function numeric(evt) {
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false
    return true
}
function alphabetic(evt) {
    var charCode = (evt.which) ? evt.which : event.keyCode    
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return true
    return false
}
function onlyalphabetic(evt) {
    var charCode = (evt.which) ? evt.which : event.keyCode    
    if ((charCode > 64 && charCode < 91) || (charCode > 96 && charCode < 123) || charCode == 304
    || charCode == 305 || charCode == 286 || charCode == 287 || charCode == 220 || charCode == 252 || charCode == 350
    || charCode == 351 || charCode == 231 || charCode == 199 || charCode == 246 || charCode == 214 || charCode == 32 || charCode==8)
        return true
    return false
}
function dontpaste() {
    event.returnValue = false
}