bod.style.overflow=overflow;htm=document.getElementsByTagName('html')[0];htm.style.height=height;htm.style.overflow=overflow;},hideSelects:function(visibility){selects=document.getElementsByTagName('select');for(i=0;i<selects.length;i++){selects[i].style.visibility=visibility;}},getScroll:function(){if(self.pageYOffset){this.yPos=self.pageYOffset;}else if(document.documentElement&&document.documentElement.scrollTop){this.yPos=document.documentElement.scrollTop;}else if(document.body){this.yPos=document.body.scrollTop;}},setScroll:function(x,y){window.scrollTo(x,y);},displayProductupdates:function(display){$('advancednewsletter-overlay').style.display=display;$('advancednewsletter').style.display=display;if(display!='none')this.loadInfo();},loadInfo:function(){$('advancednewsletter').className="loading";var myAjax=new Ajax.Request(this.content,{method:'post',parameters:"",onComplete:this.processInfo.bindAsEventListener(this)});},processInfo:function(response){$('anContent').update(response.responseText);$('advancednewsletter').className="done";this.isLoaded=true;},deactivate:function(){if(anBrowser=="Internet Explorer"){this.setScroll(0,this.yPos);this.prepareIE("auto","auto");this.hideSelects("visible");}
this.displayProductupdates("none");}}
function addAdvancednewsletterMarkup(){bod=document.getElementsByTagName('body')[0];overlay=document.createElement('div');overlay.id='advancednewsletter-overlay';an=document.createElement('div');an.id='advancednewsletter';an.className='loading';an.innerHTML='<div id="anLoadMessage">'+'<p>Loading</p>'+'</div>';bod.appendChild(overlay);bod.appendChild(an);}
var AdvancednewsletterForm=Class.create();AdvancednewsletterForm.prototype={initialize:function(form){this.form=form;if($(this.form)){this.sendUrl=$(this.form).action;$(this.form).observe('submit',function(event){this.send();Event.stop(event);}.bind(this));}
this.loadWaiting=false;this.validator=new Validation(this.form);this.onSuccess=this.success.bindAsEventListener(this);this.onComplete=this.resetLoadWaiting.bindAsEventListener(this);this.onFailure=this.resetLoadWaiting.bindAsEventListener(this);var container=$('subscribe-login-container');if(container&&container.style.display=='none'){this._disableEnableAll(container,true);}},send:function(){if(!this.validator.validate()){return false;}
this.setLoadWaiting(true);var request=new Ajax.Request(this.sendUrl,{method:'post',onComplete:this.onComplete,onSuccess:this.onSuccess,onFailure:this.onFailure,parameters:Form.serialize(this.form)});},success:function(transport){this.resetLoadWaiting();if(transport&&transport.responseText){try{response=eval('('+transport.responseText+')');}
catch(e){response={};}}
if(response.error){if(response.error_type=='no_login'){var container=$('subscribe-login-container');if(container){container.show();this._disableEnableAll(container,false);}}
if((typeof response.message)=='string'){alert(response.message);}else{alert(response.message.join("\n"));}
return false;}
$('anContent').update(transport.responseText);},_disableEnableAll:function(element,isDisabled){var descendants=element.descendants();for(var k in descendants){descendants[k].disabled=isDisabled;}
element.disabled=isDisabled;},setLoadWaiting:function(isDisabled){var container=$('subscribe-button-container');if(isDisabled){container.setStyle({opacity:.5});this._disableEnableAll(container,true);Element.show('subscribe-please-wait');this.loadWaiting=true;}else{container.setStyle({opacity:1});this._disableEnableAll(container,false);Element.hide('subscribe-please-wait');this.loadWaiting=false;}},resetLoadWaiting:function(transport){this.setLoadWaiting(false);}}