function showPic(imgName, img) {
	
	var previewDiv = document.getElementById('preview');
	previewDiv.innerHTML = "<img border=\"0\" src=\"images/gallery/" + imgName + "\">";
	
	var images = document.getElementsByTagName("img");	
	if(img != undefined) {
		for(x = 0; x< images.length; x++) {
			images[x].border = 0;		
		}
		
		img.border = 2;
	}
}