function BHeight()
{
	var top, bot;
	top=126;
	bot=66;
	if (self.innerHeight) // all except Explorer
	{
		bh = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		bh = document.documentElement.clientHeight;
	}
	else if (document.body) // other Explorers
	{
		bh = document.body.clientHeight;
	}
	if(bh>=601)
		return (bh-(top+bot))+'';
	if(bh<=600)
		return 430+'';
}