/**
 * ADD DORA FOR CEV2-05-12-10 
 * Support extend session in security, and change the popup window to div.
 */
var sessionLife = "";      //session life cycle-1min
var sessionCouter = null;  //session counter
var CountdownNum = 30;     //count number on layer
var subTimer = null;       //session count down
//APPEND EXTEND SESSION LISTENER
function  sessionListener(){
	var actionUrl = "../servlets/WSTrxManager?_TRX_STATUS=SESSION_LIFE_CYCLE&MOTION_TYPE=INIT";
	actionUrl = encodeUrl(actionUrl);
 	sendRequestByAjaxPost(actionUrl, true,iTimeBack);
}
function iTimeBack(xmlhttp){
	var iTime = xmlhttp.responseText;
	sessionLife = iTime;
	if(sessionLife){
		sessionCouter = setTimeout("SYS_DrewExtendLayer(" + sessionLife + ")", sessionLife);
	}
}
function SYS_DrewExtendLayer(sessionTime){
	drewExtendSessionLayer();
	drewCover();
	//SET COUNTDOWN
	couterCal();
}
//drew cover layer
function drewCover(){
	var oCoverDiv = document.createElement("div");
	oCoverDiv.className = "CoverDiv";
	oCoverDiv.id = "CoverLayer";
	var sStyle = "height:" + getDocHeight() + "px";
	oCoverDiv.setAttribute("style",sStyle);
	document.body.appendChild(oCoverDiv);
}
//drea extend session layer
function drewExtendSessionLayer(){
	rmErrMsg();
	//FLOAT LAYER
	var floatLayerDIV =  document.createElement("div");
	floatLayerDIV.id = "floatLayerDIV";
	floatLayerDIV.className = "floatLayerDIV";
	
	//HEADER
	var layerHeader = document.createElement("div");
	layerHeader.id = "layerHeader";
	layerHeader.className = "layerHeader";
	var headerH3 = document.createElement("h3");
	headerH3.innerHTML = "Warning";
	layerHeader.appendChild(headerH3);
	floatLayerDIV.appendChild(layerHeader);
	
	//HR
	var hr = document.createElement("hr");
	floatLayerDIV.appendChild(hr);
	
	//MIAN
	var layerMain = document.createElement("div");
	layerMain.id = "layerMain";
	layerMain.className = "layerMain";
	if(typeof(SYS_FUNCTION_TYPE)!="undefined" && (SYS_FUNCTION_TYPE == "MM" || SYS_FUNCTION_TYPE == "PM" || SYS_FUNCTION_TYPE == "EC" )){
		layerMain.innerHTML = "Your session is about to time out. Your transaction details will be saved and you will be logged out in  ";
	}else{
		layerMain.innerHTML = "Your session is about to time out. You will be logged out in  ";
	}
	var countSpan = document.createElement("span");
	countSpan.id = "countNum";
	countSpan.innerHTML = CountdownNum ;
	layerMain.appendChild(countSpan);
	var secondSpan = document.createElement("span");
	secondSpan.innerHTML = " seconds.";
	layerMain.appendChild(secondSpan);
	
	var br1 = document.createElement("br");
	layerMain.appendChild(br1);
	var br2 = document.createElement("br");
	layerMain.appendChild(br2);
	
	var descSpan = document.createElement("span");
	descSpan.innerHTML = " To extend your session, please click Extend. ";
	layerMain.appendChild(descSpan);
	floatLayerDIV.appendChild(layerMain);
	
	//FOOT
	var layerFoot = document.createElement("div");
	layerFoot.id = "layerFoot";
	layerFoot.className = "layerFoot";
	// CONTINUE BUTTON
	var continueBTN = document.createElement("input");
	continueBTN.type = "button";
	continueBTN.value = "Extend";
	attachObjEvent(continueBTN, "onclick", eval("toExtendSession"));	
	continueBTN.className = "prim";
	layerFoot.appendChild(continueBTN);
	floatLayerDIV.appendChild(layerFoot);
	document.body.appendChild(floatLayerDIV);
}
//calculate countdown
function couterCal(){
	subTimer  = setInterval("subTimes($('#countNum').html())", 1000);
}
//decrease count number
function subTimes(curSecond){
	if( parseInt(curSecond) > 0 ){
		var tempSecond = parseInt(curSecond) - 1;
		$("#countNum").html(tempSecond);
	}else{
		 clearInterval(subTimer);
		 removeLayer();
		 if(typeof(SYS_FUNCTION_TYPE)!="undefined" && (SYS_FUNCTION_TYPE == "MM" || SYS_FUNCTION_TYPE == "PM" || SYS_FUNCTION_TYPE == "EC" )){
			_save_onclick(true);
		 }else{
			SYS_CE_LOGOUT(false);
		 } 
	}
}
//RESERT SESSION COUNTER WHEN CONTINUE AND SEND OTHER REQUEST
function restartSessionCounter(){
	removeLayer();
	if (sessionCouter) {
        clearTimeout(sessionCouter);
    }
	if (sessionLife) {
		sessionCouter = setTimeout("SYS_DrewExtendLayer(" + sessionLife + ")", sessionLife);
    }
}
function resetSubTimer(){
	if (subTimer) {
        clearTimeout(subTimer);
    }
	if($('#countNum').html()){
		subTimer  = setInterval("subTimes($('#countNum').html())", 1000);
	}
}
//remove extend session float layer
function removeLayer(){
	rmNode("CoverLayer");
	rmNode("floatLayerDIV");
}
//when click CONTINUE button to extend session
function continueSession(){
	clearInterval(subTimer);
	restartSessionCounter();
}
function toExtendSession(){
	var actionUrl = "../servlets/WSTrxManager?_TRX_STATUS=SESSION_LIFE_CYCLE&MOTION_TYPE=EXTEND";
	actionUrl = encodeUrl(actionUrl);
 	sendRequestByAjaxPost(actionUrl, true);
}

function getDocHeight() {
    var D = document;
    return Math.max(
    Math.max(D.body.scrollHeight, D.documentElement.scrollHeight),
    Math.max(D.body.offsetHeight, D.documentElement.offsetHeight),
    Math.max(D.body.clientHeight, D.documentElement.clientHeight));
}
//END DORA FOR CEV2-05-12-10