var blnDOM = false, blnIE4 = false, blnNN4= false, blnNN6= false;
if (document.getElementById && (navigator.appName=="Netscape")) blnNN6 = true;
else if (document.getElementById) blnDOM = true;
else if (document.layers) blnNN4= true;
else if (document.all) blnIE4 = true;
if (blnNN4 || blnNN6){
	document.write("<input type='image' src='/staticfiles/pws/images/go.gif' border=0 alt='Login' name='login_off' align='middle'></td>");
} else {
	document.write("<a href='javascript:document.all.login.submit()' target='_top'><input type='image' src='/staticfiles/pws/images/go.gif' border=0 alt='Login' name='login_off' align='middle'></a></td>");
}


function getKeycode(e){
	if (blnNN4 || blnNN6){
		var NN4key = e.which
		if (NN4key == "13"){
			if((document.login.userid.value == "") || (document.login.password.value == "")){
			} else {
		 		this.login.submit();
		 	}
		 }	
	}
	if (blnDOM || blnIE4){
		var IE4key = event.keyCode
		if (IE4key == "13"){
			if((document.login.userid.value == "") || (document.login.password.value == "")){
			} else {
		 		this.login.submit();
		 	}
		}
	}
}

document.onkeydown = getKeycode
if (blnNN4) document.captureEvents(Event.KEYDOWN)