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;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function generateCSS() {
	document.write("<style type='text/css'> body, table, tr, td { font-size: "+readCookie("size")+"px; } </style>")
}

function textResize(size) {
	var sP = document.getElementsByTagName("td");
	
	if(size == "bigger")
	{
		var newSize = parseInt(readCookie("size")) + 2;
	}
	else if(size == "smaller")
	{
		var newSize = parseInt(readCookie("size")) - 2;
	}
	else
	{
		var newSize = 12;
	}
	
	for(i = 0; i < sP.length; i++)
	{
		sP[i].style.fontSize = newSize+"px";
	}
	
	createCookie("size", newSize, 1);
}