function changefont(x) {
	var ajax = new XMLHttpRequest();
	ajax.onreadystatechange = function() {
		if (ajax.readyState == 4 && ajax.status == 200) {
			return FALSE;
		}
	}
	ajax.open("POST", "ajax.php?action=setfont&size=" + x, true);
	ajax.send(null);
	
	if (x == "small") {
		document.getElementById('content').style.fontSize = "12px";
		document.getElementById('footer').style.fontSize = "9px";
		document.getElementById('navigation').style.fontSize = "14px";
		
		document.getElementById('changefontsize').innerHTML = 'Font Size: <a href="#" onfocus="if(this.blur)this.blur();" onclick="changefont(\'default\'); return false;"><img src="images/plus.png" width="14" height="14" alt="Increase Font Size" title="Increase Font Size"/></a>';
	} else if (x == "big") {
		document.getElementById('content').style.fontSize = "16px";
		document.getElementById('footer').style.fontSize = "13px";
		document.getElementById('navigation').style.fontSize = "18px";
		
		document.getElementById('changefontsize').innerHTML = 'Font Size: <a href="#" onfocus="if(this.blur)this.blur();" onclick="changefont(\'default\'); return false;"><img src="images/minus.png" width="14" height="14" alt="Increase Font Size" title="Decrease Font Size"/></a>';
	} else {
		document.getElementById('content').style.fontSize = "14px";
		document.getElementById('footer').style.fontSize = "11px";
		document.getElementById('navigation').style.fontSize = "16px";
		
		document.getElementById('changefontsize').innerHTML = 'Font Size: <a href="#" onfocus="if(this.blur)this.blur();" onclick="changefont(\'big\'); return false;"><img src="images/plus.png" width="14" height="14" alt="Increase Font Size" title="Increase Font Size"/></a> <a href="#" onfocus="if(this.blur)this.blur();" onclick="changefont(\'small\'); return false;"><img src="images/minus.png" width="14" height="14" alt="Increase Font Size" title="Decrease Font Size"/></a>';
	}
}
if (document.images) {
	img1 = new Image();
	img1.src = "http://www.scocode.com/images/0.png";
	img2 = new Image();
	img2.src = "http://www.scocode.com/images/1.png";
	img3 = new Image();
	img3.src = "http://www.scocode.com/images/2.png";
	img4 = new Image();
	img4.src = "http://www.scocode.com/images/3.png";
}