function ATnSHomePage(webpage)

// This function tests to see if the page being loaded is the top window. 
// If so, it asks viewer if they want to open the AT&Sinc home page.
// if they respond with at yes, it causes the home page to open in a new window

	{
		if (parent.frames.length != 0) return;
			else if (confirm("You have entered the Applied Technology and Science, Inc. webpage for " + 
					webpage + 
					"." +
					"\n\n" +
					"To see all our information, click on OK to go to our home page, www.appliedtechnsci.com.")
				) open("index.html");	

		return;
	}
