WRITERS OF pop-up ad code are getting more effective at stopping the blockers.
According to news.com, Google's tool bar, which was confidently touted as a firewall against pop-ups has been tunnelled under by the ad companies. It had been thought that Pop-ups would decline as more of the population used the free technology designed to stop them. Windows service pack three is expected to include a pop-up blocker for Vole's Internet Explorer Web browser.
But the ad companies have simply by-passed the blocks by changing the code they use to open windows. Blocking software usually detects an HTML command known as "openwin" for opening a new window. However, a new breed of pop-ups avoid that command. Some advertisers are sending pop-ups through a "user initiated command" triggered when people "mouse over" an object on the page. Another technique uses JavaScript commands, and gets around pop-up blockers that don't block user initiated commands like Google and Yahoo.
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News source: The Inq
