function createCookie(name, value) {

var days;
days = 14;
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();


    if (readCookie(name) == null || readCookie(name) == "undefined" || readCookie(name) == "undefined," || readCookie(name) == "") {
        document.cookie = name + "=" + value + expires + ";path=/"; 
    }
    else {

        var cookie = readCookie(name);
        var occur = cookie.match(value.toString());
        
        if (occur == null)
        {
            document.cookie = name + "=" + readCookie(name) + "," + value + ";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;
}


function delCookie(name, value) {
    var str = readCookie(name);
    var str2 = str.replace(","+value.toString(), "");
    var str2 = str2.replace(value.toString(), "");

    str2 = str2.replace(',,', ',');
    //
    var comma = str2.substring(0, 1);
    
    if (comma == ",") {
        str2 = str2.substring(1);
    }

    document.cookie = "bosVL=" + str2 + ";path=/";
}

function clearCookie() {
    document.cookie = "bosVL=";
}