<!--//hidden
function getQueryString(whichField) {
	var theURL = location.search;
	// elliminate the question mark
	theURL = theURL.substring(1,theURL.length);
	// split into NVP's
	theURL = theURL.split("&"); 
	for (var x = 0; x < theURL.length; ++x) {
		// split into name and value 
		theNVP = theURL[x].split("="); 
		// once we find the variable named theURL, use it as the link 0
		if (theNVP[0] == whichField) {
			return ( theNVP[1] );
		}
	}
	return ("none");
}
// -->