function newImage(arg)
{
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function setMsg( msg )
{
	window.status = msg;
	return true;
}


function changeImage( imgName, imgOver, imgExt )
{
	var imgDir = "/images/";
	eval( "document." + imgName + ".src = \"" + imgDir + imgName + imgOver + "." + imgExt + "\"" );
}

function changeImaged( imgName, imgSubDir, imgOver, imgExt )
{
	var imgDir = "/images/";
	if (imgSubDir != ""){
		imgDir = "/images/" + imgSubDir + "/"
	}
	
	eval( "document." + imgName + ".src = \"" + imgDir + imgName + imgOver + "." + imgExt + "\"" );
}

function popUp(URL, target, options) {
        window.open(URL, target, options);
}