/*************************************************************************
 * Change History:
 *
 * GE100228		Enhance javascript performance for function to update admin user and function to update content management 
 * 															10-25-2007 
 * GE100549 - Allow username and password to contain '@' and '.' characters
 *															12-11-2008   
 **************************************************************************/


function validateForm(form, noUsername, noPassword){
	var missing = "";
	if (form.username.value == ""){
		missing = noUsername;
	}
	if (form.password.value == ""){
		missing = missing + noPassword;
	}
	if (missing != ""){
		var ErrorMessage = document.getElementById('ErrorMessageDetail');
		ErrorMessage.innerHTML = missing;
		return false;
	}else{
		return true;
	}
}


function check(form)
{
	var message = ""
	var more_message = ""
	
	var x = form.elements.length - 1
	for (var i = 0; i <= x; i++)
	{
		if ( form.elements[i].name == null ) continue;	
		var messenger = form.elements[i].name.substring(0, 2)
		var fieldname = form.elements[i].name.substring(2)
		var error_message = form.elements[i].value;
		
		if (messenger == "r_")
			more_message = r_check(form,fieldname,error_message)
		else if (messenger == "n_")
			more_message = n_check(form,fieldname,error_message)
		else if (messenger == "f_")
			more_message = f_check(form,fieldname,error_message)
		else if (messenger == "e_")
			more_message = e_check(form,fieldname,error_message)
		
		if (more_message != "")
	    {
			if (message == "")
				message = more_message
			else
		        message = message + "\n" + more_message		        
			more_message = "";
	     }
	}	
		
	return message;
}	

function r_check(form,fieldname,error_message)
{
	var elem = findElement(form,fieldname);
	if (elem == null) 
		return error_message;		
	
	if ((elem.type == "radio" || elem.type == "checkbox"))
	{
		if (elem.checked == false)
			return error_message
	}
	else if (elem.type == "select-one")
	{
		var l = elem.selectedIndex		
		if (l < 0 || elem.options[l].value == "")
			return error_message
	}
	else if (elem.value.trim() == "")
		return error_message
		
	return ""
}
				
function n_check(form,fieldname,error_message)
{
	var elem = findElement(form,fieldname);
	if (elem == null) 
		return error_message;
		
	var inputStr = elem.value.toString()
	
	if (inputStr != "")
	{
		for (var c = 0; c < inputStr.length; c++)
		{
			var oneChar = inputStr.charAt(c)
			if (oneChar < "0" || oneChar > "9")
				return error_message
		}
	}
	
	return ""
}	
	

function e_check(form,fieldname,error_message)
{
	var elem = findElement(form,fieldname);
	if (elem == null)
		return error_message
	
	var inputStr = elem.value.toString()

	if (inputStr != "")
	{
	    if (elem.value.indexOf ('@', 0) < 3)
	    	return error_message
		else
	    {
	        var index = elem.value.indexOf('.', elem.value.indexOf ('@', 0))
			if (index == -1)
				return error_message
				
			var new_length = elem.value.length - index
	        if (new_length == 4 || new_length == 3 || (new_length >= 5 && elem.value.indexOf ('.', (index+1)) != -1))
	        	;
			else
				return error_message;
		}
	}
	
	return ""
}	


function f_check(form,fieldname,error_message)
{
	var elem = findElement(form,fieldname);
	if (elem == null) 
		return error_message;
		
	var inputStr = elem.value.toString()
	
	if (inputStr != "")
	{
		var val= parseFloat(inputStr);
		if(isNaN(val))
			return error_message;
	}
	
  	return "";
}
	
function findElement(form,fieldname)
{
	for (var y = 0; y < form.elements.length; y++)
	{
		if (form.elements[y].name == fieldname)
			return form.elements[y];
	}
	return null;
}

// create the prototype on the String object
String.prototype.trim = function() {

 // skip leading and trailing whitespace
 // and return everything in between
  var x=this;
  x=x.replace(/^\s*(.*)/, "$1");
  x=x.replace(/(.*?)\s*$/, "$1");
  return x;
}

/**
 * DHTML date validation script for dd/mm/yyyy. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year

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 isNumeric(s){
	var len = s.length;
		
