function setClass(obj, cl){
    if (obj.className!=cl) obj.className = cl;
}

function setClassById(objid, cl){
    if (!cl) cl = '';
    document.getElementById(objid).className = cl;
}

function changeDisplayById(objId){
    for (c = 0; c < changeDisplayById.arguments.length; c++){
        obj = document.getElementById(changeDisplayById.arguments[c]);
        if (obj.style.display == 'none') obj.style.display = 'block';
        else obj.style.display = 'none';
    }
}

function gotoURL(url, target, callback){

    if (!url) url = "/";

    if(typeof callback == "function")
        callback(url);

    if(target && target!='_self'){
        popupURL(url, target);
    }
    else{
        if (window.event){
            var src = window.event.srcElement;
            if((src.tagName != 'A') && ((src.tagName != 'IMG') || (src.parentElement.tagName != 'A'))){
                if (window.event.shiftKey) window.open(url);
                else document.location = url;
            }
        } else document.location = url;
    }
}

function showPopup(url){
    win = window.open(url, 'email', 'width=450, height=450, scrollbars=yes, resizable=no, left=0, top=0');
    win.focus();
    return win;

} 
function popupURL(url, target){
    window.open(url, target);
}

function getLeftPos(obj){
    var res = 0;
    while (obj){
        res += obj.offsetLeft;
        obj = obj.offsetParent;
    }
    return res;
}

function getTopPos(obj){
    var res = 0;
    while (obj){
        res += obj.offsetTop;
        obj = obj.offsetParent;
    }
    return res;
}

function chbCheckAll(formObj, checkName, checkVal){
    var el = formObj.elements;
    for (count = 0; count < el.length; count++)
        if (el[count].name == checkName + '[]')
            if (!el[count].disabled) el[count].checked = checkVal;
}

function chbExamAll(formObj, checkName, resName){
    var checkCount = 0;
    var boxCount = 0;
    var el = formObj.elements;
    for (count = 0; count < el.length; count++)
        if (el[count].name == checkName + '[]'){
            boxCount++;
            if (el[count].checked || el[count].disabled) checkCount++;
        }
    formObj.elements[resName].checked = (checkCount == boxCount);
}

function chbIsAllEmpty(formObj, checkName){
    var checkCount = 0;
    var boxCount = 0;
    var el = formObj.elements;
    for (count = 0; count < el.length; count++)
        if (el[count].name == checkName + '[]'){
            boxCount++;
            if (el[count].checked) checkCount++;
        }
    return(checkCount == 0);
}

function chbIsOnlyOne(formObj, checkName){
    var checkCount = 0;
    var boxCount = 0;
    var el = formObj.elements;
    for (count = 0; count < el.length; count++){
        if (el[count].name == checkName + '[]'){
            boxCount++;
            if (el[count].checked) checkCount++;
        }
    }
    return(checkCount == 1);
}

function disableAll(){
    for (c1 = 0; c1 < document.forms.length;  c1++){
        var formElements = document.forms[c1].elements;
        for (c2 = 0; c2 < formElements.length;  c2++) formElements[c2].disabled = true;
    }
}

function blocks_view( block_name, block_img, block_inner, http, images )
{
    document.getElementById('frame_id').src=http+'blocks.php?name='+block_name;
    if(document.getElementById(block_inner).style.display=='none')
    {
        document.getElementById(block_inner).style.display='block';
        document.getElementById(block_img).src=images+'arr_off.gif';
    }
    else
    {
        document.getElementById(block_inner).style.display='none';
        document.getElementById(block_img).src=images+'arr_on.gif';
    }
}

function blocks_view2(lnk, block_id, images )
{
    var bl = lnk.parentNode.parentNode.getElementsByTagName('DIV')[5];
    var bl_mrg = lnk.parentNode.parentNode.getElementsByTagName('DIV')[4];
    var img = lnk.parentNode.getElementsByTagName('img')[0];

    var exp = new Date();
    var oneMonthFromNow = exp.getTime() + (30*24*60*60*1000);
    exp.setTime (oneMonthFromNow);


    if(bl.style.display=='none')
    {
        bl.style.display='block';
        if(block_id)setCookie(block_id,'block',exp,"/");
        img.src=images+'arr_block.gif';
    }
    else
    {
        bl.style.display='none';
        if(block_id)setCookie(block_id,'none',exp,"/");
        img.src=images+'arr_none.gif';
    }
    bl_mrg.style.display = bl.style.display;
}


// name - cookie name
// value - cookie value
// [expires] - Date object (by default cookie expires at the end of browser session)
// [path]
// [domain]
// [secure]
function setCookie(name, value, expires, path, domain, secure)
{
    var curCookie = name + "=" + escape(value) +
                ((expires) ? "; expires=" + expires.toGMTString() : "") +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                ((secure) ? "; secure" : "")

    if ( (name + "=" + escape(value)).length <= 4000)
        document.cookie = curCookie
}

// name - cookie name
function getCookie(name)
{
        var prefix = name + "="
        var cookieStartIndex = document.cookie.indexOf(prefix)
        if (cookieStartIndex == -1)
                return null
        var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
        if (cookieEndIndex == -1)
                cookieEndIndex = document.cookie.length
        return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
}

// name - cookie name
// [path]
// [domain]
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 onMenuClick(url)
{
    var exp = new Date();
    var oneMonthFromNow = exp.getTime() + (30*24*60*60*1000);
    exp.setTime (oneMonthFromNow);
    setCookie('menuclick',(url||1),exp,"/");
}

//Small image functions
function image_show(this_obj,id,cl) {
    obj = document.getElementById(id);
    if (obj.className!=cl) obj.className = cl;
}
function image_hide(this_obj,id,cl) {
    obj = document.getElementById(id);
    if (obj.className!=cl) obj.className = cl;
}

function set_img_pos (formObj, checkName) {
    var el = document.forms[formObj].elements;
    for (count = 0; count < el.length; count++)
        if (el[count].name == checkName + '[]'){
            if (document.getElementById('sm_'+el[count].value)) {
                left = getLeftPos(document.getElementById('sm_'+el[count].value));
                left+=19;
                top = getTopPos(document.getElementById('sm_'+el[count].value));
                document.getElementById('b_'+el[count].value).style.left     = left+'px';
                document.getElementById('b_'+el[count].value).style.top     = top+'px';
            }
        }
}

function preLoad() {
    if(document.images)  {
        var argLen = arguments.length;
        for(var i = 0; i < argLen; i++) {
            var arg = arguments[i];
            self[arg] = new Image();
            self[arg].src = arg;
        }
    }
}

function ch_img(obj, img) {
    if (self[img])
        obj.src = self[img].src;
}