function listObjs(ObjName, Container) {

    if (Container == null) Container = document.body;

    let ar = new Array();

    for (let lcc = 0; lcc < Container.childNodes.length; lcc++) {

        let it = listObjsInContainer(ObjName, Container.childNodes[lcc]);

        if (it) {
            for (lit in it)
                ar.push(it[lit]);
        }

        if (ObjName == "")
            continue;

        if (Container.childNodes[lcc].childNodes[0]) {
            let it = listObjs(ObjName, Container.childNodes[lcc]);
            if (it) {
                for (lit in it)
                    ar.push(it[lit]);
            }
        }
    }

    if (ar.length == 0)
        return null;
    else
        return ar;
}

function getObjs(ObjName, Container) {

    if (Container == null) Container = document.body;

    let ar = new Array();

    for (let lcc = 0; lcc < Container.childNodes.length; lcc++) {

        let it = getObjsInContainer(ObjName, Container.childNodes[lcc]);

        if (it) {
            for (lit in it)
                ar.push(it[lit]);
        }

        if (ObjName == "")
            continue;

        if (Container.childNodes[lcc].childNodes[0]) {
            let it = getObjs(ObjName, Container.childNodes[lcc]);
            if (it) {
                for (lit in it)
                    ar.push(it[lit]);
            }
        }
    }

    if (ar.length == 0)
        return null;
    else
        return ar;
}

function getTags(TagName, Container) {

    if (Container == null) Container = document.body;

    let ar = new Array();

    for (let lcc = 0; lcc < Container.childNodes.length; lcc++) {
        let it = getTagsInContainer(TagName, Container.childNodes[lcc]);
        if (it) {
            for (lit in it)
                ar.push(it[lit]);
        }

        if (TagName == "")
            continue;

        if (Container.childNodes[lcc].childNodes[0]) {
            let it = getTags(TagName, Container.childNodes[lcc]);
            if (it) {
                for (lit in it)
                    ar.push(it[lit]);
            }
        }
    }

    if (ar.length == 0)
        return null;
    else
        return ar;
}

function getObjsInContainer(ObjName, Container) {

    let ar = new Array();

    if (Container.name)
        if (Container.name == ObjName)
            ar[ar.length] = Container;

    //ar.length == 0
    //means that name wasn't found, 
    //it will avoid same object in the list 
    //if has name and id in same object
    if (ar.length == 0)
        if (Container.id)
            if (Container.id == ObjName)
                ar[ar.length] = Container;
    
    for (let lcc = 0; lcc < Container.childNodes.length; lcc++) {

        if (ObjName == "") {
            ar[ar.length] = Container.childNodes[lcc];
            continue;
        }

        if (Container.childNodes[lcc].name)
            if (Container.childNodes[lcc].name == ObjName) {
                ar[ar.length] = Container.childNodes[lcc];
                continue;
            }

        if (Container.childNodes[lcc].id)
            if (Container.childNodes[lcc].id == ObjName) {
                ar[ar.length] = Container.childNodes[lcc];
                continue;
            }
    }
    
    if (ar.length == 0)
        return null;
    else
        return ar;

}

function listObjsInContainer(ObjName, Container) {

    let ar = new Array();

    if (Container.name)
        if (Container.name == ObjName)
            ar[ar.length] = Container;

    //ar.length == 0
    //means that name wasn't found, 
    //it will avoid same object in the list 
    //if has name and id in same object
    if (ar.length == 0)
        if (Container.id)
            if (Container.id == ObjName)
                ar[ar.length] = Container;

    if (ar.length == 0)
        return null;
    else
        return ar;

}

function getTagsInContainer(TagName, Container) {

    let ar = new Array();

    if (Container.nodeName)
        if (Container.nodeName == TagName)
            ar[ar.length] = Container;
    
    for (let lcc = 0; lcc < Container.childNodes.length; lcc++) {

        if (TagName == "") {
            ar[ar.length] = Container.childNodes[lcc];
            continue;
        }

        if (Container.childNodes[lcc].nodeName)
            if (Container.childNodes[lcc].nodeName == TagName) {
                ar[ar.length] = Container.childNodes[lcc];
                continue;
            }
    }
    
    if (ar.length == 0)
        return null;
    else
        return ar;

}

function distinctObjs(ar) {

    if (ar == null)
        return;

    if (ar.length <= 1)
        return;

    for (lc = 1; lc < ar.length; lc++)
        for (ld = 0; ld < lc; ld++)
            if (ar[lc] == ar[ld])
            {
                ar.splice(lc);
                lc--;
                break;
            }

}

function existsObj(objCheck) {
    try {
        return (typeof objCheck !== 'undefined');
    }
    catch (e) {
        return false;
    }
}