var nError;
var nSpecialMan;
var bClearDateIfNotValid = false;
var vMonthDay= new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var vMonth = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December")
var vErrorHighlight = new Array(50);
var nErrorHighlight=0;
//String.prototype.lTrim = lTrim();
//String.prototype.rTrim = rTrim();

function displayOrganisationDetails()
{	
	var oOrgDetails = document.getElementById('icPage_tblOrganisation');
	var isOrg = document.getElementById('icPage_lstIsOrganisation').value;
	
	var oSingleDetails = document.getElementById('icPage_tblSingleDetails');
	
	if("Yes"==isOrg)
	{
		oOrgDetails.style.display = '';
		oSingleDetails.style.display = 'none';
	}
	else
	{
		oOrgDetails.style.display = 'none';
		oSingleDetails.style.display ='';
	}
}

function makeEmailMandatory()
{
	var oEBriefing = document.getElementById('icPage_tdMandatoryEmail');
	var cbEBriefing = document.getElementById('icPage_cbEBriefing');
	
	if(cbEBriefing.checked)
	{
		oEBriefing.style.display = '';
	}
	else
	{
		oEBriefing.style.display = 'none';
	}
}

function checkRegistrationForm()
{
	nError=0;
	var i = 0;
	var strError = "";
	
	var cbEBriefing = document.getElementById('icPage_cbEBriefing');
	
	var confirmPass = document.getElementById('icPage_txtConfirmPassword');
	strError += checkMandatoryField('icPage_txtUsername',"Username");
	strError += checkMandatoryField('icPage_txtPassword',"Password");
	if(null != confirmPass)
	{
		var password = document.getElementById('icPage_txtPassword').value;
		var confirmPassword = document.getElementById('icPage_txtConfirmPassword').value;
		if(password != confirmPassword)
		{
			nError++;
			strError += "Confirmation password does not match Password. \n";
		}
		
		if(password.toLowerCase() == "password")
		{
			nError++;
			strError += "'password' is not a valid password. \n";
		}
		
		if(password.length < 6)
		{
			nError++;
			strError += "Password must be no less than 6 characters. \n";
		}
		
		var lcPassword  = password.toLowerCase();
		var userName = document.getElementById('icPage_txtUsername').value;
		var lcUsername = userName.toLowerCase();

		if(lcPassword.indexOf(lcUsername) > -1)
		{
			nError++;
			strError += "Password must not contain your user name. \n";
		}
	}
	strError += checkMandatoryField('icPage_txtFirstname',"Firstname");
	strError += checkMandatoryField('icPage_txtSurname',"Surname");
	var isOrg = document.getElementById('icPage_lstIsOrganisation').value;		
	if("Yes" == isOrg)
	{
		strError += checkMandatoryField('icPage_txtOrgName',"Organisation Name");
		strError += checkMandatorySelectField('icPage_lstOrgType',"Organisation Type");
		
	}
	strError += checkMandatoryField('icPage_txtOrgAddressLine1',"Address");
	strError += checkMandatoryField('icPage_txtOrgTown',"Town");
	strError += checkMandatorySelectField('icPage_lstOrgCounty',"County");
	strError += checkMandatoryField('icPage_txtOrgPostcode',"Postcode");
	
	
	strError += checkMandatorySelectField('icPage_lstPassQuestion',"Password Reminder Question");
	strError += checkMandatoryField('icPage_txtPassAnswer',"Password Answer");
	
	if("No" == isOrg)
	{
		strError += checkMandatorySelectField('icPage_lstEmpStatus',"Employment Status");
		strError += checkMandatorySelectField('icPage_lstAgeGroup',"Age Group");
		
		strError += checkMandatorySelectField('icPage_lstQualLevel', "Highest Qualification");

		strError += checkMandatorySelectField('icPage_lstGcselevel',"GCSE Level");
	}
	
	if(cbEBriefing.checked)
	{
		strError += checkMandatoryField('icPage_txtOrgEmail',"Email");
	}
	
