/***************************************Sleep function**********************************************/
function sleep(millisSeconds)  {
	var startTime = new Date().getTime();
	while(new Date().getTime() <  startTime + millisSeconds);
}
/***************************************Login page**********************************************/
function loginSubmit()	{
	document.getElementById("action").value = "userLogin";
	document.getElementById("actionCode").value = "login";
	document.loginForm.submit();
}

function fillBox()	{
	if(document.getElementById("passwordEmail").value == '')	{
		document.getElementById("passwordEmail").value = "Enter your User Id";
	}
}

function clearBox()	{
	if(document.getElementById("passwordEmail").value == "Enter your User Id")	{
		document.getElementById("passwordEmail").value = "";
	}
}

function forgotPassword()	{
	document.getElementById("action").value = "userLogin";
	document.getElementById("actionCode").value = "forgotPassword";
	document.loginForm.submit();
}

function toUserRegistrationPage()	{
	document.getElementById("action").value = "userLogin";
	document.getElementById("actionCode").value = "userRegistration";
	document.loginForm.submit();
}
/**********************************User registration page *************************************/
function validateUserRegistration(registerOrUpdate)	{
	var userIdReg = document.getElementById("userId").value;
	var flag = true;
	if(userIdReg == "") 	{
		document.getElementById("userIdError1").value = "Email id cannot be blank";
		flag = false;
	} else if((userIdReg.indexOf("@") == -1)  || (userIdReg.indexOf("@") == 0) || (userIdReg.indexOf("@") == userIdReg.length - 1) )	{
		document.getElementById("userIdError1").value = "Your email address will be used as your user id.";
		document.getElementById("userIdError2").value = "Please enter a valid email address.";
		flag = false;
	} else if((userIdReg.indexOf(".") == -1)  || (userIdReg.indexOf(".") == 0) || (userIdReg.indexOf(".") == userIdReg.length - 1) )	{
		document.getElementById("userIdError1").value = "Your email address will be used as your user id.";
		document.getElementById("userIdError2").value = "Please enter a valid email address.";
		flag = false;
	} else if((userIdReg.indexOf("@.") > -1))	{
		document.getElementById("userIdError1").value = "Your email address will be used as your user id.";
		document.getElementById("userIdError2").value = "Please enter a valid email address.";
		flag = false;
	}	else	{
		document.getElementById("userIdError1").value = "";
	}
	
	var userNameFirst = document.getElementById("userNameFirst").value;
	if(userNameFirst == "") 	{
		document.getElementById("userNameFirstError").value = "First name cannot be blank";
		flag = false;
	} else	if(checkOnlyForAlpha(userNameFirst) == false)	{
			document.getElementById("userNameFirstError").value = "First name can contain only characters.";
			flag = false;
	}	else	{
		document.getElementById("userNameFirstError").value = "";
	}
	
	var userNameLast = document.getElementById("userNameLast").value;
	if(userNameLast == "") 	{
		document.getElementById("userNameLastError").value = "Last name cannot be blank";
		flag = false;
	} else	if(checkOnlyForAlpha(userNameLast) == false)	{
			document.getElementById("userNameLastError").value = "Last name can contain only characters.";
			flag = false;
	} else	{
		document.getElementById("userNameLastError").value = "";
	}
	
	var password = document.getElementById("password").value;
	if(password == "") 	{
		document.getElementById("passwordError").value = "Password cannot be blank";
		flag = false;
	} else	 if(password.length < 6)	{
			document.getElementById("passwordError").value = "Password must be 6 or more characters long.";
			flag = false;
	}	else	{
		document.getElementById("passwordError").value = "";
	}
	var affiliation = document.getElementById("affiliation").value;
	if(affiliation == "") 	{
		document.getElementById("affiliationError").value = "Affiliation cannot be blank";
		flag = false;
	}	else	{
		document.getElementById("affiliationError").value = "";
	}
	if(flag ==true)	{
		document.getElementById("action").value = "userRegistration";
		if(registerOrUpdate == "register")	{
			document.getElementById("actionCode").value = "register";
		} else	{
			document.getElementById("actionCode").value = "update";
		}
		document.forms[0].submit();
	} else	{
		return;
	}
}
/***************************************Profile page***************************/
function deleteUser()	{
		document.getElementById("action").value = "userRegistration";
		document.getElementById("actionCode").value = "delete";
		document.forms[0].submit();
}
/***************************************Welcome page***************************/
function logout()	{
	document.getElementById("action").value = "userLogin";
	document.getElementById("actionCode").value = "logout";
	document.forms[0].submit();
}

