function findObj(objID) { 
	return document.getElementById?document.getElementById(objID):document.all?document.all[objId]:null; 
	}


function changeImage(newImgSrc) {
	var oldImg = findObj("oldImg");
	var newImg = findObj("newImg");
	if (!newImg) return;

	oldImg.src = newImgSrc;
}


var newwindow = '';

function popitup(url)
{
	if (!newwindow.closed && newwindow.location)	{
		newwindow.location.href = url;
	}
	else	{
		newwindow=window.open(url,'name','');
		if (!newwindow.opener) newwindow.opener = self;
	}
	if (window.focus) {newwindow.focus()}
	return false;
}