// Tenkit.com Functions
// Startup variables
var imageTag = false;
var theSelection = false;
var responseText = null;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;

var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

// Helpline messages
b_help = "Bold text: [b]text[/b]  (alt+b)";
i_help = "Italic text: [i]text[/i]  (alt+i)";
u_help = "Underline text: [u]text[/u]  (alt+u)";
q_help = "Quote text: [quote]text[/quote]  (alt+q)";
p_help = "Insert image: [img]http://image_url[/img]  (alt+p)";
w_help = "Insert URL: [url]http://url[/url] or [url=http://url]URL text[/url]  (alt+w)";
a_help = "Close all open tags";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[img]','[/img]','[url]','[/url]');
imageTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
	document.post.helpbox.value = eval(help + "_help");
}

// Replacement for arrayname.length property
function getarraysize(thearray) {
	for (i = 0; i < thearray.length; i++) {
		if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
			return i;
		}
	return thearray.length;
}

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
	thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
	thearraysize = getarraysize(thearray);
	retval = thearray[thearraysize - 1];
	delete thearray[thearraysize - 1];
	return retval;
}

function bbplace(text) {
    var txtarea = document.post.message;
    if (txtarea.createTextRange && txtarea.caretPos) {
        var caretPos = txtarea.caretPos;
        caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
        txtarea.focus();
    } else if (txtarea.selectionStart || txtarea.selectionStart == '0') {
        var startPos = txtarea.selectionStart;
        var endPos = txtarea.selectionEnd;
        txtarea.value = txtarea.value.substring(0, startPos)
                      + text
                      + txtarea.value.substring(endPos, txtarea.value.length);
        txtarea.focus();
        txtarea.selectionStart = startPos + text.length;
        txtarea.selectionEnd = startPos + text.length;
    } else {
        txtarea.value  += text;
        txtarea.focus();
    }
}

function bbstyle(bbnumber) {
	var txtarea = document.post.message;

	txtarea.focus();
	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if (bbnumber == -1) { // Close all open tags & default button names
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			txtarea.value += bbtags[butnumber + 1];
			buttext = eval('document.post.addbbcode' + butnumber + '.value');
			eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
		}
		imageTag = false; // All tags are closed including image tags :D
		txtarea.focus();
		return;
	}

	if ((clientVer >= 4) && is_ie && is_win)
	{
		theSelection = document.selection.createRange().text; // Get text selection
		if (theSelection) {
			// Add tags around selection
			document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
			txtarea.focus();
			theSelection = '';
			return;
		}
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
		return;
	}
	
	// Find last occurance of an open tag the same as the one just clicked
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1) {
			bblast = i;
			donotinsert = true;
		}
	}

	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names
		while (bbcode[bblast]) {
				butnumber = arraypop(bbcode) - 1;
				bbplace(bbtags[butnumber + 1]);
				buttext = eval('document.post.addbbcode' + butnumber + '.value');
				eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
				imageTag = false;
			}
			txtarea.focus();
			return;
	} else { // Open tags
	
		if (imageTag && (bbnumber != 14)) {		// Close image tag before adding another
			bbplace(bbtags[15]);
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.post.addbbcode14.value = "Img";	// Return button back to normal state
			imageTag = false;
		}
		
		// Open tag
		bbplace(bbtags[bbnumber]);
		if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
		arraypush(bbcode,bbnumber+1);
		eval('document.post.addbbcode'+bbnumber+'.value += "*"');
		txtarea.focus();
		return;
	}
	storeCaret(txtarea);
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	if (selEnd == 1 || selEnd == 2) 
		selEnd = selLength;

	var s1 = (txtarea.value).substring(0,selStart);
	var s2 = (txtarea.value).substring(selStart, selEnd)
	var s3 = (txtarea.value).substring(selEnd, selLength);
	txtarea.value = s1 + open + s2 + close + s3;
	return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
	if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

