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=; Domain=.zhausphoto.com";
}

function changeColor()
{
	var body = document.getElementById('body');
	if (body)
	{
		var color		= document.getElementById('body').className;
		var new_color	= (color == 'white') ? 'black' : 'white';
		document.getElementById('body').className = new_color;
		createCookie('color', new_color, 365);
	}
}