function logedin(responseText) {
	if (responseText=='<LOGIN>') {
					document.location="registration.php";
				return;
	}
}

var W3CDOM = (document.createElement && document.getElementsByTagName);

if(!Array.indexOf){
    Array.prototype.indexOf = function(obj){
        for(var i=0; i<this.length; i++){
            if(this[i]==obj){
                return i;
            }
        }
        return -1;
    }
}
	
function addFileUploadInput() {
	if (document.getElementById('fileUploadFields')) {
			initFileUploads();
			var fileUploadContainer = document.createElement('label');
			var fileUpload = document.createElement('input');
			fileUpload.type='file';
			fileUpload.readOnly='readonly';
			fileUpload.name='attachment[]';
			fileUpload.size='400';
			var x = document.getElementsByTagName('input');
			valueEmpty=false;
			ix=0;
			for (var i=0;i<x.length;i++) {
				if (x[i].type=='file') {
					ix++;
					if (x[i].value=='') valueEmpty=true;
				}
				if (ix==5) valueEmpty=true;
			}
			if (!valueEmpty) {
				fileUploadContainer.appendChild(fileUpload);
				document.getElementById('fileUploadFields').appendChild(fileUploadContainer);
		    }
			initFileUploads();
	}
}

function initFileUploads() {
	if (!W3CDOM) return;
	fakeInput=document.createElement('input');
	fakeInput.className='input';
	fakeInput.type='text';
	fakeInput.readOnly='readonly';
	fakeInput.style.textAlign='right';
	fakeInput.style.position='relative';
	fakeInput.style.zIndex=2;
	var imageAdd = document.createElement('img');
	imageAdd.align='top';
	imageAdd.src='images/iconAddAttachment.jpg';
	imageAdd.style.position='relative';
	var imageRemove = document.createElement('img');
	imageRemove.align='top';
	imageRemove.src='images/iconRemoveAttachment.jpg';
	imageRemove.style.display='none';
	imageRemove.style.position='relative';
	imageRemove.style.zIndex=4;
	var spacer = document.createElement('input');
	var br = document.createElement('br');
	spacer.style.position='relative';
	spacer.style.width='40px';
	spacer.style.height='20px';
	spacer.style.zIndex='3';
	spacer.className='spacer';
	spacer.disabled='true';
	var x = document.getElementsByTagName('input');
	for (var i=0;i<x.length;i++) {
		if (x[i].type == 'file') {
			if (!x[i].relatedElement) {
				imageAdd.id='imageAdd['+i+']';
				imageRemove.id='imageRemove['+i+']';
				fakeInput.style.width=x[i].size+'px';
				fakeInput.id='fakeInput['+i+']';
			    fakeInput.tabIndex='30';
				x[i].id='fileInput['+i+']';
				x[i].style.position='absolute';
				x[i].style.left=absoluteOffsetLeft(x[i])+x[i].size-50+'px';
				x[i].className = 'inputfile';
				x[i].size='1';
				var cloneFakeInput = fakeInput.cloneNode(true);
				var cloneImageAdd = imageAdd.cloneNode(true);
				var cloneImageRemove = imageRemove.cloneNode(true);
				var cloneSpacer = spacer.cloneNode(true);
				var cloneBr = br.cloneNode(true);
				cloneImageRemove.onclick = function () {
					node=this.parentNode;
					node.parentNode.removeChild(node);
					addFileUploadInput();
				}
				x[i].parentNode.id='fileUploadContainer['+i+']';
				x[i].parentNode.insertBefore(cloneBr,x[i].nextSibling);
				x[i].parentNode.insertBefore(cloneSpacer,x[i].nextSibling);
				x[i].parentNode.insertBefore(cloneImageRemove,x[i].nextSibling);
				x[i].parentNode.insertBefore(cloneImageAdd,x[i].nextSibling);
				x[i].parentNode.insertBefore(cloneFakeInput,x[i].nextSibling);
				x[i].relatedElement = cloneFakeInput;
				x[i].relatedElementImageAdd = cloneImageAdd;
				x[i].relatedElementImageRemove = cloneImageRemove;
			    x[i].tabIndex='-1';
			    x[i].onfocus=function() {this.relatedElement.focus();};
			    x[i].onkeydown=function() {this.relatedElement.focus();};
				x[i].onchange = function () {
					var x = document.getElementsByTagName('input');
					uploadFileExists=false;
					for (var i=0;i<x.length;i++) {
						if (x[i].type=='file') {
							if (x[i].value==this.value && x[i].id!==this.id) {
								uploadFileExists=true;
							}
						}
					}
					fileTypes=Array('jpg','jpeg','gif','png','pdf');
					currentFileType=this.value.substring(this.value.lastIndexOf('.')+1).toLowerCase();
					notSupportedFileType=(fileTypes.indexOf(currentFileType)==-1);
					if (notSupportedFileType==true || uploadFileExists==true) {
						currentFile=this.value;
						this.relatedElementImageRemove.onclick();
						if (notSupportedFileType==true) {
							alertText='File type "{{FILE_TYPE}}" is not supported!';
							alert(alertText.replace('{{FILE_TYPE}}', currentFileType));
						}
						
