function initGallery()
{
	if (!document.getElementById) return;

	var mainpic = document.getElementById('mainpic');
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++)
	{
        if (aImages[i].className.match('thumb'))
        {
            aImages[i].onclick = function()
            {
            	mainpic.setAttribute('src', this.getAttribute('src'));
            	//this.className = 'thumb-selected';

            }
        }
	}
}

window.onload = initGallery;