//cookie functions
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

// script for resizing text

function increaseFontSize() {
	var p = document.body.style.fontSize;
	if(p) {
		var s = parseFloat(document.body.style.fontSize.replace("em",""));
	} else {
		var s = 0.90;
	}
	s += 0.10;
	document.body.style.fontSize = s+"em";
	createCookie('mstasfontsize',s,3000);
}
function decreaseFontSize() {
	var p = document.body.style.fontSize;
	if(p) {
		var s = parseFloat(document.body.style.fontSize.replace("em",""));
	} else {
		var s = 0.90;
	}
	s -= 0.10;
	document.body.style.fontSize = s+"em";
	createCookie('mstasfontsize',s,3000);
}
function resetFontSize() {
	var p = document.body.style.fontSize;
	var s = parseFloat(document.body.style.fontSize.replace("em",""));
	s = 0.90;
	document.body.style.fontSize = s+"em"
	createCookie('mstasfontsize',s,3000);
}