function changeBg(){
    
/*////////////////////////Beállítások////////////////////////////*/

    var bgContainer = "#artloveHeaderBG"; //background container
    var speedOut = "slow" ; // fadeOut Speed
    var speedIn = 1800 ; // fadeIn Speed
    
/*///////////////////////////////////////////////////////////////*/
    var bg = $("#artloveHeaderBG").attr("title");
    bg = Number(bg);
    
    if(bg == "1"){
        $(bgContainer).fadeOut(speedOut,function(){
            $(bgContainer).css("background-image","url(images/lightEffects_01.jpg)");
        }).fadeIn(speedIn);
        $(bgContainer).attr("title",bg+1);
    }
    if(bg == "2"){
        $(bgContainer).fadeOut(speedOut,function(){
            $(bgContainer).css("background-image","url(images/lightEffects_02.jpg)");
        }).fadeIn(speedIn);
        $(bgContainer).attr("title",bg+1);
    }
    if(bg == "3"){
        $(bgContainer).fadeOut(speedOut,function(){
            $(bgContainer).css("background-image","url(images/lightEffects_03.jpg)");
        }).fadeIn(speedIn);
        $(bgContainer).attr("title",bg+1);
    }
    if(bg == "4"){
        $(bgContainer).fadeOut(speedOut,function(){
            $(bgContainer).css("background-image","url(images/lightEffects_04.jpg)");
        }).fadeIn(speedIn);
        $(bgContainer).attr("title",1);
    }
    
};/*END changeBg function*/

$(document).ready(function(){
   setInterval( "changeBg()", 15000 ); 
});