Fixed issue #8541: str_replace seems to be replacing just the first o…

…ccurrence of search string rather than all occurrences

scripts/expressions/em_javascript.js

@@ -303,12 +303,35 @@ function LEMstrlen(a)
     return str.length;
 }
 
-function LEMstr_replace(needle, replace, haystack)
-{
-    var str = new String(haystack);
-    return str.replace(needle, replace);
+function LEMstr_replace (search, replace, subject) {
+  // Copied From: http://phpjs.org/functions
+  var i = 0,
+    j = 0,
+    temp = '',
+    repl = '',
+    sl = 0,
+    fl = 0,
+    f = [].concat(search),
+    r = [].concat(replace),
+    s = subject,
+    ra = Object.prototype.toString.call(r) === '[object Array]',
+    sa = Object.prototype.toString.call(s) === '[object Array]';
+    s = [].concat(s);
+  for (i = 0, sl = s.length; i < sl; i++) {
+    if (s[i] === '') {
+      continue;
+    }
+    for (j = 0, fl = f.length; j < fl; j++) {
+      temp = s[i] + '';
+      repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0];
+      s[i] = (temp).split(f[j]).join(repl);
+    }
+  }
+  return sa ? s : s[0];
 }
 
+
+
 function LEMstrpos(haystack,needle)
 {
     var str = new String(haystack);