rnd.today=new Date(); 
rnd.seed=rnd.today.getTime(); 
function rnd() { 
	rnd.seed = (rnd.seed*9301+49297) % 233280; 
	return rnd.seed/(233280.0); 
}; 

function rand(number) { 
	return Math.ceil(rnd()*number); 
}; 

var number = rand(3); 
if (number == 5) { 
	//金山词霸
	document.writeln("<iframe scrolling=\"no\" frameborder=\"0\" marginheight=\"0\" marginwidth=\"0\" width=\"280\" height=\"260\" src=\"http://u.sl.iciba.com/union/pw/style_674.html?uid=27487&sid=0&adid=674&adtype=11\" id=\"ksu_style_674\"></iframe>");
} 
else { 
	document.writeln("<script type=\"text/javascript\"><!--");
	document.writeln("google_ad_client = \"pub-3072133997285686\";");
	document.writeln("google_ad_width = 336;");
	document.writeln("google_ad_height = 280;");
	document.writeln("google_ad_format = \"336x280_as\";");
	document.writeln("google_ad_type = \"text_image\";");
	document.writeln("//2007-05-08: Web页面广告");
	document.writeln("google_ad_channel = \"0224634102\";");
	document.writeln("//-->");
	document.writeln("</script>");
	document.writeln("<script type=\"text/javascript\"");
	document.writeln("  src=\"http://pagead2.googlesyndication.com/pagead/show_ads.js\">");
	document.writeln("</script>");
};