/**********************************
Title:   Alphanumeri Test for Javascript
Version: 1.0
Author:  Demetrio L. Cochon Jr.
Email:   demetrio.cochon@gmail.com

Description: check if a string contains only alphanumeric characters
**********************************/
function alphanumeric(alphane)
{
	var numaric = alphane;
	for(var j=0; j<numaric.length; j++) {
		var alphaa = numaric.charAt(j);
		var hh = alphaa.charCodeAt(0);
		if((hh > 47 && hh<58) || (hh > 64 && hh<91) || (hh > 96 && hh<123)) {
		} else {
			return false;
		}
 	}
 return true;
}