function postToSAMLsession(path, params, method) 
{     
	method = method || "post"; 
	// Set method to post by default, if not specified.      
	var form = document.createElement("form");     
	form.setAttribute("method", method);     
	form.setAttribute("action", path);  
	form.setAttribute("target", "_samlSessionIFrame");
	    
	for(var key in params) {         
		var hiddenField = document.createElement("input");         
		hiddenField.setAttribute("type", "hidden");         
		hiddenField.setAttribute("name", key);         
		hiddenField.setAttribute("value", params[key]);          
		form.appendChild(hiddenField);     
	}      

	document.body.appendChild(form);     
	form.submit();
}

function saml_callback(AuthStatus)
{
	if (AuthStatus == "true") {
	    //Refresh parent window   
	    parent.location.reload();
	}
	
}

function saml_http_callback(AuthStatus) {   
        if (AuthStatus == "true") {
            //Refresh parent window   
            parent.location.reload();
        }
}

//***************************************************************
//LogOut

function saml_logout() {
    try {
        var u = parent.document.URL;
        var a = u.substring(u.indexOf('?') + 1, u.length);

        var samlUrl = "/profile/samllogoutrequest.epx?";
        if (window.location.protocol != "https:") {
            if (typeof SECURE_HOST_NAME != 'undefined') {
                samlUrl = SECURE_HOST_NAME + samlUrl;
            }
        } 

        var samluid = new Array();
        createIframe();
        postToSAMLsession(samlUrl + a + "&BHEQK=1", samluid, "post");
        return true;
    }
    catch (e) {
        alert(e.Message);
    }
}

function saml_logout_callback(saml_npc_message) {
	try{
	    if (typeof npc_log_out != 'undefined') {
	        npc_log_out();
	    }
	}
	catch(e){
		alert(e.Message);
		if (typeof npc_log_out != 'undefined') {
		    npc_log_out();
		}
	}
}


//***************************************************************

//Check Session: Step 1
function verifyCpsLogin()
{
	var cps_Login_Cookie = null;
	try {
        
	    cps_Login_Cookie = get_saml_cookie("NPC_CPS_SESSION");
	    if (cps_Login_Cookie == null)
		{
		    //Make SAML call
		    set_saml_session_cookie("NPC_CPS_SESSION", "xxxxxx", 1);
		    createIframe();
			trycpsLogin();
		}
	}
	catch(e) {
		alert(e.InnerException);		
	}
}

//Check Session: Step 2:
function trycpsLogin()
{
    var samlupwd = new Array();
	samlupwd["userid"] = "";
	samlupwd["password"] = "";
	var samlUrl = "/profile/samlverifylogin.epx?kNtBzmUK9zU=1&BHEQK=1";
	if (typeof SECURE_HOST_NAME != 'undefined') {
	    samlUrl = SECURE_HOST_NAME + samlUrl;
	}
	postToSAMLsession(samlUrl, samlupwd, "post");	
	return true;
}

//Call Begins here upon every page load
$(document).ready(function () {
    if (window.location.href.indexOf("country-selector.epx") == -1 && window.location.href.indexOf("logout.epx") == -1) {
        verifyCpsLogin();
    }
});

//**************************************************************************************************
//Utility Functions

function add_session_input_field(form_object, field_type, field_name, field_value) {
    if (form_object) {
        var input = document.createElement('INPUT');
        if (document.all) {
            input.type = field_type;
            input.name = field_name;
            input.value = field_value;
        } else if (document.getElementById) {
            input.setAttribute('type', field_type);
            input.setAttribute('name', field_name);
            input.setAttribute('value', field_value);
            input.setAttribute('id', field_name);
        }
        form_object.appendChild(input);
    }
}


function set_saml_session_cookie(name, value, expdays) {
    var domain = "";

    if (typeof CookieDomain != "undefined")
        domain = CookieDomain;

    if (domain == "" && location.hostname.indexOf("sap.com") > -1)
        domain = "";

    var cv = name + "=" + value + "; path=/";

    if (domain != "")
        cv += "; domain=" + domain;

    //var expdate = new Date();
    //expdate.setDate(expdate.getDate() + expdays);
    //cv += ((expdays == null) ? "" : "; expires=" + expdate.toUTCString());

    document.cookie = cv;
}

function get_saml_cookie(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg) {
            return getCookieVal(j);
        }
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break;
    }
    return null;
}

function getCookieVal(offset) {
    var endstr = document.cookie.indexOf(";", offset);
    if (endstr == -1) { endstr = document.cookie.length; }
    return unescape(document.cookie.substring(offset, endstr));
}

function createIframe() {
    try {
        $('<iframe width="0px" height="0px" border="0px" id="_samlSessionIFrame" name="_samlSessionIFrame">').appendTo('body');
    }
    catch (e) {
        alert(e.Message);
    }
}

//End: Utility Functions
//**************************************************************************************************