	//empty string
	if ( s == "" ) return false;
	
	// is not Integer
	if ( !isInteger(s) ) return false;
	
	/*// it is a numeric
	if ( len == 1 ) return true;	
	if ( len > 1 && s.charAt(0) == 0 ) return false;
	*/
		
    // it is a numeric.
    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 isDateDDMMYYYY(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=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){
		return "dateFormatError";
	}
	if (strMonth.length<1 || month<1 || month>12){
		return "monthError";
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return "dayError";
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return "yearError";
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return "dateError";
	}
return "";
}

function isValidDate(yyyy,mm,dd)
{	
	return isDateDDMMYYYY(dd+dtCh+mm+dtCh+yyyy);
}

// valid char : [A..Z],[a..z],[0..9],-,_,.,@
function validCharacters(value)
{
	var char;
	var isValid = true;
	for (var i=0; i< value.length; i++)
	{
		char = value.substring(i,i+1);

		// GE100549 start				
		if ((char >= 'A' && char<= 'Z') || (char >= 'a' && char<= 'z') 
			|| (char >= '0' && char <= '9') || char == '-' || char == '_' 
			|| char == '.' || char == '@')
			;
		// GE100549 end			
 	    else
		   isValid = false;
	}	
	return isValid;
}

// GE100228 start
function form_check(form)
{
	var message = ""
	var more_message = ""		
	var x = form.elements.length - 1
	for (var i = 0; i <= x; i++)
	{
		if ( form.elements[i].name == null ) continue;
		var messenger = form.elements[i].name.substring(0, 2)
		var fieldname = form.elements[i].name.substring(2)
		var error_message = form.elements[i].value;
		
		if (messenger == "r_")
			more_message = required_check(form,fieldname,error_message)
		else if (messenger == "n_")
			more_message = number_check(form,fieldname,error_message)
		else if (messenger == "f_")
			more_message = float_check(form,fieldname,error_message)
		else if (messenger == "e_")
			more_message = email_check(form,fieldname,error_message)
		else if (messenger == "p_")
			more_message = email_check(form,fieldname,error_message)
		
		if (more_message != "")
	    {
			if (message == "")
				message = more_message
			else
		        message = message + "\n" + more_message		        
			more_message = "";
	     }
	}	
		
	return message;
}
	
function required_check(elem,error_message) // where elem is a element of a form of a webpage document
{
	if (elem == null) 
		return error_message;		
	
	if ((elem.type == "radio" || elem.type == "checkbox"))
	{
		if (elem.checked == false)
			return error_message
	}
	else if (elem.type == "select-one")
	{
		var l = elem.selectedIndex		
		if (l < 0 || elem.options[l].value == "")
			return error_message
	}
	else if (elem.value.trim() == "")
		return error_message
		
	return ""
}

function number_check(elem,error_message) // where elem is a element of a form of a webpage document
{

	if (elem == null) 
		return error_message;
		
	var inputStr = elem.value.toString()

	if (inputStr != "")
	{
		for (var c = 0; c < inputStr.length; c++)
		{
			var oneChar = inputStr.charAt(c)
			if (oneChar < "0" || oneChar > "9")
				return error_message
		}
	}
	
	return ""
}	

function email_check(elem,error_message) // where elem is a element of a form of a webpage document
{ 
	if (elem == null)
		return error_message
	
	var inputStr = elem.value.toString()

	if (inputStr != "")
	{
	    if (elem.value.indexOf ('@', 0) < 2)
	    	return error_message
		else
	    {
	        var index = elem.value.indexOf('.', elem.value.indexOf ('@', 0))
			if (index == -1)
				return error_message
				
			var new_length = elem.value.length - index
	        if (new_length == 4 || new_length == 3 || (new_length >= 5 && elem.value.indexOf ('.', (index+1)) != -1))
	        	;
			else
				return error_message;
		}
	}
	
	return ""
}	

function float_check(elem, error_message ) // where elem is a element of a form of a webpage document
{
	var inputStr = elem.value.toString()	
	if (inputStr != "")
	{
		var val= parseFloat(inputStr);
		if(isNaN(val))
			return error_message;
	}
	
  	return "";
}
//GE100228 end