//====================================================================================================
//	functions for common actions: ie opening help window
//====================================================================================================
var winHelp;

function goHelp()
{
	if (winHelp) {
		winHelp.close();
		winHelp = null;
	}
	var sHelpFile = "./_help/" + document.all.txtH.value;
	winHelp = window.open(sHelpFile,'winHelp','status=no,width=640,height=600,directories=no,location=no,toolbar=no,scrollbars=yes,resizable');
	winHelp.focus();
}