/* Apply Text box CSS and Error Text Box CSS */

function resetTextBoxCSS(object)
{
	object.style.border='1px solid #7f9db9';
	object.style.background='#ffffff';
}
function applyErrorTextBoxCSS(object)
{
	object.style.border='1px solid red';
	object.style.background='#FFDDDD';
}


//********************* Start of Registration Form validation *****************************
function ValidateForm(check)
{
	errorDetails = '';
	errorControl = '';
	resetTextBoxCSS(check.textfield);
	resetTextBoxCSS(check.textfield4);
	resetTextBoxCSS(check.textfield5);
	resetTextBoxCSS(check.textfield6);		//email

	resetTextBoxCSS(check.dayDob);
	resetTextBoxCSS(check.monthDob);
	resetTextBoxCSS(check.yearDob);
	
	resetTextBoxCSS(check.location);
	resetTextBoxCSS(check.textfield11)
	resetTextBoxCSS(check.textfield2)
	resetTextBoxCSS(check.textfield12)		//retype
	resetTextBoxCSS(check.code)
	
	if (check.textfield.value == "")
	{
		applyErrorTextBoxCSS(check.textfield);
		if (errorDetails == '')
		{
			errorControl = check.textfield;
		}
		errorDetails = errorDetails + " - Member name field cannot be blank\n";
		
	}
	if (check.textfield4.value == "")
	{
		applyErrorTextBoxCSS(check.textfield4);
		if (errorDetails == '')
		{
			errorControl = check.textfield4;
		}
		errorDetails = errorDetails + " - First name field cannot be blank\n";
		
	}
	if (check.textfield5.value == "")
	{
		applyErrorTextBoxCSS(check.textfield5);
		if (errorDetails == '')
		{
			errorControl = check.textfield5;
		}
		errorDetails = errorDetails + " - Last name field cannot be blank\n";
		
	}
	
	if (check.textfield6.value == "")
	{
		applyErrorTextBoxCSS(check.textfield6);
		if (errorDetails == '')
		{
			errorControl = check.textfield6;
		}
		errorDetails = errorDetails + " - The Email field cannot be blank\n";
	}
	if (isValidEmail(check.textfield6.value)==false)
	{
		applyErrorTextBoxCSS(check.textfield6);
		if (errorDetails == '')
		{
			errorControl = check.textfield6;
		}
		errorDetails = errorDetails + " - Please enter a valid email address\n";
	}
	
	var dt=check.monthDob.value +"/" + check.dayDob.value + "/" + check.yearDob.value
	var returnDateValidation = isDate(dt);
	if (returnDateValidation !="true")
	{
		applyErrorTextBoxCSS(check.dayDob);
		applyErrorTextBoxCSS(check.monthDob);
		applyErrorTextBoxCSS(check.yearDob);
		if (errorDetails == '')
		{
			errorControl = check.dayDob;
		}
		errorDetails = errorDetails + " - The Date of birth is not valid (" + returnDateValidation + ")\n";
	}    
	
	if (check.location.value == "")
	{
		applyErrorTextBoxCSS(check.location);
		if (errorDetails == '')
		{
			errorControl = check.location;
		}
		errorDetails = errorDetails + " - The Location field cannot be blank\n";
		
	}
	if (check.textfield11.value == "")
	{
		applyErrorTextBoxCSS(check.textfield11);
		if (errorDetails == '')
		{
			errorControl = check.textfield11;
		}
		errorDetails = errorDetails + " - The Zip/Postcode field cannot be blank\n";
		
	}
	if (check.textfield2.value == "")
	{
		applyErrorTextBoxCSS(check.textfield2);
		if (errorDetails == '')
		{
			errorControl = check.textfield2;
		}
		errorDetails = errorDetails + " - The Password field cannot be blank\n";
		
	}
	
	if (check.textfield2.value != check.textfield12.value)
	{
		applyErrorTextBoxCSS(check.textfield12);
		if (errorDetails == '')
		{
			errorControl = check.textfield12;
		}
		errorDetails = errorDetails + " - The Password field doesn't match, please try again\n";
		
	}
	if (check.code.value == "")
	{
		applyErrorTextBoxCSS(check.code);
		if (errorDetails == '')
		{
			errorControl = check.code;
		}
		errorDetails = errorDetails + " - The captcha code field cannot be blank\n";
		
	}
	
	if (errorDetails == '')
	{
		return true;
	}
	else
	{
		alert('To submit the form you need to enter the following mandatory fields \n' + errorDetails);
		if (errorControl != '')
			errorControl.focus();
			
		return false;
	}
}

//********************* End of Registration Form validation *****************************

