var style_cookie_name = "viewstyle";
var style_cookie_duration = 30;

function switch_style(css_title) {
    var i, link_tag;
    for (i = 0, link_tag = document.getElementsByTagName("link");
    i < link_tag.length; i++) {
        if ((link_tag[i].rel.indexOf("stylesheet") != -1) &&
      link_tag[i].title) {
            link_tag[i].disabled = true;
            if (link_tag[i].title == css_title) {
                link_tag[i].disabled = false;
            }
        }
        set_cookie(style_cookie_name, css_title,
      style_cookie_duration);
    }
}
function set_style_from_cookie() {
    var css_title = get_cookie(style_cookie_name);
    if (css_title.length) {
        switch_style(css_title);
    }
}
function set_cookie(cookie_name, cookie_value,
    lifespan_in_days, valid_domain) {
    var domain_string = valid_domain ?
                       ("; domain=" + valid_domain) : '';
    document.cookie = cookie_name +
                       "=" + encodeURIComponent(cookie_value) +
                       "; max-age=" + 60 * 60 *
                       24 * lifespan_in_days +
                       "; path=/" + domain_string;
}
function get_cookie(cookie_name) {
    var cookie_string = document.cookie;
    if (cookie_string.length != 0) {
        var cookie_value = cookie_string.match(
                        '(^|;)[\s]*' +
                        cookie_name +
                        '=([^;]*)');
        return decodeURIComponent(cookie_value[2]);
    }
    return '';
}


function checkradio(elName, strMessage) {
    var obj
    var localError


    radioObj = eval("document.aspnetForm." + strSub + elName)

    localError = 1
    var radioLength = radioObj.length;
    if (radioLength == undefined)
        if (radioObj.checked)
            localError = 0
        else
            return "";
    for (var i = 0; i < radioLength; i++) {
        if (radioObj[i].checked) {
            localError = 0
        }
    }


    if (localError > 0) {
        document.getElementById(elName + 'BAD').style.display = '';
        document.getElementById(elName + 'OK').style.display = 'none';
        document.getElementById(elName + 'BAD').title = strMessage;

    } else {
        document.getElementById(elName + 'OK').style.display = '';
        document.getElementById(elName + 'BAD').style.display = 'none';

    }

    return localError;
}

function checkdd(elName, strMessage) {
    var obj
    var localError


    obj = eval("document.aspnetForm." + strSub + elName)
    localError = 0

    if (obj.selectedIndex==0) {
        localError = 1
    }

    if (localError > 0) {
        document.getElementById(elName + 'BAD').style.display = '';
        document.getElementById(elName + 'OK').style.display = 'none';
        document.getElementById(elName + 'BAD').title = strMessage;

    } else {
        document.getElementById(elName + 'OK').style.display = '';
        document.getElementById(elName + 'BAD').style.display = 'none';

    }

    return localError;
}

function check(elName, minLength, strMessage) {
    var obj
    var localError


    obj = eval("document.aspnetForm." + strSub + elName)
    localError = 0
    if ((obj.value == "" && minLength > 0) || (obj.value.length < minLength && minLength > 0)) {
        localError = 1
    }

    if (localError > 0) {
        document.getElementById(elName + 'BAD').style.display = '';
        document.getElementById(elName + 'OK').style.display = 'none';
        document.getElementById(elName + 'BAD').title = strMessage;

    } else {
        document.getElementById(elName + 'OK').style.display = '';
        document.getElementById(elName + 'BAD').style.display = 'none';

    }

    return localError;
}