function textSmaller() {
	var size = getBodySize();
	var newSize = size.substr(0, size.length-2);
	var newUnit = size.substr(size.length-2, size.length);
	newSize--;newSize--;
	document.getElementsByTagName("body")[0].style.fontSize = newSize + newUnit;
	setFontSize(newSize);
}

function textLarger() {
	var size = getBodySize();
	var newSize = size.substr(0, size.length-2);
	var newUnit = size.substr(size.length-2, size.length);
	newSize++;newSize++;
	document.getElementsByTagName("body")[0].style.fontSize = newSize + newUnit;
	setFontSize(newSize);
}

function getBodySize() {
	var element = document.getElementsByTagName("body")[0];
	if (window.getComputedStyle) {
		var styledeclaration = window.getComputedStyle(element, null);
		var size = styledeclaration.getPropertyValue("font-size");
	}
	else if (element.currentStyle) var size = element.currentStyle.fontSize; 
	else if (document.all) var size = document.all.tags("body")[0].style.fontSize;
	return size;
}

function reloadBodySize() {
	var fontSize = readCookie('WebVariantsFontSize');
	if (fontSize) {
		document.getElementsByTagName("body")[0].style.fontSize = fontSize + 'px';
	}
}

function setFontSize(fontSize) {
	setCookie('WebVariantsFontSize', fontSize, 14);
}