function validate(obj)
{
if (obj.company.value =="")
        {
                alert ( "Please fill Your Company Name." )
                obj.company.focus();
                return false;
        }

if (obj.email.value=="" || obj.email.value.indexOf("@") ==-1 || obj.email.value.indexOf(".") ==-1)
{
               alert("Enter Valid Email.")
               obj.email.focus();
               return false;
}

if (isNaN(obj.phone.value) || obj.phone.value=="")
 {
                alert("Enter The Valid Phone Number.")
                obj.phone.focus();
                return false;
 }

 return true;

}
   var r={
  'special':/[\W]/g,
  'quotes':/['\''&'\"']/g,
  'notnumbers':/[^\d]/g
}

function valid(o,w){
  o.value = o.value.replace(r[w],'');
}