function change_color(choice) {
	//alert(choice);	
	var colors = new Array();
	colors['red']		= '#cc0000';
	colors['blue']		= '#3d8feb';
	colors['green']		= '#00ff06';
	colors['orange']	= '#ffc400';
	colors['pink']		= '#ffb8ff';

	color 				= choice;

	set_cookie('color', color, 7);
	set_color(colors[color]);
	return false;
	
}

function set_color(color) {	
	var links = document.getElementsByTagName('div');
	var len = links.length;
	//alert(color);
	//alert(links[2].id);
	for(i=0; i<len; i++) {
		if(links[i].className == 'colorchange') {
			//alert('colorchange');
			links[i].style.backgroundColor = color;
		}
	}
	set_cookie(color);
	return false;

}

Event.observe(window, 'load', function() {
	//Event.observe('red', 'click', change_color);
	//Event.observe('green', 'click', change_color);
	//Event.observe('blue', 'click', change_color);
	//Event.observe('pink', 'click', change_color);
	//Event.observe('orange', 'click', change_color);
	if(document.cookie) {
		var c = get_cookie('color');
		change_color(c)
	}
});


function get_cookie(name) {
	//script from quirksmode.org
	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 set_cookie(name, value, days) {
	//script from quirksmode.org
	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=/";
}