// Preloads images used in navigation

navi1 = new Image();
navi2 = new Image();
navi3 = new Image();
navi4 = new Image();
navi5 = new Image();
navi6 = new Image();
navi7 = new Image();
navi8 = new Image();
navi1.src = "../_img/navi1_hover.gif";
navi2.src = "../_img/navi2_hover.gif";
navi3.src = "../_img/navi3_hover.gif";
navi4.src = "../_img/navi4_hover.gif";
navi5.src = "../_img/navi1sv_hover.gif";
navi6.src = "../_img/navi2sv_hover.gif";
navi7.src = "../_img/navi3sv_hover.gif";
navi8.src = "../_img/navi4sv_hover.gif";

/////////////////////////////////////////////////////////////////////////////////

function setCookie(name, value, path, expires, domain, secure) {
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}


/////////////////////////////////////////////////////////////////////////////////

function linkCss() {
	
	if(getCookie('textVersion') == 1)	{
		document.write('<link rel="stylesheet" href="/_css/light.css" type="text/css" />');
	}
	else {
		document.write('<link rel="stylesheet" href="/_css/main.css" type="text/css" />');
		if(isIndex) {
			document.write('<link rel="stylesheet" href="/_css/index.css" type="text/css" />');
		}		
		if(lang == 'sv') {
			document.write('<link rel="stylesheet" href="/_css/sv.css" type="text/css" />');
		}
	}
}


function textVersion(txt) {

	var myDate=new Date();
	myDate.setDate(myDate.getDate()+10000)

	if(txt == 1) {
		setCookie('textVersion', 1, '/', myDate);	
	}
	else {
		setCookie('textVersion', 0, '/', myDate);
	}	
	window.location.reload();	
}

linkCss();