<!-- displays the lastModified date (some servers don't send it, or send 0)
lastmod = document.lastModified // get string of last modified date
lastmoddate = Date.parse(lastmod)// convert modified string to date
if(lastmoddate != 0){// unknown date (or January 1, 1970 GMT)
	document.write("<br>Last modified: " + lastmod)
}
// -->

