var fontIs = 100;

function fontSize(updown)
{
	var currsize = fontIs;
	if (updown == 1)
	{
		if (currsize < 200)
		{
			fontIs = currsize + 10;
			newsize = ""+fontIs+"%";
			$('storycontent').setStyle('font-size', newsize);
		}
	}
	else if (updown == 2)
	{
		if (currsize > 70)
		{
			fontIs = currsize - 10;
			newsize = ""+fontIs+"%";
			$('storycontent').setStyle('font-size', newsize);
		}
	}
}