JuliaZibarieva

adrma.invisibleParameterToJSON = function invisibleParameterToJSON() {
 var parsedInvisParam = {},
 invisParam = adrma.cookie("InvisibleParameter");
 if (invisParam) {
  invisParam.split('&').forEach(function(val, i) {
   var tempArr = val.split("=");
   var value = adrma.ifBoolParse(tempArr[1]);
   if (value === '') value = null;
   parsedInvisParam[tempArr[0]] = value;
  });

JuliaZibarieva

<input type="text" id="test" name="test" value="" size="16">
<script>
function replace() {
 this.value = this.value.replace(/[^0-9]+/g,'') ;
} ;
document.getElementById("test").onkeyup = replace ;
</script>