1 function soundex(str) {
 2     //  original from   http://phpjs.org/functions/soundex:520
 3 
 4     var i, j, l, r, p = isNaN(p) ? 4 : p > 10 ? 10 : p < 4 ? 4 : p;
 5     var m = {BFPV: 1, CGJKQSXZ: 2, DT: 3, L: 4, MN: 5, R: 6};
 6     var r = (s = (str+'').toUpperCase().replace(/[^A-Z]/g, "").split("")).splice(0, 1);
 7     var sl = 0;
 8  
 9     sl = s.length;
10     for (i = -1, l = sl; ++i < l;) {
11         for (j in m) {
12             if (j.indexOf(s[i]) + 1 && r[r.length-1] != m[j] && r.push(m[j])) {
13                 break;
14             }
15         }
16     }
17  
18     return r.length > p && (r.length = p), r.join("") + (new Array(p - r.length + 1)).join("0");
19 }
20 
21 crmForm.all.new_soundex_lastname.DataValue=soundex(crmForm.all.lastname.DataValue);