function dropdown(obj,stat) {
	idx=fDOM(obj);
	idx.style.visibility=(stat) ? "visible" : "hidden";
}
function fDOM(obj) {
	if (document.getElementById) return (document.getElementById(obj));
	else return (0);
}

function fnValidate(f) {
	if (f.email.value.length == 0){
		alert('Please enter your Email to continue.');
		f.email.focus();
		return false;
	}
	if (!IsValidEmail(f.email.value)){
		alert('Please enter a valid Email to continue.');
		f.email.focus();
		return false;
	}
	return true;
}

function IsValidEmail(val) {
	var iLen = val.length;
	if 	((iLen < 6) || (val.indexOf('@') < 1) || ((val.charAt(iLen - 3) != '.') && (val.charAt(iLen - 4) != '.') && (val.charAt(iLen - 5) != '.')) ) return false;
	return true;
}

function IsNumeric(val) {
	var ValidChars = "0123456789.-()";
	for (i=0; i<val.length; i++) {
		if (ValidChars.indexOf(val.charAt(i)) == -1) return false;
	}
	return true;
}