// admin form validation

// val for login
function valchangelogin(form) {
	if (document.forms[0].username.value.length==0 || document.forms[0].username.value.length < 5)
	{
	alert('Please enter a Username that is atleast 5 characters long.');
	document.forms[0].username.focus();
	return (false);
	}

	if (document.forms[0].pass.value.length==0 || document.forms[0].pass.value.length < 5)
	{
	alert('Please enter a Password that is atleast 5 characters long.');
	document.forms[0].pass.focus();
	return (false);
	}

	if (document.forms[0].passconf.value.length==0)
	{
	alert('Please confirm your password.');
	document.forms[0].passconf.focus();
	return (false);
	}

	if (document.forms[0].pass.value != document.forms[0].passconf.value)
	{
	alert('Your passwords do not match. Try Again.');
	document.forms[0].pass.focus();
	return (false);
	}
else return true;
}

// val for login
function vallogin(form) {
if (document.forms[0].u.value.length==0)
	{
	alert('Please enter your Username.');
	document.forms[0].u.focus();
	return (false);
	}

	if (document.forms[0].p.value.length==0)
	{
	alert('Please enter your password.');
	document.forms[0].p.focus();
	return (false);
	}
else return true;
}

// val for news
function valnews(form) {
	if (document.forms[0].title.value.length==0)
	{
	alert('Please enter the Title for the News item.');
	document.forms[0].title.focus();
	return (false);
	}

	if (document.forms[0].content.value.length==0)
	{
	alert('Please enter some content.');
	document.forms[0].content.focus();
	return (false);
	}

else return true;
}


// val for content detail
function valcontentdetail(form) {
	if (document.forms[0].title.value.length==0)
	{
	alert('Please enter the Title for the Section of this Page.');
	document.forms[0].title.focus();
	return (false);
	}

	if (document.forms[0].content.value.length==0)
	{
	alert('Please enter some content.');
	document.forms[0].content.focus();
	return (false);
	}

else return true;
}

// val for content
function valcontent(form) {



	if (document.forms[0].name.value.length==0)
	{
	alert('Please enter the Name of the Page.');
	document.forms[0].name.focus();
	return (false);
	}

	if (document.forms[0].title.value.length==0)
	{
	alert('Please enter the Title for the page.');
	document.forms[0].title.focus();
	return (false);
	}

	if (isProper(document.forms[0].name.value) == false)
	{
	alert('The name of the page can not contain any spaces or special characters.\n Please Try Again.');
	document.forms[0].name.focus();
	return (false);
	}


else return true;
}

function isProper(string) {

   if (!string) return false;
   var iChars = "*|,\":<>[]{}`\';()@&$#%\\ ?";

   for (var i = 0; i < string.length; i++) {
      if (iChars.indexOf(string.charAt(i)) != -1)
         return false;
   }
   return true;
}

// val for staff
function valstaff(form) {
	if (document.forms[0].first_name.value.length==0)
	{
	alert('Please enter the user\'s First Name.');
	document.forms[0].first_name.focus();
	return (false);
	}

	if (document.forms[0].last_name.value.length==0)
	{
	alert('Please enter the user\'s Last Name.');
	document.forms[0].last_name.focus();
	return (false);
	}

	if (document.forms[0].utype.selectedIndex==0)
	{
	alert('Please select the user\'s type.');
	document.forms[0].utype.focus();
	return (false);
	}

	if (document.forms[0].ugroup.selectedIndex==0)
	{
	alert('Please select the user\'s group assignment.');
	document.forms[0].ugroup.focus();
	return (false);
	}

else return true;
}


//val for newsletter upload
function valnewsletter(form) {
	if (document.forms[0].title.value.length==0)
	{
	alert('Please enter a Title for the Newsletter.');
	document.forms[0].title.focus();
	return (false);
	}

	if (document.forms[0].newsletterdate.value.length==0)
	{
	alert('Please enter a Date for the Newsletter.');
	document.forms[0].newsletterdate.focus();
	return (false);
	}

	if (document.forms[0].binnewsletter.value.length==0)
	{
	alert('Please select a PDF from your hard drive.');
	return (false);
	}

	if (isDate(document.forms[0].newsletterdate.value)==false)
	{
		document.forms[0].newsletterdate.focus()
		return false
	}

else return true;
}


function confirmDeleteGeneric()
{
var agree=confirm("Are you sure you want to permanently remove this item?");
if (agree)
return true ;
else
return false ;
}

function TR_OnMouseOver(srcEle) {
if (srcEle.style.backgroundColor != "highlight")
srcEle.style.backgroundColor = "lightgray";
}
function TR_OnMouseOut(srcEle) {
if (srcEle.style.backgroundColor == "lightgray")
srcEle.style.backgroundColor = "";
}



// date validation
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}