						if (uploadFileExists==true) {
								alertText='File "{{FILE_NAME}}" is already on upload list!';
								alert(alertText.replace('{{FILE_NAME}}',currentFile));
						}
					}
					this.relatedElementImageAdd.style.display='none';
					this.relatedElementImageRemove.style.display='';
					this.onmouseout();
					addFileUploadInput();
				}
				x[i].onmouseout = function () {
					this.relatedElement.value = this.value;
				}
			}
		}
	}
}

//AJAX SCRIPT
function getAjax(elementId, fileName, response) {
	elId=elementId;
	if (elementId!='' && typeof(document.getElementById(elementId))=='object') document.getElementById(elementId).innerHTML='';
	ajax=window.XMLHttpRequest?new XMLHttpRequest():new ActiveXObject("Microsoft.XMLHTTP");
	ajax.open("GET", fileName, true);
	if (response!=undefined) {
		ajax.onreadystatechange=eval(response);
	} else {
		ajax.onreadystatechange = function() {
			if(ajax.readyState==4 && ajax.status==200 && elementId!='' && typeof(document.getElementById(elementId))!='undefined') {			
				logedin(ajax.responseText);
				document.getElementById(elementId).innerHTML=ajax.responseText;
				ajax.close;
			}
		}
	}
	ajax.send(null);
}

//VALIDATE INPUT
function validateInput(text, type, minLength, maxLength) {
 switch (type) {
	case 'email':
		regExp = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[(2([0-4]\d|5[0-5])|1?\d{1,2})(\.(2([0-4]\d|5[0-5])|1?\d{1,2})){3} \])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
	    return regExp.test(text);
		break;
	case 'string-number':
		regExp = /^[ a-zA-Z\-0-9čćžšđČĆŽŠĐ]{1,}$/;
		return ((regExp.test(text)) && (text.length >= minLength) && (text.length <= maxLength));
		break;
	}

	return ((text.length >= minLength) && (text.length <= maxLength));
}

//VALIDATE CLIENT REGISTRATION
function validateClientRegistration() {
	valid=true;	
	document.getElementById('userNameHint').style.display='none';
	document.getElementById('userIdHint').style.display='none';

	//VALIDATE USERNAME
	if (!validateInput(document.getElementById('userName').value,'string-number', 3, 9999)) {
		document.getElementById('userNameHint').innerHTML='* Name is not valid! Must be at least 3 chars long.';
		document.getElementById('userNameHint').style.display='inline';
		if (valid) document.getElementById('userName').focus();
		valid=false;
	}
	//VALIDATE E-MAIL
	if (!validateInput(document.getElementById('userId').value,'email')) {
		document.getElementById('userIdHint').innerHTML='* E-mail is not valid!';
		document.getElementById('userIdHint').style.display='inline';
		if (valid) document.getElementById('userId').focus();
		valid=false;
	}
	//IF VALID, SUBMIT
	if (valid) document.forms.formClientRegistration.submit();
}

