function enlarge(obj) {

	var enlObj = document.getElementById('imgFocus');
	var coords = findPos(obj);
	var theHTML = '<img src="'+obj.src+'" onmouseout="hideImg()" alt="">';
	enlObj.style.left = coords[0]+'px';
	enlObj.style.top = coords[1]+'px';
	enlObj.innerHTML = theHTML; 
	enlObj.style.display = 'block';

}

function hideImg() {

	var enlObj = document.getElementById('imgFocus');
	enlObj.style.display = 'none';
	var theHTML = '';
	enlObj.style.left = 0;
	enlObj.style.top = 0;
	enlObj.innerHTML = theHTML;

}

/* Devolver coordendas */
function findPos(obj) {

	var curleft = curtop = 0;
	
	if (obj.offsetParent) {
	
		do {
				curleft += obj.offsetLeft;
				curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	
	}
	
	return [curleft,curtop];
}