function pannonessence_changeimage(side,id) {
	document.getElementById('image_front_'+id).style.display = 'none';
	document.getElementById('image_back_'+id).style.display = 'none';
	document.getElementById('image_neck_'+id).style.display = 'none';

	document.getElementById('image_'+side+'_'+id).style.display = 'inline';
}

function pannonessence_show_review(id) {
	if (document.getElementById('review_'+id)) document.getElementById('review_'+id).style.display = 'block';
}

function pannonessence_hide_review(id) {
	if (document.getElementById('review_'+id)) document.getElementById('review_'+id).style.display = 'none';
}

/**/

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}