//VALIDATE ADMIN LOGIN
function validateAdminLogin() {
	valid=true;	
	
	//VALIDATE USERNAME
	if (!validateInput(document.getElementById('userName').value,'string-number', 1, 9999)) {
		if (valid) document.getElementById('userName').focus();
		valid=false;
	}

	//VALIDATE PASSWORD
	if (!validateInput(document.getElementById('userPass').value,'string-number', 1, 9999)) {
		if (valid) document.getElementById('userPass').focus();
		valid=false;
	}
	//IF VALID, SUBMIT
	if (valid) document.forms.formAdminLogin.submit();
}

//VALIDATE QUESTION
function validateQuestion() {
	valid=true;
	document.getElementById('textHint').style.display='none';
	
	//VALIDATE QUESTION TEXT
	if (!validateInput(document.getElementById('text').value,'', 10, 99999999)) {
		document.getElementById('textHint').innerHTML='* Question too short!';
		document.getElementById('textHint').style.display='inline';
		if (valid) document.getElementById('text').focus();
		valid=false;
	}
	//IF VALID, SUBMIT
	if (valid) {
		document.forms.formQuestion.submit();
	}
}

//UPDATE CLIENT QUESTIONS
function updateClientQuestionBox() {
	//RESPONSE TO NEW CLIENT QUESTION AJAX 
	newClientQuestionResponse = function() {
		if(ajax.readyState==4 && ajax.status==200 && elId!='' && typeof(document.getElementById(elId))!='undefined') {			
			logedin(ajax.responseText);
			document.getElementById(elId).innerHTML=ajax.responseText;
			ajax.close;
			if (document.getElementById('text')!=null) {
				document.getElementById('text').focus();
				getAjax('newQuestionTitleAjax', 'newQuestionTitleAjax.php');	
			}
			addFileUploadInput();
		}
	}
	//RESPONSE TO UPDATE CLIENT QUESTION BOX AJAX 
	updateClientQuestionBoxResponse = function() {
		if(ajax.readyState==4 && ajax.status==200 && elId!='' && typeof(document.getElementById(elId))!='undefined') {			
			logedin(ajax.responseText);
			document.getElementById(elId).innerHTML=ajax.responseText;
			ajax.close;			
			//IF NEW QUESTION IS NOT VISIBLE
			if (document.getElementById('text')==null || (document.getElementById('actionNewQuestion')!=null && document.getElementById('actionNewQuestion').getAttribute('action')=='refresh')) {
				getAjax('newQuestionTitleAjax', 'newQuestionTitleAjax.php');	
				getAjax('newQuestionAjax', 'newQuestionAjax.php', 'newClientQuestionResponse');			
			} else {
				getAjax('newQuestionTitleAjax', 'newQuestionTitleAjax.php');	
			}
		}
	}
	if (typeof(timer)!='undefined') clearTimeout(timer);
			timer = setTimeout("updateClientQuestionBox()", 900000);
		getAjax('questionBoxAjax', 'questionBoxAjax.php', 'updateClientQuestionBoxResponse');
	if (document.getElementById('text')!=null) {
		document.getElementById('text').focus();
	}
}

