function makeArray() {
	 for (i = 0; i<makeArray.arguments.length; i++)
		  this[i] = makeArray.arguments[i];
}

function getLastMod() {
	var lastmod = new Date(document.lastModified); // get string of last modified date
	var months = new makeArray('January','February','March','April','May','June','July','August','September','October','November','December');
	var day  = lastmod.getDate(); var month = lastmod.getMonth(); var year = lastmod.getFullYear();
	var lastmoddate = Date.parse(lastmod);   // convert modified string to date
	if(lastmoddate == 0)  {              // unknown date (or January 1, 1970 GMT)
		return ("Unknown")
	} else {
		return (months[month] + " " + day + ", " + year)
	}
}

function changeImages() {
    for (var i=0; i< changeImages.arguments.length; i+=2) {
      document.getElementById(''+changeImages.arguments[i]+'').src=''+changeImages.arguments[i+1]+'';
    }
}