	var email = document.getElementById('icPage_txtOrgEmail').value;	
	if("" != email)
	{
	
		if(! ValidEmail(email))
		{
			nError++;
			strError += "A valid Email must be specified for Organisation Email. \n";
		}
	}
	if(nError>0)
	{
		alert(strError);
		return false;
	}
	return true;
}

function checkCompetitionForm()
{
	nError=0;
	var i = 0;
	var strError = "";

	strError += checkMandatoryField("icPage_txtFirstname", "First Name");
	strError += checkMandatoryField("icPage_txtSurname", "Surname");
	strError += checkMandatoryField("icPage_txtAddress", "Address");
	strError += checkMandatoryField("icPage_txtTown", "Town");
	strError += checkMandatorySelectField('icPage_lstCounty',"County");
	strError += checkMandatoryField("icPage_txtPostCode", "PostCode");
	strError += checkMandatoryField("icPage_txtTelNumber", "Telephone Number");
	strError += checkMandatorySelectField('icPage_lstGender',"Gender");
	strError += checkMandatorySelectField('icPage_lstAgeGroup',"Age Group");
	strError += checkMandatorySelectField('icPage_lstAnswer',"Answer");
	
	if(nError>0)
	{
		alert(strError);
		return false;
	}
	
	return true;
}

function checkMandatorySelectField(lstField,strName)
{
	var selectField = document.getElementById(lstField);
	if("NOT" == selectField.value)
	{
		nError++;
		return "A value must be selected for " + strName + " \n";
	}
	return "";
}

function clearRegistrationForm(formName)
{
	clearTextBoxes(formName);
	clearSelectFields(formName);
	clearTextAreas(formName);
	return false;
}
function clearContactForm(formName)
{
	clearTextBoxes(formName);
	document.getElementById('icPage_txtDetails').value = "";
	return false;
}

function clearBookCallForm(formName)
{
	clearTextBoxes(formName);
	document.getElementById('icPage_txtDetails').value = "";
	return false;
}
function showExpDetails()
{

	if (document.getElementById('icPage_lstExperience').value == "YES")
	{
		document.getElementById('trExperienceDetails').style.display = 'block';
	}
	else
	{
		document.getElementById('trExperienceDetails').style.display = 'none';
	}
}
function clearTextBoxes(formName)
{
	var objForm = document.getElementById(formName);
	var iCol = objForm.all.tags("INPUT");
	
	for(i=0;i<iCol.length;i++)
	{				
		var oElement=iCol[i];
		
		if("text" == oElement.type.toLowerCase())
		{
			oElement.value = "";
		}
	}
	
}

function clearSelectFields(formName)
{
	var objForm = document.getElementById(formName);
	var iCol = objForm.all.tags("SELECT");
	for(i=0;i<iCol.length;i++)
	{				
		var oElement=iCol[i];

		if("select-one" == oElement.type.toLowerCase())
		{
			oElement.value = "NOT";
		}
	}
	
}



function clearTextAreas(formName)
{
	var objForm = document.getElementById(formName);
	var iCol = objForm.all.tags("TEXTAREA");
	
	for(i=0;i<iCol.length;i++)
	{				
		var oElement=iCol[i];
		
		if("textarea" == oElement.type.toLowerCase())
		{
			oElement.value = "";
		}
	}
}



function confirmHolidayDelete(strRef)
{
	var bRet=confirm('Are you sure you wish to Delete this Holiday Entry?');
	if(bRet)
	{
		window.location='BankHolidayAdmin.aspx?strRef=' + strRef + '&nActionId=5';		
	}
}
function ValidEmail(str){	
	if(str.length<4)return 0
	if(str.indexOf("@")<1) return 0
	if(str.indexOf(".")<1) return 0
	else return 1
}

