// Typo3 - skynetFW - by DK & JvB - Kokot-vonBargen.de (GbR) - 07.11.2005 earth




function setActiveStyleSheet(title) {
	
	// Hier wird eine SelectBox auf den aktulellen wert gesetzt, wenn es das html-Object gibt
	if(document.getElementById("cType_cssSwitcher-selectBox")) {
		// in TypoScript wird style 1-9 definiert
		styleIndex = new Array();
		styleIndex["style1"] = 0;
		styleIndex["style2"] = 1;
		styleIndex["style3"] = 2;
		styleIndex["style4"] = 3;
		styleIndex["style5"] = 4;
		styleIndex["style6"] = 5;
		styleIndex["style7"] = 6;
		styleIndex["style8"] = 7;
		styleIndex["style9"] = 8;
		
		document.getElementById("cType_cssSwitcher-selectBox").selectedIndex = styleIndex[title];
	}
	
	// Hier wird dem aktuellen html-Object die CSS-Klasse "cssSwitcher-currentObj" gegeben, wenn es das html-Object gibt
	if(document.getElementById("cType_cssSwitcher-"+title)) {
		document.getElementById("cType_cssSwitcher-"+getActiveStyleSheet()).className = "cssSwitcher-normalObj";
		document.getElementById("cType_cssSwitcher-"+title).className = "cssSwitcher-currentObj";
	}
	
	
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}




function getActiveStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) {
			return a.getAttribute("title");
		}
	}
	return null;
}




function getPreferredStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("rel").indexOf("alt") == -1
			&& a.getAttribute("title")
			) return a.getAttribute("title");
	}
	return null;
}




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 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";
}




window.onload = function(e) {
	var title = readCookie("style");
	//var cookie = readCookie("style");
	//var title = cookie ? cookie : getPreferredStyleSheet();
	if(title == "null")
		title = "style1";
	
	
	//muss einmal als erstes alles aufgerufen werden!
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
	setActiveStyleSheet(title);
}




window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}