var biggerText={

	onload: function()
	{
		if (document.getElementById)
		{
			var cookie=biggerText.readCookie("textsize");
			var smallTextButton=document.getElementById("bigText");
			var biggerTextButton=document.getElementById("biggerText");
			if (smallTextButton && biggerTextButton)
			{
				if (cookie=="big")
				{
					biggerText.setTextSize("big");
				}
				else
				{
					biggerText.setTextSize("small");
				}
				smallTextButton.onclick=function(){biggerText.onclick(this); return false;};
				biggerTextButton.onclick=function(){biggerText.onclick(this); return false;};
			}
		}
	},
	
	setTextSize: function(size)
	{
		var contentDiv=document.getElementById("centercontent");
		var smallTextButton=document.getElementById("bigText");
		var biggerTextButton=document.getElementById("biggerText");

		if (size=="big")
		{
			if (contentDiv.className.indexOf("biggerText")===-1)
			{
				contentDiv.className+=" biggerText";
				smallTextButton.className="";
				biggerTextButton.className="active";

			}
		}
		else
		{
			contentDiv.className=contentDiv.className.replace(/\s*biggerText/g,"");
			smallTextButton.className="active";
			biggerTextButton.className="";

		}
		
	},
	
	readCookie: function(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;
	},
	
	createCookie: function(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=/";
	},
	
	onclick: function(src)
	{
		var target=src;
		if (target.id=="biggerText")
		{
			biggerText.createCookie("textsize","big",365);
			biggerText.setTextSize("big");
		}
		else
		{
			biggerText.createCookie("textsize","small",365);
			biggerText.setTextSize("small");
		}
	}

};

window.onload=function(){biggerText.onload()};