divid = new Array("fontup1");

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 setCookie(cookieNaam, cookieWaarde, days)
{
	var today = new Date();
	var expires = 3600000*24*(parseInt(days));
	today.setTime( today.getTime() );
	
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = cookieNaam+"="+escape(cookieWaarde)+";expires="+expires_date.toGMTString()+";path=/";
}

function fontSizeUp()
{
	if (document.getElementById)
	{
		for (j=0;j<divid.length;j++)
		{
			var getElement = document.getElementById(divid[j]);
			var newFontSize = parseInt(20);
			
			getElement.style.fontSize = newFontSize+"px";			
		}		
		setCookie('fontSize', 20, 365);	
	}
}

function fontSizeDown()
{
	if (document.getElementById)
	{
		for (j=0;j<divid.length;j++)
		{
			var getElement = document.getElementById(divid[j]);
			getElement.style.fontSize = "11px";
		}		
		setCookie('fontSize', 11, -100);	
	}
}