function CheckingFrag ()
{
	if ( document.forms[0].wl_frag.value == "" ) {
  		//alert("Please specify Fragmentation Length");
  		alert(mavis_str(Alert_Msg_1));
		document.forms[0].wl_frag.focus();
  		return false;
	}
	
	if ( isNaN(document.forms[0].wl_frag.value) || document.forms[0].wl_frag.value < 256 || document.forms[0].wl_frag.value > 2346)  {
		//alert("Invalid Fragmentation Length");
		alert(mavis_str(Alert_Msg_2));
		document.forms[0].wl_frag.focus();		
		return false;
	}

	return true;
}

function CheckingRTSThreshold ()
{
	if ( document.forms[0].wl_rts.value == "" ) {
  		//alert("Please specify RTS Threshold");
		alert(mavis_str(Alert_Msg_3));
  		document.forms[0].wl_rts.focus();
  		return false;
	}

	if ( isNaN(document.forms[0].wl_rts.value) || document.forms[0].wl_rts.value < 256 || document.forms[0].wl_rts.value > 2346) {
		//alert("Invalid RTS Threshold");
		alert(mavis_str(Alert_Msg_4));
		document.forms[0].wl_rts.focus();
		return false;
	}

	return true;
}

function CheckingDTIM ()
{
	if ( document.forms[0].wl_dtim.value == "" ) {
		//alert("Please specify DTIM Interval");
		alert(mavis_str(Alert_Msg_5));
		document.forms[0].wl_dtim.focus();
		return false;
	}

	if (isNaN(document.forms[0].wl_dtim.value) || document.forms[0].wl_dtim.value < 1 || document.forms[0].wl_dtim.value > 255) {
		//alert("Invalid DTIM Interval");
		alert(mavis_str(Alert_Msg_6));
		document.forms[0].wl_dtim.focus();
		return false;
	}

	return true;
}

function CheckingBeaconInterval ()
{
	if ( document.forms[0].wl_bcn.value == "" ) {
  		//alert("Please specify Beacon Interval");
		alert(mavis_str(Alert_Msg_7));
  		document.forms[0].wl_bcn.focus();
  		return false;
	}

	if (isNaN(document.forms[0].wl_bcn.value) || document.forms[0].wl_bcn.value < 20 || document.forms[0].wl_bcn.value > 1000)  {
  		//alert("Invalid Beacon Interval");
		alert(mavis_str(Alert_Msg_8));
  		document.forms[0].wl_bcn.focus();
  		return false;
	}

	return true;
}