function TextBox_OnEnter(e,pb,val)
{
	var el = e.target || window.event.srcElement;
	var keyCode = e.keyCode || e.which;

	if ( keyCode == 13 )
	{ 
		if ( !val || typeof(Page_ClientValidate) != 'function' || ( val && Page_ClientValidate() ) )
		{
			e.cancel = true;
			xPreventDefault(e);
			eval(pb);
		}
	}
}