function setSizeCSS() {
	var elem = document.getElementById("sizeCSS");
	var cookieContent = searchCookie("sizeCSS");
	if(!cookieContent) {
		elem.href = "./styles/ango/theme/normaal.css";
	} else {
		elem.href = "./styles/ango/theme/"+cookieContent;
	}
}

function setColorCSS() {
	var elem = document.getElementById("colorCSS");
	var cookieContent = searchCookie("colorCSS");
	if(!cookieContent) {
		elem.href = "./styles/ango/theme/default.css";
	} else {
		elem.href = "./styles/ango/theme/"+cookieContent;
	}
}

function cssLoad() {
	setSizeCSS();
	setColorCSS();
}

function searchCookie(naam) {
	var cookie = document.cookie;
	var z_str = naam + "=";
	var start = cookie.indexOf(z_str, 0);
	if(start == -1) {
		return false;
	} else {
		start += z_str.length;
		var end = cookie.indexOf(";", start);
		if(end == -1) end = cookie.length;
		return unescape(cookie.substring(start, end));
	}
}

function setCookie(name, value, days) {
	var expire;
	if(days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		expire = "; expires="+date.toGMTString();
	} else {
		expire = "";
	}
	
	document.cookie = name+"="+value+expire+"; path=/";
}
			

function switchCSS(id, value) {
	if(id == "sizeCSS") {
		setCookie("sizeCSS", value, 365);
		setSizeCSS();
	} else {
		var cookieContent = searchCookie("colorCSS");
		if(!cookieContent || cookieContent == "default.css") {
			//zw
			setCookie("colorCSS", "zw.css", 365);	
			document.getElementById("transpix").alt = "zet op kleur";
			document.getElementById("colorLink").title = "zet op kleur";
		} else {
			//rgb
			setCookie("colorCSS", "default.css", 365);
			document.getElementById("transpix").alt = "zet op zwart-wit";
			document.getElementById("colorLink").title = "zet op zwart-wit";
		}
		setColorCSS();			
	}
}

function window_load() {
	cssLoad();
}


window.onload = window_load;