function clearOld (oldDivName) {
	var oldDiv = document.getElementById(oldDivName);
	oldDiv.style.visibility = 'hidden';
	oldDiv.style.overflow = 'hidden';
	oldDiv.style.display = 'none';
	oldDiv.style.top = '-2px';
	oldDiv.style.left = '-2px';
	oldDiv.style.width = '1px';
	oldDiv.style.height = '1px';
}
function recalcDivBorders (leftDivId, rightDivId) {
	var leftDiv = document.getElementById(leftDivId);
	var leftHeight = leftDiv.scrollHeight;
	var rightDiv = document.getElementById(rightDivId);
	var rightHeight = rightDiv.scrollHeight;
	var bgDiv = document.getElementById("bgright");
	var contentDiv = document.getElementById("content");
	var contentHeight = contentDiv.scrollHeight;
	if (contentHeight > rightHeight) {
		rightHeight = contentHeight;
	}
	if (leftHeight > rightHeight) {
		rightHeight = leftHeight;
	}
	rightDiv.style.height = rightHeight + "px";
	var rightOuter = document.getElementById("rightouter");
//	leftDiv.style.background = 'URL(http://www.libreriapandevida.com/images/left_side_bg.gif) top right repeat-y';
	rightOuter.style.background = 'URL(images/right_side_bg.gif) top left repeat-y'; 
	bgDiv.style.background = 'URL(images/right_side_bg.gif) top right repeat-y'; 
}
function flyDivs(leftDivName, oldLeftDivName, rightDivName, oldRightDivName) {
	var leftDiv = document.getElementById(leftDivName);
	var oldLeftDiv = document.getElementById(oldLeftDivName);
	var rightDiv = document.getElementById(rightDivName);
	var oldRightDiv = document.getElementById(oldRightDivName);
	var leftHTML = oldLeftDiv.innerHTML;
	leftDiv.innerHTML = leftHTML;
	oldLeftDiv.innerHTML = null;
	var rightHTML = oldRightDiv.innerHTML;
	rightDiv.innerHTML = rightHTML;
	oldRightDiv.innerHTML = null;
	clearOld (oldLeftDivName);
	clearOld (oldRightDivName);
	recalcDivBorders(leftDivName, rightDivName);
}
function loadNewLink(link) {
	window.open(link); 
}