This diploma thesis analyses the specialized internet shop (e-shop), it's technical and business preparation, it's market entrance, first marketing activities, corrections and valuates it's economical situation.

This thesis deals with security, privacy, and anonymity on the internet. In this thesis are described tracking mechanisms and approaches that are being used to collect and send away users' personal information. Information that leaks using this tracking approaches can be used to identify user, to monitor and analyze his behavior on specific web pages and several leaked pieces of information can be misused (for example the leaked credit card number or password). In this thesis is described and tested the functionality and reliability of several current web add-ons providing the protection on the internet. New security increasing web add-on has been designed and developed to demonstrate a technique, that redefines and wraps the original JavaScript implementation of several functions and objects, the wrapping is executed before the visited web page starts processing the source code. Running the wrapping code at this time will ensure, that no other code in loaded web page will ever have access to the original implementation. This add-on is also well-tested. The final thesis' stage provides a great amount of possibilities to improve implemented add-on.

The dissertation deals with formalization a value orientation in pubescence in a relationship with internet use. The general angle of the dissertation is theoretic, the most methods that are used are descriptive methods and partly relational methods. The general structure of the dissertation is divided to four basic chapters. First chapter defines terms of attitudes and values from the philosophic, psychologic, sociologic and pedagogic perspective. The second chapter deals with a pubescence phase, its difficulties from the viewpoint of formalization of a value orientation. The third chapter is focused on internet and there are generally mentioned eventual effects resulting from its use. The fourth chapter finally summarises the foregoing chapters with the accent on formalizing a value orientation in pubescence in a relationship with internet use.

This Master thesis deals with the subject of state censorship of the Internet. The objective of the thesis is to map the techniques of state censorship of the Internet and the methods of circumvention. In the first part, the author introduces organisations and projects that investigate state Internet censorship in the world. Subsequently, the author depicts inspection methods of communication and the Internet filtering techniques. The following part focuses on the principles of circumventing Internet censorship. It also describes various techniques of the circumvention of the censorship. Another objective of the thesis is to test the practical methods of circumventing Internet censorship. As a destination for the measurement the author has chosen PRC where he scrutinised the state of Internet censorship and tested the success rate of circumvention methods. The presented outputs serve as an overview of the techniques of the state censorship of the Internet and the methods of its circumvention, and can be used as a foundation for further work.

This diploma thesis analyzes distribution channels of flight tickets on the Internet and aspects related to this type of sale. Individual chapters deal with the historical background, role of e-commerce in the civil aviation industry, individual players engaged in the distribution of flight tickets on the Internet and the position of the online distribution. This thesis also analyzes modern services that are connected to the distribution of flight tickets, e.g. e-ticketing and new forms of check-in.

The purpose of this thesis is to functionally expand the browser extension prototype created by Ing. Zbyněk Červinka, focused on the privacy protection of the user during his web browsing. Acquired facts about the function of existing tools for safety and privacy protection, such as technology JavaScript Zero, were used in the solution, which was created by employing a technique of encapsulating JavaScript objects and functions. This allows greater anonymity and safety for users during web browsing. The extension was tested and published under the title JavaScript Restrictor. The main benefit of this thesis is the increase of safety from attacks and increase of anonymity linked to the user data harvesting.

This thesis is focused on promoting the company Winery Josef Uher through Internet market. This is especially the design of appropriate ways of selling products of analyzed company using the internet and several options of internet promotion thanks to which the Josef Uher Winery will atrract new customers. The thesis contains theoretical knowledge of solved problems, further analysis focused on exploring the external and internal environment of the company, e-commerce and questionnaire investigation. The main part of this work depicts some ideas which should help the companies to attract new customers in the future, ensure better marketing of products and thus achieving greater profit.

BACKGROUND: The Problematic Internet use among adolescents is an increasingly discussed topic in connection with the continuous development of technologies. If it enters to the period of adolescent age factor of hematoncological disease, which requires long term tratment and isolation for a long time, the risk of growth of non-substance addictive behavior is likely to increase in this context. AIM: The main aim of the research was to find out the prevalence of Problematic Internet use in a group of adolescent patients after the intensive cancer treatment within the Department of Pediatric Hematology and Oncology of the University Hospital in Motol (KDHO). Another aim was to map specific characteristics that may be a predictor of later risk behavior and to find out possible correlation between these characteristics and problematic Internet use. METHODS: The concept of the research is based on quantitative methods of epidemiological cases and controls study. The data were collected through a screening questionnaire survey using a compilation of a short version of the Problematic Internet Use Questionnaire (PIU Q- SF 6) and Substance Use Risk Profile (SURPS) personality traits). Data were evaluated using descriptive statistics and the χ2 test. The p value p < 0,05 was determined as statistically...

THE INTERNET AND THE PROTECTION OF INTELLECTUAL PROPERTY-THE SCOPE OF LIABILITY OF INDIVIDUAL PERSONS WITHIN THE LAW OF THE EUROPEAN COMUNITIES AND THE USA Internet service providers' (or online service providers') liability for the copyright infringement incurred by an individual user of the Internet is not an absolutely new issue anymore. Not later than in 1998, the U.S. legislators enact the Digital Millennium Copyright Act (DMCA). This amendment to the US copyright law introduces the concept of ,,safe harbor" that limits the online service providers' liability when they act only as a passive conduit and at the same time they do not have actual knowledge of the copyright infringement incurred through their systems. In the absence of such actual knowledge, they may not be aware of facts or circumstances from which infringing activity is apparent. Furthermore, an Online service provider is obliged upon obtaining such knowledge or awareness (e.g. by obtaining a notice), to act expeditiously to remove, or disable access to, the material. This requirement is well known as a ,,take down notice procedure". As a response to the U.S. regulation, in 2000, the European Commission and the European parliament pass the ,,so called" E-commerce directive regulating the liability of above mentioned subjects in...

in English Use of trademarks as keywords for searching the Internet The purpose of this thesis is a comprehensive analysis of the use of trademarks as Internet search engine keywords to trigger advertisements that are displayed on search result pages. The main part of the thesis is devoted to legislation and case law in the US. However, for the comparative purposes, I also address developments concerning keyword advertising in the EU. I chose this topic because it combines traditional elements of law with modern technologies. Moreover, despite its significant economic and legal impacts, I consider this topic as insufficiently researched in the Czech Republic. This thesis consists of six chapters. The first chapter is devoted to a general introduction to trademarks, including the history of trademarks, current legal definitions of trademarks as well as legal frameworks of trademarks law. This chapter also focuses on an element of trademark distinctiveness and analyses functions of trademarks. Last but not least, it also describes basic classifications of trademarks and provides their examples. The second chapter introduces the issue of keyword advertising. It focuses on a description of the operation of Internet search engines, keyword advertising programs and AdWords' current policy. The third...