function trim(s) 
{
 var r=/\b(.*)\b/.exec(s);
 return (r==null)?"":r[1];
}

function checkBookCall()
{
	nError=0;
	var i = 0;
	var strError = "";
	strError += checkMandatoryField('icPage_txtForename',"Forename");
	strError += checkMandatoryField('icPage_txtSurname',"Surname");
	strError += checkMandatoryField('icPage_txtTelephone',"Telephone");
	strError += checkRadioButtonListQuestion('icPage_rblTelephoneType',"Telephone Type option");
	strError += checkRadioButtonListQuestion('icPage_rblCallTime',"Time to Call option");
	strError += checkRadioButtonListQuestion('icPage_rblMessage',"Message option");	
	var email = document.getElementById('icPage_txtEmail').value;	
	if("" != email)
	{
	
		if(! ValidEmail(email))
		{
			nError++;
			strError += "A valid Email must be specified. \n";
		}
	}
	if(nError>0)
	{
		alert(strError);
		return false;
	}
	return true;
}

function checkContactForm()
{
	nError=0;
	var strError="";
	strError+=checkMandatoryField("icPage_txtName","Name");
	strError+=checkMandatoryField("icPage_txtEmail","Email");
	strError+=checkMandatoryField("icPage_txtTelNumber","Telephone Number");
	strError+=checkMandatoryField("icPage_txtSubject","Subject");
	strError+=checkMandatoryField("icPage_txtDetails","Message");
	
	var strEmail=document.getElementById("icPage_txtEmail").value;
	
	if(!ValidEmail(strEmail))
	{
		nError++;
		strError+="A valid Email is Required \n"
	}
	if(nError>0)
	{		
		alert(strError);
		return false;
	}
	
	return true;
}

function checkEnquiryForm()
{
	nError=0;
	var strError="";
	strError+=checkMandatoryField("icPage_txtEmail","Email");
	strError+=checkMandatoryField("icPage_txtNature","Nature");
	strError+=checkMandatoryField("icPage_txtLocation","Location");
	strError+=checkMandatoryList("icPage_lstQualification","Highest Qualification", "NOT");
	strError+=checkMandatoryList("icPage_lstMethod","Study Method", "NOT");
	strError+=checkMandatoryList("icPage_lstLevel","Level", "NOT");
	strError+=checkMandatoryList("icPage_lstExperience","Previous Experience", "NOT");
	
	if ("YES" == document.getElementById("icPage_lstExperience").value)
	{
		strError+=checkMandatoryField("icPage_txtExperienceDetails","Experience Details");
	}
	var strEmail=document.getElementById("icPage_txtEmail").value;
	
	if(!ValidEmail(strEmail))
	{
		nError++;
		strError+="A valid Email is Required \n"
	}
	if(nError>0)
	{	
		alert("This enquiry could not be submitted due to the following reason(s): \n\n" + strError);
		return false;
	}
	
	return true;
}
function checkRadioButtonListQuestion(strGroup, strGroupDisplay)
	{
		var nCount = 0;
		var nChecked = 0;
		var strError = "";
		var checked = false;
		
		//var radioGroup = strStart + "1_0";
		
		var radioGroup = strGroup;		

		while(true)
		{	
			var radioButton = radioGroup+"_"+nCount	
			var radioObject = document.getElementById(radioButton);
			if(null == radioObject)
			{
				nError++;				
				{
					strError =  "A " + strGroupDisplay + " must be selected \n";			
				}								
				break;
				
			}
			if(radioObject.checked)
			{
				break;
			}
			nCount++;
		}

		return strError;
	}

function checkMandatoryField(strField, strDisplay)
{
	var iField = document.getElementById(strField);

	if(null!=iField)
	{
		if(''==iField.value)
		{
			nError++;
			return 'A value must be specifed for ' + strDisplay + '. \n';
		}
		