//********************* Start of Ajax User Checking *****************************
var req_register;
var user_name = "";

function checkUser()
{
	var input_user = new getObj("textfield");
	var obj = new getObj("div_sorry_message");
	if (input_user.obj)
	{
		if (input_user.obj.value != '')
		{
			var illegalChars = /\W/;
			if (illegalChars.test(input_user.obj.value)) 
			{				
				// allow only letters, numbers, and underscores
				obj.obj.innerHTML = "<font color='#FF0000'>The username can only contain letters, numbers and underscores(_)</font><br />";
				input_user.obj.focus();
			} 
			else if (input_user.obj.value.length < 4)
			{
				obj.obj.innerHTML = "<font color='#FF0000'>The Username field should be more than 4 characters - please re-enter</font><br />";
				input_user.obj.focus();
			}
			else
			{
				user_name = input_user.obj.value;
			
				loadXMLRegister('/connect/ajax_files/emb_register_check_username.asp?user_name=' + input_user.obj.value);
			}
		}
		else
		{
			obj.obj.innerHTML = "<font color='#FF0000'>Username cannot be empty, Please re-enter</font><br />";
			//alert('Please enter the Username');
			input_user.obj.focus();
		}
	}
}

function loadXMLRegister(url) 
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req_register = new XMLHttpRequest();
        req_register.onreadystatechange = processRegisterSelector;
        req_register.open("GET", url, true);
        req_register.send(null);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req_register = new ActiveXObject("Microsoft.XMLHTTP");
        if (req_register) {
            req_register.onreadystatechange = processRegisterSelector;
            req_register.open("GET", url, true);
            req_register.send();
        }
    }
}

function processRegisterSelector() 
{
	var obj = new getObj("div_sorry_message");
	var input_user = new getObj("textfield");
    // only if req_register shows "complete"
    switch (req_register.readyState) {
		case 1:
			obj.obj.innerHTML = "<img src='/images/ajax_loading.gif'>";
		break;

		case 4:
			// only if "OK"
			if (req_register.status == 200) {
				if (req_register.responseText != 'New')
				{
					obj.obj.innerHTML = req_register.responseText;
					input_user.obj.value = '';
					input_user.obj.focus();
				}
				else
				{
					obj.obj.innerHTML = "<font color='#99cc33'>The Username <font color='#000000'>" + user_name + "</font> is available</font><br />";
				}
				
			} else {
				alert("There was a problem retrieving the data:\n" + req_register.statusText);
			}
		break;
    }
}
//********************* End of Ajax User Checking *****************************

//********************* Start of Date Validation *****************************
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1980;
var maxYear=2005;

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){
		return "The date format should be : mm/dd/yyyy";
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return "Please enter a valid day";
	}
	if (strMonth.length<1 || month<1 || month>12){
		return "Please enter a valid month";
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return "Please enter a valid 4 digit year between "+minYear+" and "+maxYear;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return "Please enter a valid date";
	}
	
	// Check if the Date is valid
	var today = new Date();
  	var year1 = today.getYear();
  	if(year1<1000) year1+=1900;
     
  	var today1 = ((today.getMonth()+1) + "/" + today.getDate() + "/" + year1);
 	if ((year)>(year1-5))
	{
		return "Enter a valid Date of birth" + (year1-5);
	}
		
return "true";
}

function ValidateForm1(form_1){
	var dt=form_1.monthDob.value +"/" + form_1.dayDob.value + "/" + form_1.yearDob.value
	//alert(dt);
				  
	if (form_1.textfield.value == "")
	{
		alert("Membername cannot be empty, try again");
		form_1.textfield.focus();
		return false;
	}
	else if (isDate(dt)==false){
		//document.form1.dayDob.focus();
		return false;
	}
    return true;

 }
 
//********************* End of Date Validation *****************************

//********************* Common Functions *****************************
/* is a Valid Email */
function isValidEmail (str)
{
  // Return immediately if an invalid value was passed in
  if (str+"" == "undefined" || str+"" == "null")
   return false;

  else
  {
   if (str+"" == "")
 return true;  // email is not required
   else

  str += "";
  namestr = str.substring(0, str.indexOf("@"));  // everything before the '@'
  domainstr = str.substring(str.indexOf("@")+1, str.length); // everything after the '@'

  // Rules:
  // namestr must contain something before the '@'
  // domainstr must contain a period that is not the first character (i.e. right after
  // the '@').
  if ((namestr.length == 0) || (domainstr.indexOf(".") <= 0) || (domainstr.indexOf("@") != -1))
   return false;
  }

 return true;
}


function getObj(name)
{
	if (document.getElementById)
	{
		//alert(document.getElementById(name));
	   this.obj = document.getElementById(name);
	   if (this.obj)
		   this.style = document.getElementById(name).style;
	}
	else if (document.all)
	{
	   this.obj = document.all[name];
	   if (this.obj)
		   this.style = document.all[name].style;
	}
	else if (document.layers)
	{
	   if (document.layers[name])
	   {
			this.obj = document.layers[name];
			if (this.obj)
				this.style = document.layers[name];
	   }
	   else
	   {
			this.obj = eval("document.layers." + name + ".layers[name]");
			if (this.obj)
			   this.style = eval("document.layers." + name + ".layers[name]");
	   }
	}
}
//********************* End of Common Functions *****************************