function $N(element) {
	var retVal=document.getElementsByName(element);
	for(retValItem in retVal){
		retValItem=$(retValItem);
	}
	return(retVal);
}
var _hex2bin = [
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, // 0-9
     0,10,11,12,13,14,15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // A-F
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0,10,11,12,13,14,15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a-f
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
function hex2bin(str) {
    var len = str.length;
    var rv = '';
    var i = 0;

    var c1;
    var c2;

    while (len > 1) {
        h1 = str.charAt(i++);
        c1 = h1.charCodeAt(0);
        h2 = str.charAt(i++);
        c2 = h2.charCodeAt(0);
        
        rv += String.fromCharCode((_hex2bin[c1] << 4) + _hex2bin[c2]);
        len -= 2;
    }

    return rv;
}