function toWelcomePage()	{
	document.getElementById("action").value = "userWelcome";
	document.getElementById("actionCode").value = "home";
	document.forms[0].submit();
}
function deleteThread(threadNoToBeDeleted)	{
	document.getElementById("action").value = "userWelcome";
	document.getElementById("actionCode").value = "deleteThread";
	document.getElementById("threadNoToBeDeleted").value = threadNoToBeDeleted;
	document.forms[0].submit();
}
function toProfilePage()	{
	document.getElementById("action").value = "userWelcome";
	document.getElementById("actionCode").value = "profile";
	document.forms[0].submit();
}

function toManageUsersPage()	{
	document.getElementById("action").value = "userWelcome";
	document.getElementById("actionCode").value = "users";
	document.forms[0].submit();
}

function toSendEmailPage()	{
	document.getElementById("action").value = "userWelcome";
	document.getElementById("actionCode").value = "mailUsers";
	document.forms[0].submit();
}
function loadThread(threadNo)	{
	document.getElementById("threadNo").value = threadNo;
	document.getElementById("action").value = "threadConversation";
	document.getElementById("actionCode").value = "loadThread";
	document.forms[0].submit();
}
/***************************************Thread conversation page***************************/
function threadReplyPopup()	{
	window.open("threadReplyPopup.jsp", "threadReplyPopup", 
		'width=700,height=470,scrollbars=1,left=50,top=100,location=0,resizable=0,menubar=0,locationbar=0');
}
function createNewThreadPopup()	{
	window.open("createNewThread.jsp", "createNewThreadPopup", 
		'width=700,height=470,scrollbars=1,left=50,top=100,location=0,resizable=0,menubar=0,locationbar=0');
}
/***************************************Send email page***************************/
function loadEmailIdsOfUsersTo()	{
	window.open("APProject.do?action=emailDispatch&actionCode=loadEmailIds&listToBePopulated=To", "emailIdListTo", 
		'width=675,height=510,left=50,top=100,location=0,resizable=0,scrollbars=1,menubar=0,locationbar=0');
}
function loadEmailIdsOfUsersCC()	{
	window.open("APProject.do?action=emailDispatch&actionCode=loadEmailIds&listToBePopulated=CC", "emailIdListCC", 
		'width=675,height=510,left=50,top=100,location=0,resizable=0,menubar=0,scrollbars=1,locationbar=0');
}
function populateParentToList()	{
	opener.document.manageUsersForm.mailToList.value += buildEmailList();
	window.close();
}
function populateParentCCList()	{
	opener.document.manageUsersForm.mailCCList.value += buildEmailList();
	window.close();
}
function buildEmailList()
{
	var checkboxList = document.forms[0].emailIds;
	if(document.forms[0].emailIdsUpd != undefined)	{
		var checkboxListUpd = document.forms[0].emailIdsUpd;
	}	
	var emailList = "";
	for (var x=0; x < checkboxList.length; x++)   {
	  	if (checkboxList[x].checked)
	      {
	      	emailList = emailList + checkboxList[x].value + ",";
	      }
    }
	if(document.forms[0].emailIdsUpd != undefined)	{
			if(checkboxListUpd.length == undefined)	{
				emailList = emailList + checkboxListUpd.value + ",";
			} else	{
			for (var y=0; y < checkboxListUpd.length; y++)   {
		  		if (checkboxListUpd[y].checked)	{
		      		emailList = emailList + checkboxListUpd[y].value + ",";
		      	}
			}
		}
	}
    return emailList.substring(0, emailList.length - 1) ;
}
function sendEmail()	{
	if(document.getElementById("mailToList").value == '')	{
		document.getElementById("messageBox").value = "To list cannot be empty";
		return;
	}
	if(document.getElementById("mailSubject").value == '')	{
		document.getElementById("messageBox").value = "Subject cannot be blank";
		return;
	}
	if(document.getElementById("mailMessage").value == '')	{
		document.getElementById("messageBox").value = "Message cannot be blank";
		return;
	}
	document.getElementById("action").value = "emailDispatch";
	document.getElementById("actionCode").value = "sendEmail";
	document.forms[0].submit();
}
/*************************************** Mailing list popup***************************/
function sortEmailIdList(strField)	{
	document.getElementById("action").value = "emailDispatch";
	document.getElementById("actionCode").value = "sortEmailIdList";
	if(document.getElementById("strSortOrder").value == "descending")
		document.getElementById("strSortOrder").value = "ascending";
	else
		document.getElementById("strSortOrder").value = "descending";
	document.getElementById("sortEmailIdListByField").value = strField;
	document.forms[0].submit();
	
