function setCookie(c_name,value,expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name) {
	if (document.cookie.length>0)
		{
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1)
			{ 
			c_start=c_start + c_name.length+1; 
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
			} 
		}
	return "";
}

function textSizer(ts) {
	if (!document.getElementById) return
/*	
*/
	if (ts==1) {
		if (document.getElementById('topNav')) document.getElementById('topNav').style.fontSize = '1.1em';
		if (document.getElementById('mainContent')) document.getElementById('mainContent').style.fontSize = '1.0em';
		if (document.getElementById('subnavElement')) document.getElementById('subnavElement').style.fontSize = '1.0em';
	}
	else if (ts==2) {
		if (document.getElementById('topNav')) document.getElementById('topNav').style.fontSize = '1.2em';
		if (document.getElementById('mainContent')) document.getElementById('mainContent').style.fontSize = '1.1em';
		if (document.getElementById('subnavElement')) document.getElementById('subnavElement').style.fontSize = '1.1em';
	}
	else if (ts==3) {
		if (document.getElementById('topNav')) document.getElementById('topNav').style.fontSize = '1.3em';
		if (document.getElementById('mainContent')) document.getElementById('mainContent').style.fontSize = '1.2em';
		if (document.getElementById('subnavElement')) document.getElementById('subnavElement').style.fontSize = '1.2em';
	}
	else {
		return
	}
	setCookie('textsizer',ts,'30');
}

function checkSizer() {
	ts = getCookie('textsizer');
	if (ts!=null && ts!="") {
		textSizer(ts);
	}
}