// JScript File

function check_email(address) {
	//var emailPat = /^((\w|\.|\_)+)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
	var emailPat = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
	var matchArray = address.match(emailPat);
	if (matchArray == null)
		return false;
	else
		return true;
}
function isDigit() {
    if (window.event){
        if (event.keyCode < 48 || event.keyCode > 57) { event.returnValue = false; }
    }
}

function isDigit_Netscape(e) {
    if ((navigator.appName.indexOf("Netscape") != -1) || (navigator.appName.indexOf("Opera") != -1)) {
        if ((e.keyCode == 32) || (e.keyCode == 59) || (e.keyCode == 61) || (e.keyCode == 109) || (e.keyCode == 188) || ((e.keyCode >= 65) && (e.keyCode <= 90)) || ((e.keyCode >= 190) && (e.keyCode <= 192)) || ((e.keyCode >= 219) && (e.keyCode <= 222))) { 
//            e.preventDefault() = false; 
            e.preventDefault();
        }
    }
}