function getLang() {
	var dl = "";
	dl += document.location;
	oReLang = /lang=([a-z]*)/;
	oReLang.exec(dl.toLowerCase());
	return RegExp.$1;
}

function changeImage(i, id) {
	var big = document.getElementById('big_image');
	var	ctr = document.getElementById('big_ctr');
	if ("Microsoft Internet Explorer" == navigator.appName) ctr.filters[0].Apply();
	if (current == -1 || (i != current)) {
		for (var ii = 0, j = img3.length; ii < j; ii++) {
			document.getElementById("t_" + ii).src = img3[ii];
		}
		big.src	= imgs[i];
		id.src	= img2[0];
		current	= i;
	} else {
		big.src	= img2[1];
		id.src	= img3[i];
		current	= -1;
	}
	if ("Microsoft Internet Explorer" == navigator.appName) ctr.filters[0].Play();
	return false;
}