[zOdmin]

var addElement = function(a, b, funcName)
{
    //var funcName = ????
    if (!funcName) funcName='addElement';
    if(funcName == 'addElement') alert('Hello World!');
    else alert('Goodbay World!');
    //Code
}
 
var addText = function(a,b) { return addElement(a,b,'addText'); };