var req;
var frm;
function submitfrmLogin (obj) {
    frm = obj;
    if(trim(frm.email.value)=="") {
        alert("Please enter username");
        setfocus(frm.email);
    } else if(trim(frm.user_pwd.value)=="") {
        alert("Please enter password");
        setfocus(frm.user_pwd);
    } else {
        var req1 = new XMLHttpRequest();
        req1.onreadystatechange = function ()
        {
            if (req1.readyState == 4) {
                if (req1.status == 200) { //alert(req1.responseText);
                    if(trim(req1.responseText)!="") { 
                        if(parseInt(req1.responseText, 8) == 1 || parseInt(req1.responseText, 8) == 0 || parseInt(req1.responseText, 8) == 2  || req1.responseText != "Invalid username and/or password") {
                            if(parseInt(req1.responseText, 8) == 1)
                                document.location.href="instructions.php";
                            else if ((parseInt(req1.responseText, 8) == 0))
                                document.location.href="welcome_letter.php";
							else if ((parseInt(req1.responseText, 8) == 2))
                                document.location.href="terms_condition.php";
							else
								document.location.href=req1.responseText;
                        } else {
                            alert(req1.responseText);
                        }
                    } 
                } else {
                    alert("Error: while trying to login to administration console, please try again");
                }
            }
        }
        var pars = "college_id=" + frm.col_id.value +"&email=" + escape(frm.email.value) + "&password=" + escape(frm.user_pwd.value)+ "&remember=" + escape(frm.remember.value);
        req1.open("GET", "college_login.process.php?" + pars, true);
        req1.send("");
    }
    return false;
}