/* JavaScript Document */

function toStyle(layer)
{
	if(document.getElementById)
	{
		// Firefox and Internet Explorer 5+
		return document.getElementById(layer).style;
	}
	else if(document.all)
	{
		// Internet Explorer 4
		return document.all[layer].style;
	}
	else if(document.layers)
	{
		// Navigator 4
		return document.layers[layer].style;
	}
}

function goDynamic()
{
	toStyle("page").width = '100%';
	createCookie('pagewidth', 'dynamic', 7)
}

function goStatic()
{
	toStyle("page").width = '980px';
	createCookie('pagewidth', 'static', 7)
}

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;
}