// search font's in articleBodyTable that have class articleBody and for each change font size
function changeArticleBodyFontSize(multiplier) {
	if (document.domain.substr(0,7) == "showbiz") {
		var objName = 'article';
	} else {	
		var objName = 'articleBodyTable';
	}
	var elem = document.getElementById(objName).getElementsByTagName('font');
	for (var i = 0; i < elem.length; i++) {
		if (elem[i].className == 'articleBody') {
			if (multiplier == 0) {
				// reset
				elem[i].style.fontSize = "10pt";
				elem[i].style.lineHeight = "12pt";
				continue;
			}
			if (elem[i].style.fontSize == "" || elem[i].lineHeight == "") {
				// if no value found set default value
				elem[i].style.fontSize = "10pt";
				elem[i].style.lineHeight = "12pt";
			}
			if (parseInt(elem[i].style.fontSize) < 8 && multiplier == -1) {
				return false;
			}
			if (parseInt(elem[i].style.fontSize) > 20 && multiplier == 1) {
				return false;
			}
			elem[i].style.fontSize = parseFloat(elem[i].style.fontSize) + (2*multiplier * 0.8) + "pt";
			elem[i].style.lineHeight = parseFloat(elem[i].style.lineHeight) + (2*multiplier * 0.8) + "pt";
		}
	}
	return false;
}