// JavaScript Document

function set_cookie(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 get_cookie(name) {
	var name_eq = 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(name_eq) == 0) return c.substring(name_eq.length,c.length);
	}
	return null;
}

function txtresize () {
	if (get_cookie('txtresize') != null) {
		if (get_cookie('txtresize') == 1) {
			set_cookie('txtresize', 1.15, 3);
		} else if (get_cookie('txtresize') == 1.15) {
			set_cookie('txtresize', 1.30, 3);
		} else {
			set_cookie('txtresize', 1, 3);
		}
	} else {
		set_cookie('txtresize', 1.15, 3);
	}
	
	txtresizeset ();
}

function txtresizeset () {
	if (get_cookie("txtresize") != null) {
		//document.getElementById('content_global').style.cssText = 'font-size: ' + get_cookie('txtresize') + 'em;';
		document.getElementById('content_global').style.fontSize = get_cookie('txtresize') + 'em';
	}
}