22 lines
1.4 KiB
JavaScript
22 lines
1.4 KiB
JavaScript
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var _gaq=_gaq||[]
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Split=(function(){var config={},defaults={cookieName:'abTest',cookieAge:30,customVariableName:'AB Test alternative',customVariableIndex:1}
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function createCookie(name,value,days){if(days){var date=new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires="; expires="+date.toGMTString();}
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else var expires="";document.cookie=name+"="+value+expires+"; path=/";}
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function readCookie(name){var nameEQ=name+"=";var ca=document.cookie.split(';');for(var i=0;i<ca.length;i++){var c=ca[i];while(c.charAt(0)==' ')c=c.substring(1,c.length);if(c.indexOf(nameEQ)==0)return c.substring(nameEQ.length,c.length);}
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return null;}
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function eraseCookie(name){createCookie(name,"",-1);}
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function getKeys(obj)
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{var keys=[];for(var i in obj)if(obj.hasOwnProperty(i))
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{keys.push(i);}
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return keys;}
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function init(){alternatives=arguments[0]
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options=arguments[1]
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keys=getKeys(alternatives);config={}
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if(options!=undefined){for(k in defaults){config[k]=(options[k]!=undefined)?options[k]:defaults[k];}}else{config=defaults;}
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var alternative=readCookie(config.cookieName)
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if(alternative){}else{alternative=keys[Math.floor(Math.random()*keys.length)]
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createCookie(config.cookieName,alternative,config.cookieAge)}
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_gaq.push(['_setCustomVar',config.customVariableIndex,config.customVariableName,alternative,1]);alternatives[alternative]();}
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return{setup:function(args,options){init(args,options)}}})();
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