//http://www.white-hat-web-design.co.uk/articles/js-fontsize.php
//http://nicusor.com/programming-stuff/javascript-text-resize-with-cookie/

var textsize = 12;
function changetextsize(up){
	if(up){
		textsize = parseFloat(textsize)+2;
	}else{
		textsize =parseFloat(textsize)-2;
	}
}

function fsize(size,unit,id){
	var p = document.getElementsByTagName('p');
   	for(i = 0;i < p.length; i++) {
		p[i].style.fontSize = size + unit;
	}
	var p = document.getElementsByTagName('ol');
   	for(i = 0;i < p.length; i++) {
		p[i].style.fontSize = size + unit;
	}
	var p = document.getElementsByTagName('td');
    	for (i = 0; i < p.length; i++) {
        	p[i].style.fontSize = size + unit;
    	}
	var p = document.getElementsByTagName('ul');
	for (i=0; i < p.length; i++)
	{
		if(p[i].className == 'CanGrow')
		{
			var c = p[i].getElementsByTagName('*');
			for (n=0; n < c.length; n++)
			{
				c[n].style.fontSize = size + unit;
			}
		}
	}
	createCookie("textsizestyle", textsize, 365);
}

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;
}