function nac(query) {
	document.forms.fmain.action += query;
	document.forms.fmain.submit();
}
function dac(url, query) {
	document.forms.fmain.action = url + "?" + query;
	document.forms.fmain.submit();
}
function mac()
{	for (var i=1; i<mac.arguments.length; i+=2)
	{document.getElementById(mac.arguments[i]).value = mac.arguments[i+1];	}	
	document.forms.fmain.action = mac.arguments[0];
	document.forms.fmain.submit();
}