try {
	if (/MSIE 6/.test(navigator.userAgent)) {
		var h4 = document.getElementById("site-nav").getElementsByTagName("h4");
		for ( var i = 0; i < h4.length; i++) {
			h4[i].parentNode.onmouseover = function() {
				this.className += " hover"
			}
			h4[i].parentNode.onmouseout = function() {
				this.className = this.className.replace(/\bhover\b/, '')
			}
		}
		try {
			document.execCommand("BackgroundImageCache", false, true)
		} catch (e) {
		}
	}
	document.documentElement.style.visibility = "visible";
} catch (e) {
}

function changeArticleFont(size)
{
	var articleBody = document.getElementById("text");
	switch (size)
	{
		case 's':
			articleBody.style.fontSize = '87.5%';
			break;
		case 'm':
			articleBody.style.fontSize = '100%';
			break;
		case 'b':
			articleBody.style.fontSize = '125%';
			break;
		default:
			articleBody.style.fontSize = '100%';
			break;
	}
}