function putImageUp(baseImgName, imgName)
{
	document[baseImgName].src = eval(imgName + "_up.src");
}

function putImageUp(imgName)
{
	document[imgName].src = eval(imgName + "_up.src");
}

function putImageDown(baseImgName, imgName)
{
	document[baseImgName].src = eval(imgName + "_down.src");
}

function putImageDown(imgName)
{
	document[imgName].src = eval(imgName + "_down.src");
}

function showImage(strImg)
{
	if (bw.ie4)
		document.all[strImg].style.visibility = 'visible';
	else if (bw.ns4)
		eval("document." + strImg + ".visibility = 'visible'");
	else
		document.getElementById(strImg).style.visibility = 'visible';
}

function hideImage(strImg)
{
	if (bw.ie4)
		document.all[strImg].style.visibility = 'hidden';
	else if (bw.ns4)
		eval("document." + strImg + ".visibility = 'hidden'");
	else
		document.getElementById(strImg).style.visibility = 'hidden';
}