var tsx=0;

function tsinit(x)
{
	tsx=x;
	s = document.cookie + ";";
	i = s.indexOf("P14TS");
	if (i < 0) return;
	j = s.indexOf(";", i);
	if (j < 0) return;
	n = parseFloat(s.substr(i+6, j-i-6));
	if (n < 2 || n > 4) return;
	tschange(n);
}

function tschange(n)
{

	e = document.getElementById("content");
	if (e == null) return;
	document.cookie = "P14TS=" + n + "; expires=Sun, 01 Dec 2030 23:59:59 GMT; path=/; domain=pms.ac.uk;";
	if (document.getElementById("ts1"))
	{
		if (n == 1) {
			document.getElementById("ts1").style.borderColor='#547FBD'; 
			
		} else { 
			document.getElementById("ts1").style.borderColor='#CFE7FF ';
		}
		if (n == 2) {
			document.getElementById("ts2").style.borderColor='#547FBD'; 
			
		} else {
			document.getElementById("ts2").style.borderColor='#CFE7FF ';
		}
		if (n == 3) {
			document.getElementById("ts3").style.borderColor='#547FBD'; 
		} else {
			document.getElementById("ts3").style.borderColor='#CFE7FF ';
		}
		if (n == 4) {
			document.getElementById("ts4").style.borderColor='#547FBD'; 
		} else {
			document.getElementById("ts4").style.borderColor='#CFE7FF ';
		}
	}
		m = 0.9 + n * 0.1;
		e.style.fontSize = m + "em";
		document.getElementById("sidemenu").style.fontSize = m + "em";
		/*contOff = document.getElementById("contents").offsetHeight + "px";
		document.getElementById("contents").style.height= contOff ;*/
}