//UPDATE ADMIN QUESTION BOX
function updateAdminQuestionBox() {
	//RESPONSE TO UPDATE ADMIN QUESTION BOX AJAX 
	newQuestionTitleResponse = function() {
		if(ajax.readyState==4 && ajax.status==200) {			
			document.title=ajax.responseText;
		}
	}
	updateAdminQuestionBoxResponse = function() {
		if(ajax.readyState==4 && ajax.status==200 && elId!='' && document.getElementById(elId)) {			
			document.getElementById(elId).innerHTML=ajax.responseText;
			ajax.close;
			if (document.getElementById('selectedQuestion').innerHTML.length>0) {
				document.getElementById('text').focus();				
			}
			getAjax('', 'newQuestionTitleAjax.php', 'newQuestionTitleResponse');	
		}
	}
	fromDate=document.getElementById('fromDate').value;
	toDate=document.getElementById('toDate').value;
	fromGroup=document.getElementById('fromGroup').value;
	fromEmail=document.getElementById('fromEmail').value;
	queryString='?fromDate='+fromDate+'&toDate='+toDate+'&fromGroup='+fromGroup+'&fromEmail='+fromEmail;
	getAjax('questionBoxAjax', 'questionBoxAjax.php'+queryString, 'updateAdminQuestionBoxResponse');
	if (typeof(timer)!='undefined') clearTimeout(timer);
		if (document.getElementById('selectedQuestion').innerHTML.length>0) document.getElementById('text').focus();
}

//EDIT CLIENT REGISTRATION
function editProfile() {
	document.forms.formEditProfile.submit();
}

//EDIT CLIENT REGISTRATION
function logOut() {
	document.forms.formLogOut.submit();
}

//EDIT ADMIN LOGIN
function editLogin() {
	document.forms.formEditLogin.submit();
}

//GET SELECTED TEXT
function getSelectedText() {
	if (window.getSelection) {
		return (window.getSelection());
	}
	else if (document.selection) { // should come last; Opera!
		return (document.selection.createRange().text);
	}
}

//ON SELECT QUESTION
function selectQuestion(questionId, answerText) {
	if (getSelectedText()=='') {
		document.getElementById('selectedQuestion').innerHTML='';
		window.scroll(0,0);
		document.getElementById('answerBox').style.display='inline';
		getAjax('selectedQuestion', 'selectedQuestionAjax.php?questionId='+questionId);
		document.getElementById('text').focus();
		document.getElementById('text').value=unescape(decodeURI(answerText));
		document.getElementById('questionId').value=questionId;
		document.getElementById('text').focus();
	}
}

//ADD SIGNATURE TO ANSWER
function  addSignatureToAnswer() {
			alert('Please, set signature text in config file!');
	}

//VALIDATE ADMIN ANSWER
function validateAnswer() {
	valid=true;
	document.getElementById('textHint').style.display='none';
	
	//VALIDATE ANSWER TEXT
	if (!validateInput(document.getElementById('text').value,'', 1, 9999)) {
		document.getElementById('textHint').innerHTML='* Answer too short!';
		document.getElementById('textHint').style.display='inline';
		if (valid) document.getElementById('text').focus();
		valid=false;
	}
	//IF VALID, SUBMIT
	if (valid) {
		document.forms.formAnswer.submit();
	}
}

//GET ABSOLUTE TOP
function absoluteOffsetTop(el) {
	var ot = el.offsetTop;
	while ( ( el = el.offsetParent ) != null ) {
		ot += el.offsetTop;
	}
	return ot;
}
    
//GET ABSOLUTE LEFT
function absoluteOffsetLeft(el) {
	var ol = el.offsetLeft;
	while ( ( el = el.offsetParent ) != null ) {
		ol += el.offsetLeft;
	}
	return ol;
}

//SHOW GROUP DROP-DOWN BOX
function showGroupBox(el) {
	selEl=el;
	getAjax('fromGroupBox','fromGroupAjax.php?selected='+el.value);
	document.getElementById('fromGroupBox').style.display='block';
	document.getElementById('fromGroupBox').style.left=absoluteOffsetLeft(el);
	document.getElementById('fromGroupBox').style.top=absoluteOffsetTop(el) + el.offsetHeight + 1;
	document.all?document.attachEvent('onclick',checkGroupClick):document.addEventListener('click',checkGroupClick,false);
}

//SHOW EMAIL DROP-DOWN BOX
function showEmailBox(el) {
	selEl=el;
	getAjax('fromEmailBox','fromEmailAjax.php?group='+document.getElementById('fromGroup').value+'&selected='+el.value);
	document.getElementById('fromEmailBox').style.display='block';
	document.getElementById('fromEmailBox').style.left=absoluteOffsetLeft(el);
	document.getElementById('fromEmailBox').style.top=absoluteOffsetTop(el) + el.offsetHeight + 1;
	document.all?document.attachEvent('onclick',checkEmailClick):document.addEventListener('click',checkEmailClick,false);
}

