document.onkeypress=onDocumentKeyPress;
function onDocumentKeyPress(){
	var t=document.activeElement.type;
	if (t=="button" || t=="submit" || t=="" || t=="textarea") {
		return true;
	}
	if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13)){
		document.forms[0][strDefaultButtonID].click();
		return false;
	}
}