$(document).ready(function(){
        
    //main navigation rollover menu:
    mainNav();

    $('#painting-box a,.paintings-page a.enlarge').lightBox({
    	overlayOpacity: 0.5,
    	imageLoading: '/extension/pauleriche/design/paule/images/lightbox-ico-loading.gif',
    	imageBtnClose: '/extension/pauleriche/design/paule/images/lightbox-btn-close.gif',
    	imageBtnPrev: '/extension/pauleriche/design/paule/images/lightbox-btn-prev.gif',
    	imageBtnNext: '/extension/pauleriche/design/paule/images/lightbox-btn-next.gif'
       }); 

    //tooltip :
    $('#gallery a').tooltip({
        track: true,
        delay: 0,
        showURL: false,
        showBody: " - ",
        fade: 250
    });
    
    var blockH = 88;
    $('.gallery-row li a').each(function(index) {
    	img = $(this).find("img");
    	imgH = img.height();
    	if(imgH < blockH) {
    		marTop = (blockH-imgH)/2;
    		img.css('margin-top', marTop);
    	}
    });
    
    if($('.nav-arr')) {
    	var paintH = $('.paintings-page').height();
    	var top = (paintH-100)/2;
    	$('.nav-arr').css('top',top);
    }

});


function mainNav() {
    
    var activeLi = $('#nav > li');
    if(activeLi.length) {
        $('#nav > li').hover(function() {
            $(this).addClass('over');
        }, function() {
            $(this).removeClass('over');
        });     
    }

}