document.onkeypress=catchKey;

function AcceptNum(isInt) {
	var aCode = window.event.keyCode;
	//alert(aCode);
	
	if ((aCode >= 48 && aCode <= 57) || (!isInt && aCode == 46))
	{
		return true;
	}
	else 
		return false;
}

function catchKey() {
	var aCode = window.event.keyCode;
	var obj = window.event.srcElement;
	//alert(aCode);
	if (obj.name == 'txtNewsContent')
		return true		

	if (aCode == 13 && obj.type!='submit' && obj.type!='image' && obj.type != 'button' ) return false;
	return true;
}