function alphnumericWithspecialcharacters(evnt)
{
// var array = [45, 46, 64,95];
// keys[evnt.keyCode]=[array];
if(((
(evnt.keyCode[45]&& evnt.keyCode[46] &&evnt.keyCode[64]&&evnt.keyCode[95])||
(evnt.keyCode>=65 && evnt.keyCode<=90) ||
(evnt.keyCode>=97 && evnt.keyCode<=122)||
(evnt.keyCode >=48 && evnt.keyCodeode<=57)&&
(this.value.length<=10 || this.value.length>=20)
)))
{
}
else{
alert("It allow only [A-Z, a-z,0-9 ] and not <10 || >20 character");
evnt.preventDefault();
}
Ajit - what exactly is your question?