	}	
	return '';
}


function checkMandatoryNumericField(strField, strDisplay)
{
	var iField = document.getElementById(strField);
	if(null!=iField)
	{
		if(''==iField.value)
		{
			nError++;
			return '<LI>A value must be specifed for ' + strDisplay + '.';
		}
		
		if(!isPositiveReal(iField.value))
		{
			nError++;
			return '<LI>' + strDisplay + ' should be a positive real number.';		
		}
	}
	return '';
}


function checkMandatoryNumericFieldAllowNegative(strField, strDisplay)
{
	var iField = document.getElementById(strField);
	if(null!=iField)
	{
		if(''==iField.value)
		{
			nError++;
			return '<LI>A value must be specifed for ' + strDisplay + '.';
		}
		
		if(!isReal(iField.value))
		{
			nError++;
			return '<LI>' + strDisplay + ' should be a real number (negatives allowed).';		
		}
	}
	return '';
}

function checkMandatoryList(strField, strDisplay, strNullValue)
{
	var iField = document.getElementById(strField);

	if(null!=iField)
	{
		if(0==iField.options.length )
		{
			nError++;
			return 'A value must be selected for ' + strDisplay + '. \n';
		}
		else
		{
			if(iField.value==strNullValue || iField.value=='')
			{
				nError++;
				return 'A value must be selected for ' + strDisplay + '. \n';
			}
			
		}
		
	}
	return '';
}

function showErrorWindow(nParamError, strError, nSpecialMan, strSpecialMan)
{
	if (0!=nError)
	{
		var nHeight = 120 + (nError*15);
	}
	else
	{
		var nHeight = 120 + (nSpecialMan*15);
	}
	
	var strPage = "PopUp/ErrorPopup.aspx?strError=" + strError + "&strSpecialMan=" + strSpecialMan;

	if (showPopupPage(strPage, nHeight, 340))
	{
		return true;
	}
	
	return false;
}

function showPopupPage(strPage, nHeight, nWidth)
{
	window.showHelp;
	var pcdialogargs = "dialogHeight:" + nHeight + "px;dialogWidth:" + nWidth + "px;status:no;center: Yes; help: No; resizable: No;";
	return showModalDialog(strPage,"",pcdialogargs );
}


function showFillDatePopup(strClient,strProgramme)
{
	var strPage = "PopUp/icModeless.aspx?strTitle='Best Start Date Fill'&strHREF=icDateFillPopup.aspx?strClient=" + strClient + ":" + strProgramme;
	
	var strReturn = showPopupPage(strPage, 300, 650);
	if(null!=strReturn)
	{
		window.location.href = 'listTransaction.aspx?nType=6&strRef=' + strClient + ':' + strProgramme;
	}

}

function checkOptionalNumericField(strField, strDisplay)
{
	
	var iField = document.getElementById(strField);
	if(null!=iField)
	{
		if(!isPositiveReal(iField.value))
		{
			nError++;
			return '<LI>' + strDisplay + ' should be a positive real number.';		
		}
	}
	return '';
}


function checkMandatoryOption(strField, strDisplay)
{

	var iField = document.getElementById(strField);

	if(null!=iField)
	{
		// This assumes that the first option in the list is 'None'
		if(0==iField.value)
		{
			nError++;
			return '<LI>A value must be specifed for ' + strDisplay + '.';
		}
	}
	return '';
}

function GetFieldNumericValue(strField)
{
	
	var iField = document.getElementById(strField);
	if(null!=iField)
	{
		if(isPositiveReal(iField.value))
		{
			return parseInt(iField.value)
		}
	}
	return 0;
}


function checkNumericKey() {

var Key = window.event.keyCode;

if(Key<48 || Key>57)
{

event.keyCode=0;

}

}

/*Sean Hasson
added 26/02/03
checks Ctrl+V Event 
Field as Param
*/

function checkCtrlKey(){
var Ctrl = window.event.ctrlKey;
var Key = window.event.keyCode;

//if a ctrl+v or ctrl+upper(V)

if( (Key==86 || Key==118)  && Ctrl)
{
	event.keyCode=0;

