function titleCase(txt) {
    txt.value = txt.value.substring(0, 1).toUpperCase() +
    txt.value.substring(1, txt.value.length);
}
function isValid(event) {
    switch (navigator.appName) {
        case 'Microsoft Internet Explorer':
            return (60 != event.keyCode && event.keyCode != 62)
            
        case 'Netscape':  //Firefox
            return (60 != event.which && event.which != 62)
        default:  //do not prevent for unknown browsers
            return true;
    }
}


function isNumber(event) {
switch (navigator.appName) {
case 'Microsoft Internet Explorer':
return (47 < event.keyCode && event.keyCode < 58) //qwerty or keypad numbers
|| event.keyCode == 8  //backspace
|| event.keyCode == 9; //tab
case 'Netscape':  //Firefox
return (47 < event.which && event.which < 58) //qwerty numbers
|| (32 < event.keyCode && event.keyCode < 41) || event.keyCode == 12 || event.keyCode == 45 //numpad numbers
|| event.keyCode == 8  //backspace
|| event.keyCode == 9; //tab
default:  //do not prevent for unknown browsers
return true;
}
}
/*
function questionText(txt){
txt.value = txt.value.substring(0,1).toUpperCase() +
txt.value.substring(1,txt.value.length);
if (txt.value.substring(txt.value.length-1) == '?') return;    
if (txt.value.lenght == 200) txt.value = txt.valueOf.substring(0,199);
txt.value = txt.value + '?';
}
function urlText(txt) {
if (txt.value.trim() == '') { return; }
txt.value = txt.value.toLowerCase();
if (txt.value.substring(0, 7) != 'http://') { txt.value = 'http://' + txt.value }
}
*/