//GET OBJECT
function getObj(objID) {
    if (document.getElementById) {return document.getElementById(objID);}
    else if (document.all) {return document.all[objID];}
    else if (document.layers) {return document.layers[objID];}
}

//CHECK IF OBJECT IS CHILD OF ANOTHER OBJECT
function isChild(s,d) {
	while(s) {
		if (s==d) 
			return true;
		s=s.parentNode;
	}
	return false;
}

//CLOSE ADMIN GROUP BOX IF YOU CLICK OUTSIDE
function checkGroupClick(e) {
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (getObj('fromGroupBox'))
		if (!isChild(CSE,getObj('fromGroupBox'))) {
			hideGroupBox();
		}
}
//CLOSE ADMIN EMAIL BOX IF YOU CLICK OUTSIDE
function checkEmailClick(e) {
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (getObj('fromEmailBox'))
		if (!isChild(CSE,getObj('fromEmailBox'))) {
			hideEmailBox();
		}
}

//CLOSE ADMIN DATE BOX IF YOU CLICK OUTSIDE
function checkDateClick(e) {
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (getObj('calendarDiv'))
		if (!isChild(CSE,getObj('calendarDiv'))) {
			closeCalendar();
		}
}

//CLICK ON ADMIN GROUP BOX
function clickGroupBox(group) {
	selEl.value=group;
	hideGroupBox();
	document.getElementById('fromEmail').value='All emails';
	updateAdminQuestionBox();
}

//CLOSE ADMIN GROUP BOX
function hideGroupBox() {
	document.getElementById('fromGroupBox').style.display='none';	
}

//CLICK ON ADMIN E-MAIL BOX
function clickEmailBox(email) {
	selEl.value=email;
	hideEmailBox();
	updateAdminQuestionBox();
}

//CLOSE ADMIN E-MAIL BOX
function hideEmailBox() {
	document.getElementById('fromEmailBox').style.display='none';	
}

// VALIDATE ADMIN FROM-TO DATE AND E-MAIL
function validateFromToDateFromEmail() {
	//SPLIT FROMDATE STRING TO GET YEAR, MONTH AND DAY
	fromDateArray = document.getElementById('fromDate').value.split('-');
	var fromDate=new Date();
	fromDate.setDate(fromDateArray[2]);
	fromDate.setMonth(fromDateArray[1]-1);
	fromDate.setFullYear(fromDateArray[0]);

	//SPLIT TODATE STRING TO GET YEAR, MONTH AND DAY
	toDateArray = document.getElementById('toDate').value.split('-');
	var toDate=new Date();
	toDate.setDate(toDateArray[2]);
	toDate.setMonth(toDateArray[1]-1);
	toDate.setFullYear(toDateArray[0]);
	
	//COMPARE FROM AND TO DATE
	if (fromDate > toDate) {
		oldFromDate=document.getElementById('fromDate').value;
		oldToDate=document.getElementById('toDate').value;
		//IF FROMDATE > TODATE, EXCHANGE DATES
		document.getElementById('fromDate').value=oldToDate;
		document.getElementById('toDate').value=oldFromDate;
	}
	updateAdminQuestionBox();
}

//ADMIN DELETE QUESTION
function deleteQuestion(questionId, questionText) {
	questionText=unescape(decodeURI(questionText));
	if (questionText.length>1000) {
		questionText=questionText.substring(0, 1000)+'...';
	}
	
	if (confirm('Are you sure you want to delete this question?\n\n'+questionText)) {
		document.getElementById('answerBox').style.display='none';
		document.getElementById('selectedQuestion').innerHTML='';
		getAjax('', 'deleteQuestionAjax.php?questionId='+questionId, 'updateAdminQuestionBox');
	}
}