var curFontSize = 0.7; 	
var fontModifier = 0.3; 	

function fontSize(act) {
    if (document.getElementById) {
        storyBody = document.getElementById("text-big");
		storyComments = document.getElementById("story-comments");
        if (act === 1) {
            curFontSize += fontModifier;
            curFontSize = Math.min(curFontSize, 1.2);
        } else if (act === 0) {
            curFontSize -= fontModifier;
            curFontSize = Math.max(curFontSize, 0.7);
        }
        storyBody.style.fontSize = curFontSize + "em";
		
		if(storyComments !== null) {
		    for (v = 0; v < storyComments.getElementsByTagName("blockquote").length; v++) {
		       storyComments.getElementsByTagName("blockquote")[v].style.fontSize = curFontSize + "em";
		    }
		}
}
}