function Left(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}

function sf(){
	document.login.username.focus();
}

function setOnKey(e){
	var keynum;
	var keychar;
	var numcheck;
	var newcheckbox;
	if(window.event) {    // IE
		keynum = e.keyCode;
	} else if(e.which) {  // Netscape/Firefox/Opera
		keynum = e.which;
	}
	if(keynum==32 || keynum==13) {
		document.login.REMEMBERME.checked=!document.login.REMEMBERME.checked;
		newcheckbox = document.getElementById("newcheckbox");
		if(Right(newcheckbox.src,5)=='1.gif'){
			newcheckbox.src='/images/0.gif';
		} else {
			newcheckbox.src='/images/1.gif';
		}
		newcheckbox.focus();
		return false;
	}
}


function setOnKeyff(e){
	var keynum;
	var keychar;
	var numcheck;
	var newcheckbox;
	if(window.event) {    // IE
		keynum = e.keyCode;
	} else if(e.which) {  // Netscape/Firefox/Opera
		keynum = e.which;
	}
	if(keynum==32 || keynum==13) {
		document.login.REMEMBERME.checked=!document.login.REMEMBERME.checked;
		newcheckbox = document.getElementById("newcheckbox");
		if(Right(newcheckbox.data,5)=='1.gif'){
			newcheckbox.data='/images/0.gif';
		} else {
			newcheckbox.data='/images/1.gif';
		}
		newcheckbox.focus();
		return false;
	}
}