<!-- получение координат события -->
function getPositionByEvent(evt) {
    evt = (evt) ? evt : ((window.event) ? event : null); 
    if(evt) {
        var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
        var offsetTrail = who;
        var offsetLeft = 0;
        var offsetTop = 0;
        while(offsetTrail){
            offsetLeft += offsetTrail.offsetLeft;
            offsetTop += offsetTrail.offsetTop;
            offsetTrail = offsetTrail.offsetParent;
        }
        return{left:offsetLeft, top:offsetTop};
    }
}

function getPositionById(elemId) {
        var offsetTrail = elemId;
        var offsetLeft = 0;
        var offsetTop = 0;
        while(offsetTrail){
            offsetLeft += offsetTrail.offsetLeft;
            offsetTop += offsetTrail.offsetTop;
            offsetTrail = offsetTrail.offsetParent;
        }
        return{left:offsetLeft, top:offsetTop};
}

function forceHideLocalMenu() {
    var localMenus = document.getElementById('localMenus');
    for(var i = 0; i < localMenus.childNodes.length; i++) {
        var localMenuNode = localMenus.childNodes[i].id;
        if(localMenuNode) {
            document.getElementById(localMenuNode).style.display='none';
        }
    }
}

function forceHideMainMenu() {
    var mmenu = document.getElementById('mainMenu');
    for(var i = 0; i < mmenu.childNodes.length; i++) {
        var mainMenuNode = mmenu.childNodes[i].id;
        if(mainMenuNode) {
            document.getElementById(mainMenuNode).className='mainMenuItem';
        }

    }
}

function outsideClickHandler(evt) {
    evt = (evt) ? evt : ((window.event) ? event : null); 
    if(evt) {
        var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
        var whoID = who.id;
        whoID = whoID.toString();
        if(whoID.length == 0) {
            forceHideLocalMenu();
        }
    }
}

function mainMenuOver(itemID) {
    var menuItem = document.getElementById(itemID);
    menuItem.className = 'menuItemActive';
}

function showLocalMenu(evt, itemID) {
    var localMenuItem = document.getElementById(itemID+'_local');
    localMenuItem.style.left = getPositionByEvent(evt).left + 'px';
    localMenuItem.style.top = getPositionByEvent(evt).top + 24 + 'px';
    localMenuItem.style.display = 'block';
}

function showLocalMenuIE(evt, itemID) {
    var localMenuItem = document.getElementById(itemID+'_local');
    localMenuItem.style.left = getPositionByEvent(evt).left - document.getElementById('siteCanvas').offsetLeft + 'px';
    localMenuItem.style.top = getPositionByEvent(evt).top + 23 + 'px';
    localMenuItem.style.display = 'block';
}

function mainMenuOut(itemID) {
    var menuItem = document.getElementById(itemID);
    menuItem.className = 'menuItem';
}
function hideLocalMenu(itemID) {
    var localMenuItem = document.getElementById(itemID+'_local');
    localMenuItem.style.display = 'none';
}

function showEvent(evt, msg) {
    var elemId = document.getElementById('eventBody');
    var xc = getPositionByEvent(evt).left;
    var yc = getPositionByEvent(evt).top;
    elemId.style.top = yc+10;
    elemId.style.left = xc+10;
    elemId.style.display = 'block';
    elemId.innerHTML = msg;
}

function hideEvent(evt) {
    evt = (evt) ? evt : ((window.event) ? event : null); 
    if(evt) {
        var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
        who.style.display = 'none';
    }
}
function hideEventDirect(elemId) {
    var who = document.getElementById(elemId);
    who.style.display = 'none';
}


<!-- Функция скрыsafтия/отображения формы feedBack-->
function FBSwitch(){
    var ttl = document.getElementById('feedbackBTitle');
    var bdy = document.getElementById('feedbackBody');
    if(bdy.style.display == 'none') {
        bdy.style.display = 'block';
        ttl.innerText = '­[-] Задать вопрос';
    } else {
        bdy.style.display = 'none';
        ttl.innerText = '[+] Задать вопрос';
    }
}

<!-- Функция скрытия/отображения формы обновления в ISSUES-->
function updateImageFormRollover(boxID) {
    var elem = document.getElementById(boxID);
    if(elem.style.display=='none') {
        elem.style.display = 'block';
    } else {
        elem.style.display = 'none';
    }
}

<!-- Запрос на удаление -->
function safekill(hid, nullhref) {
    var answer = confirm("Вы уверены что хотите удалить?");
    if (answer){}
    else{
       var elem = document.getElementById(hid);
       if(nullhref) {
           elem.href = nullhref;
       }
       else {
           elem.href = '';
       }
    }
}

function safekill2(actionURL, cancelURL) {
    var answer = confirm("Вы уверены что хотите удалить?");
    if (answer){
       window.location = actionURL;
    }
    else{
       window.location = cancelURL;
    }
}

function setDate(dayID, monthID, yearID, resultID) {
    document.getElementById(resultID).value = document.getElementById(yearID).value +'/'+ document.getElementById(monthID).value +'/'+ document.getElementById(dayID).value
}

function textOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
    if (charCode > 32 && (charCode < 65 || charCode > 122) && charCode < 192 && charCode != 45) {return false;}
}

function numericOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {return false;}
}

function emailOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
    if (charCode > 31 && (charCode < 64 || charCode > 122) && (charCode < 48 || charCode > 57) && charCode != 45 && charCode != 46 && charCode != 95) {return false;}
}

function copyPath() {
        var tbody = document.getElementById("imagesBox");
        for(var i=0; i < tbody.rows.length; i++) {
               tbody.rows[i].cells[0].childNodes[1].value = tbody.rows[i].cells[0].childNodes[0].value;
        }
}

function copyPathAlt2(evt) {
        evt = (evt) ? evt : ((window.event) ? event : null); 
        if(evt) {
            var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
            var src = document.getElementById(who.id);
            who.parentNode.childNodes[1].value = src.value;
        }
}

function copyPathAlt(evt) {
        evt = (evt) ? evt : ((window.event) ? event : null); 
        if(evt) {
            var who = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
            var src = document.getElementById(who.id);
            who.parentNode.childNodes[1].value = src.value;
            alert(who.parentNode.childNodes[1].name + ' ' + src.value);
        }
}