function setCookie(cookieName, cookieValue, path, expires, domain, secure) {
 document.cookie =
	escape(cookieName) + '=' + escape(cookieValue)
	+ (path ? '; path=' + path : '/')
	+ (domain ? '; domain=' + domain : '')
	+ (secure ? '; secure' : '');
}


function getCookie(cookieName) {
	var cookieValue = '';
	var posName = document.cookie.indexOf(escape(cookieName) + '=');
	if (posName != -1) {
		var posValue = posName + (escape(cookieName) + '=').length;
		var endPos = document.cookie.indexOf(';', posValue);
		if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
		else cookieValue = unescape(document.cookie.substring(posValue));
	}
	return cookieValue;
}

function setStyle(stltag) {
	var cookie = getCookie("template");
	if(cookie == "") {
		//var rndValue = Math.random();
		var rndValue = 0.80;

        if(rndValue < 0.33) {
			cookie = "/style.css";
		}
		else if(rndValue < 0.66) {
			cookie = "/style2.css";
			stltag.href = cookie;
		}
		else {
			cookie = "/style3.css";
			stltag.href = cookie;
		}
		setCookie("template",cookie,"/");
	}
	var curr = stltag.href;
	var pos = curr.lastIndexOf("/");
	curr = pos > -1 ? curr.substring(pos+1) : curr;
	curr = "/" + curr;

	if(cookie.indexOf("/style.css") == -1)
		stltag.href = cookie;
}

function setDCStyle(stltag, dcbg) {
	var cookie = stltag.href;
	var dcbgimg;
	var pos = cookie.lastIndexOf("/");
	cookie = pos > -1 ? cookie.substring(pos+1) : cookie;
	cookie = "/" + cookie;
	if(cookie == "/style.css") {
		dcbgimg = "/img/1.png";
	}
	else if(cookie == "/style2.css") {
		dcbgimg = "/img/3.png";
		dcbg.src = dcbgimg; 
	}
	else if(cookie == "/style3.css") {
		dcbgimg = "/img/1.gif";
//		dcbg.src = dcbgimg; 
	}

}

function setStyleEx(stltag, dcbg, num) {
	var cookie = stltag.href;
	var result = 0;
	var pos = cookie.lastIndexOf("/");
	cookie = pos > -1 ? cookie.substring(pos+1) : cookie;
	cookie = "/" + cookie;
	if(cookie == "/style.css") {
		if(num == 1) result = 3;
		else result = 2;
	}
	else if(cookie == "/style2.css") {
		if(num == 1) result = 3;
		else result = 1;
	}
	else {
		if(num == 1) result = 2;
		else result = 1;
	}
	
	var stlHref;
	var dcHref;
	switch(result) {
		case 1:
			stlHref = "/style.css";
			dcHref = "/img/1.png";
		break;
		case 2:
			stlHref = "/style2.css";
			dcHref = "/img/3.png";
		break;
		case 3:
			stlHref = "/style3.css";
			dcHref = "/img/1.png";
		break;
	}
	var cmd = "document.getElementById('stylewater').href = '" + stlHref + "';" +
	" document.getElementById('dcbg').src = '" + dcHref + "';";
	setTimeout(cmd,1);

	setCookie("template",stlHref,"/");
}