}

}


/*Sean Hasson
added 26/02/03
checks if Paste event is NAN	
Field as Param
*/
function checkPasteEvent(objTextField)
{
	var myVal=objTextField.value;

	if (objTextField.inchange)
	{
		//check on inchange state and test here..e.g clicking on another element
		if (isNaN(myVal))
		{
	     //is not a number..reset the textbox
	     objTextField.inchange=true;
	     objTextField.value=0;        	
		}
	}

	objTextField.inchange=false;

	//querky test if empty textbox i.e ''
	if ((myVal==' ') || (myVal=='')){
	     //is not a number..reset the textbox
	     objTextField.inchange=true;
	     objTextField.value=0;        	
	}

	if (isNaN(myVal))
	{
	     //is not a number..reset the textbox
	     objTextField.inchange=true;
	     objTextField.value=0;        	
	}
}

function expandTextbox(strField)
{
	var iField = document.getElementById(strField);
	if(null!=iField)
	{
		var strPage = "PopUp/ExpandPopup.aspx?strText=" + escape(iField.value);
		var strReturn = showPopupPage(strPage, 300, 440);
		if(null!=strReturn)
		{
			iField.value = strReturn;
		}
	}
}
function expandTextboxReadOnly(strValue)
{
		
		var strPage = "PopUp/ExpandPopup.aspx?nReadonly=1&strText=" + escape(strValue);
		var strReturn = showPopupPage(strPage, 300, 440);
		if(null!=strReturn)
		{
			iField.value = strReturn;
		}	
}

function ValidMail(str){
	if(str.length<4)return 0
	if(str.indexOf("@")<1) return 0
	if(str.indexOf(".")<1) return 0
	else return 1
}

function validateInputForm(strFormName)
{
	
	nError=0;
	var strError='';
	var objForm = document.getElementById(strFormName);
	
	var iCol = objForm.all.tags("INPUT");
	
	for(i=0;i<iCol.length;i++)
	{		
		var oElement=iCol[i];
		
		if("text" == oElement.type.toLowerCase())
		{
			var strName = oElement.icMandatory;
			
			if(null!=strName)
			{
				nError++;
			    strError = strError + checkMandatoryField(oElement.name, strName);
			}
	   }
	  
	}	
	
	iCol = objForm.all.tags("SELECT");

	for(i=0;i<iCol.length;i++)
	{
		var oElement=iCol[i];

		var strName = oElement.icMandatory;

		if(null!=strName)
		{
			nError++;
			strError = strError + checkMandatorySelectField(oElement.name, strName, oElement.icNull);
		}
	}
	
	return strError;
	
}


function checkStandardForm()
{
	nError = 0;
	var strError = validateInputForm('icEditForm');	
	
	if(nError>0)
	{
		showErrorWindow(nError, strError, 0, '');
		return false;
	}	
	return true;
	
}

function validateSpecialMandatory(strFormName)
{

	var strSpecialMan='';
	var objForm=document.all.item(strFormName);

	for(i=0;i<objForm.elements.length;i++)
	{
	   var oElement=objForm.elements[i];
		
		//check text fields
	   if(("text" == oElement.type.toLowerCase()))
	   {
			var oManElement=oElement.name + 'SpecialMandatory';
			if(null!=(document.getElementById(oManElement)))
			{
			    var strName=document.getElementById(oManElement).value;
			    strSpecialMan = strSpecialMan + checkSpecialMandatoryField(oElement.name, strName);
			}
	   }
	}
	return strSpecialMan;
}

function checkSpecialMandatoryField(strField, strDisplay)
{
	var iField = document.getElementById(strField);
	
	if(null!=iField)
	{
		if(''==iField.value)
		{
			nSpecialMan++;
			return '<LI>' + strDisplay + '.';
		}
	}
	
	return '';
}

function alertDeleteNotAllowed()
{
	alert('You do not have permission to delete enquiries.');
	return false;
}

function checkCounty(strCounty)
{
	var iCounty = document.getElementById('icPage:' + strCounty);
	if('OTH'==iCounty.value)
	{
		toggleCounty(iCounty.id);
	}
}

function checkForm()
{
	nError = 0;
	
	var strError = validateInputForm('icFormHolder');
	
