var name = "";
name = getValue("book");

if (name == "undefined" || name == -1 || name == "")
	{
	document.write('<br><br><font face="arial"><center><b><font size="+3">ERROR</font><br>Try searching for a different Breakthrough Gaming product to buy!</b></center></font><br>');
	}
else
	{
	showBookDetailPage(name);
	}