}
function selectAllRows()	{
	var checkboxList = document.forms[0].emailIds;
	var checkboxListUpd = document.forms[0].emailIdsUpd;
	for (i = 0; i < checkboxList.length; i++)
		checkboxList[i].checked = true ;
	if(checkboxListUpd.length == undefined)	{
		document.forms[0].emailIdsUpd.checked = true;
	} else	{
		for (j = 0; j < checkboxListUpd.length; j++)
			checkboxListUpd[j].checked = true ;
	}
}
function deselectAllRows()	{
	var checkboxList = document.forms[0].emailIds;
	var checkboxListUpd = document.forms[0].emailIdsUpd;
	for (k = 0; k < checkboxList.length; k++)
		checkboxList[k].checked = false ;
	if(checkboxListUpd.length == undefined)	{
		document.forms[0].emailIdsUpd.checked = false;
	} else	{
		for (j = 0; j < checkboxListUpd.length; j++)
			checkboxListUpd[j].checked = false ;
	}
}
function selectAllUpdRows()	{
	var checkboxListUpd = document.forms[0].emailIdsUpd;
	if(checkboxListUpd.length == undefined)	{
		document.forms[0].emailIdsUpd.checked = true;
	} else	{
		for (j = 0; j < checkboxListUpd.length; j++)
			checkboxListUpd[j].checked = true ;
	}
}
/*************************************** Create new thread popup***************************/
function createNewThread()	{
	document.getElementById("action").value = "threadConversation";
	document.getElementById("actionCode").value = "createNewThread";
	document.forms[0].submit();
	//window.opener.location.reload();
	window.close();
	sleep(1000);
	parent.window.opener.document.getElementById("action").value = "userWelcome";
	parent.window.opener.document.getElementById("actionCode").value = "home";
	parent.window.opener.document.forms[0].submit();
}
/*************************************** Thread reply popup *******************************/
function appendThreadReply(threadNo)	{
	document.getElementById("action").value = "threadConversation";
	document.getElementById("actionCode").value = "appendThreadReply";
	document.forms[0].submit();	
	//window.opener.location.href = "threadConversation.jsp";
	//parent.window.location = parent.window.location;
	//window.opener.forms[0].submit();
	//parent.window.opener.location.href = "welcome.jsp";
	//parent.window.opener.document.getElementById("action").value = "userWelcome";
	//parent.window.opener.document.getElementById("actionCode").value = "home";
	//parent.window.opener.document.forms[0].submit();
	//window.location.reload();
	window.close();
	sleep(1000);
	parent.window.opener.document.getElementById("threadNo").value = threadNo;
	parent.window.opener.document.getElementById("action").value = "threadConversation";
	parent.window.opener.document.getElementById("actionCode").value = "loadThread";
	parent.window.opener.document.forms[0].submit();
}
function deleteThreadReply(strReplyToDelete)	{
	document.getElementById("action").value = "threadConversation";
	document.getElementById("actionCode").value = "deleteThreadReply";
	document.getElementById("strReplyToDelete").value = strReplyToDelete;
	document.forms[0].submit();
}
/*************************************** Manage users page ***************************/
function loadUserProfile(strUserId)	{
	document.getElementById("action").value = "userProfile";
	document.getElementById("actionCode").value = "loadUserProfile";
	document.getElementById("userId").value = strUserId;
	document.forms[0].submit();
}
var req;
function populateMatchingUsers() {
   var userSearchInput = document.getElementById("userSearchInput");
   var url = "APProject.do?userSearchInput=" + encodeURIComponent(userSearchInput.value);
   if (typeof XMLHttpRequest != "undefined") {
       req = new XMLHttpRequest();
   } else if (window.ActiveXObject) {
       req = new ActiveXObject("Microsoft.XMLHTTP");
   }
   req.open("GET", url, true);
   req.onreadystatechange = callback;
   req.send(null);
}

function sortUsersListByField(strField)	{
	document.getElementById("action").value = "userProfile";
	document.getElementById("actionCode").value = "sortUsersListByName";
	document.getElementById("strFieldToBeSortedOn").value = strField;
	if(document.getElementById("strSortOrder").value == "descending")
		document.getElementById("strSortOrder").value = "ascending";
	else
		document.getElementById("strSortOrder").value = "descending";
	document.forms[0].submit();
}
/***************************************Common javascript methods***************************/
function checkOnlyForAlpha(strInput)	{
	var flag = true;
	for(i = 0; i < strInput.length; i++)	{
		if((strInput.charAt(i) >= 'a' && strInput.charAt(i) <= 'z') ||
			 (strInput.charAt(i) >= 'A' && strInput.charAt(i) <= 'Z') || 
			 	(strInput.charAt(i) >= '0' && strInput.charAt(i) <= '9'))	{
		}
		else	{
			flag = false;
		}
	}
	return flag;
}