//bild aus einer galerie in anderen kontainer copieren
var copyImage = function ( idFinalImg, copyImg ) {
    var copy = document.getElementById( copyImg ).cloneNode( true );
    var newImgChild = document.getElementById( idFinalImg ).appendChild( copy );
    var lastImgChild = document.getElementById( idFinalImg ).lastChild;
    
    lastImgChild.removeAttributeNode( document.getElementById( copyImg ).getAttribute( "onclick" ) )
}

//entfernen des onclick attributes eines kopierten elementes
var deleteNodesOfCopys = function ( idParentNode ) {
    var parent = document.getElementById( idParentNode );
    var images = parent.getElementsByTagName( "img" );
    
    if ( images.length > 0 ) {
        
        for ( var i = 0; i < images.length; i++ ) {
            var attrEvent = images[i].getAttributeNode( "onclick" );
            if ( attrEvent ) {
                images[i].removeAttributeNode( attrEvent );
            }
        }
    }
}