function InitDeviceScan()
   {
        //Save these properties to speed processing
        global $isWebkit, $isIphone, $isAndroid, $isAndroidPhone;
        $this->isWebkit = $this->DetectWebkit();
        $this->isIphone = $this->DetectIphone();
        $this->isAndroid = $this->DetectAndroid();
        $this->isAndroidPhone = $this->DetectAndroidPhone();
        
        //These tiers are the most useful for web development
        global $isMobilePhone, $isTierTablet, $isTierIphone;
        $this->isMobilePhone = $this->DetectMobileQuick();
        $this->isTierIphone = $this->DetectTierIphone();
        $this->isTierTablet = $this->DetectTierTablet();
        
        //Optional: Comment these out if you NEVER use them.
        global $isTierRichCss, $isTierGenericMobile;
        $this->isTierRichCss = $this->DetectTierRichCss();
        $this->isTierGenericMobile = $this->DetectTierOtherPhones();
        
        $this->initCompleted = $this->true;
   }