	if(nError>0)
	{
		showErrorWindow(nError, strError, 0, '');
		return false;
	}
	return true;
}

function getFormElement(strName)
{
	return document.getElementById("icPage_" + strName);
}
function postcodePopup(strPagePrepend, strFieldPrepend)
{

	var iPostcode = document.getElementById(strPagePrepend + "txt" + strFieldPrepend + "Postcode");
	var iAddress1 = document.getElementById(strPagePrepend + "txt" + strFieldPrepend + "Address1");
	var iAddress2 = document.getElementById(strPagePrepend + "txt" + strFieldPrepend + "Address2");
	var iAddress3 = document.getElementById(strPagePrepend + "txt" + strFieldPrepend + "Address3");
	var iTown = document.getElementById(strPagePrepend + "txt" + strFieldPrepend + "Town");
	var iCounty = document.getElementById(strPagePrepend + "lst" + strFieldPrepend + "County");
	var iCountyOther = document.getElementById(strPagePrepend + "txt" + strFieldPrepend + "CountyOther");
	var iImgPostcode = document.getElementById(strPagePrepend + "img" + strFieldPrepend + "Postcode");
	var iAddressStatus= document.getElementById(strPagePrepend + "hdn" + strFieldPrepend + "AddressStatus");
	var iPostcodeVerify= document.getElementById(strPagePrepend + "hdn" + strFieldPrepend + "PostcodeVerify");

	var strPostcode = iPostcode.value;
	var nLenBefore = strPostcode.length;
	var strWithoutSpaces = strPostcode.replace(/\ /g, '');
	var nLenAfter =  strWithoutSpaces.length;
	
	if(nLenAfter==nLenBefore)
	{
		if(6==nLenBefore)
		{
			strPostcode = strPostcode.substr(0,3) + ' ' + strPostcode.substr(3);
		}
		if(7==nLenBefore)
		{
			strPostcode = strPostcode.substr(0,4) + ' ' + strPostcode.substr(4);
		}
	}
							
	var strPage = "popup/Modeless.aspx?strHREF=" + ICPOSTCODE_POPUP_LOCATION + "PostcodePopup.aspx?strPostcode=" + escape(strPostcode) + "&nAppId=2";
	var pcdialogargs = "dialogHeight: 370px; dialogWidth: 440px; center: Yes; help: No; resizable: No; status: No;scroll: No;";
	var arr = showModalDialog(strPage,"",pcdialogargs );
	
	if (arr != null) 
	{
		var vAddress=arr.split("**");
		
		iAddress1.value=vAddress[0];
		iAddress2.value=vAddress[1];
		iAddress3.value=vAddress[2];
		iTown.value=vAddress[3];
		iCounty.value=vAddress[4];
		iCountyOther.value = vAddress[5];
		iPostcode.value=vAddress[6];
		iPostcodeVerify.value=vAddress[6];
		iAddressStatus.value = vAddress[7];
		
		if ("0" == vAddress[7]) 
		{
			iImgPostcode.src = "images/icons/search.gif";
		}
		else
		{
			iImgPostcode.src = "images/icons/searchAlert.gif";
		}
		
		if((null!=iCountyOther) && (null!=iCounty))
		{
			if("OTH" == iCounty.value)
			{
				iCountyOther.value = vAddress[5];
				iCountyOther.style.display = '';
				iCounty.style.display = 'none';
			}
			else
			{
				iCountyOther.value = "";
				iCountyOther.style.display = 'none';
				iCounty.style.display = '';
			}
		}
	}	
}
function resetErrorForm()
{
	for(var i=0;i<nErrorHighlight;i++)
	{
		vErrorHighlight[i].style.background = 'white';
		vErrorHighlight[i].ICERRORHI=0;
	}
	nErrorHighlight = 0;
}

function highlightErrorField(iField)
{
	iField.style.background = 'yellow';
	iField.ICERRORHI=1;
	vErrorHighlight[nErrorHighlight++] = iField;
}