// check Form_
function checkForm(form) {
	formErr = false;
	if (form.readd) {
		if (form.readd.checked == "") {
			formErr = "You must accept CAR-Forums.com Terms";
		}
	}
	if (form.confirm_code) {
		if (form.confirm_code.value == "") {
			formErr = "CONFIRMATION CODE is empty";
		}
	}
	if (form.sanswer) {
		if (form.sanswer.value == "") {
			formErr = "SECRET ANSWER is empty";
		}
	}
	if (form.squestion) {
		if (form.squestion.selectedIndex == "") {
			formErr = "SECRET QUESTION is empty";
		}
	}
	if (form.y_country) {
		if (form.y_country.selectedIndex == "") {
			formErr = "COUNTRY is empty";
		}
	}
	if (form.year) {
		if (form.year.selectedIndex == "") {
			formErr = "BIRTH DATE: YEAR is empty";
		}
	}
	if (form.month) {
		if (form.month.selectedIndex == "") {
			formErr = "BIRTH DATE: MONTH is empty";
		}
	}
	if (form.day) {
		if (form.day.selectedIndex == "") {
			formErr = "BIRTH DATE: DAY is empty";
		}
	}
	if (form.y_email) {
		if (form.y_email.value == "") {
			formErr = "EMAIL ADDRESS is empty";
		}
	}
	if (form.y_name) {
		if (form.y_name.value == "") {
			formErr = "USERNAME is empty";
		}
	}
	if (form.price) {
		if (form.price.value == "") {
			formErr = "Please enter price";
		}
	}
	if (form.mile) {
		if (form.mile.value == "") {
			formErr = "Please enter mileage";
		}
	}
	if (form.descr) {
		if (form.descr.value == "") {
			formErr = "Please enter description";
		}
	}
	if (form.title) {
		if (form.title.value == "") {
			formErr = "Please enter a title for your ad";
		}
	}
	if (form.make) {
		if (form.make.selectedIndex == "") {
			formErr = "Please select Make of your vehicle";
		}
	}
	if (form.message) {
		if (form.message.value.length < 3) {
			formErr = "Mesajınızın içeriği en az 3 karakterden oluşmalıdır";
		}
	}
	if (formErr) {
		alert(formErr);
		return false;
	} else {
		return true;
	}
}

// switch status
function select_switch(status)
{
	for (i = 0; i < document.post.length; i++)
	{
		document.post.elements[i].checked = status;
		
		if (document.post.getElementsByTagName("input")[i].type=="checkbox")
		{
			highlight_div(document.post.elements[i], 1);
		}
	}
}

// highlight div
function highlight_div(the_element, d) {
	if (the_element.checked == true)
		if ( d )
			the_element.parentNode.parentNode.className = 'rowx'
		else
			the_element.parentNode.className = 'rowx'
	else
		if ( d )
			the_element.parentNode.parentNode.className = 'classlist'
		else
			the_element.parentNode.className = 'classlist'
}

function imgOn(imgName)
{
	if (document.images) {
		document[imgName].src = eval(imgName + "on.src");}
}

function imgOff(imgName)
{
	if (document.images) {
		document[imgName].src = eval(imgName + "off.src");}
}
// Roll:Roll ends

// AJAX call_
function getPage() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
	  xmlhttp.overrideMimeType("text/xml; charset=iso-8859-1");
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}

var isWorking = false;
function ajax(method, params, callBackFunction, type) {
		var xmlHttp = new getPage();
		if(!isWorking && xmlHttp) {
			if(method == "GET") {
				xmlHttp.open("GET","http://www.car-forums.com/_jx.php?"+params,true);
				parameters = null;
			}
			else {
				xmlHttp.open("POST","http://www.car-forums.com/_jx.php",true);
				parameters = params;
				xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=iso-8859-1");
			}
			xmlHttp.onreadystatechange=function(){
			   if(xmlHttp.readyState == 1) {
					document.getElementById('loading').className = 'memty';
					document.getElementById('loading').innerHTML = 'Loading';
			   }
			   if(xmlHttp.readyState == 4) {
					document.getElementById('loading').className = 'hidmemty';
					responseText = xmlHttp.responseText;
					eval(callBackFunction + "(type)");
			   }
			}
			isWorking = true;
			xmlHttp.send(parameters);
		}
}

// add meee!!
function newMOD(t) {
	var t = document.getElementById(t).value;
	if ( t == -1 ) {
		document.getElementById('n_model').className = 'memty';
	}
}

function addMOD(doi, type, t, cbfunc) {
	var method = "POST";
	var t = document.getElementById(t).value;
	var callBackFunction = escape(cbfunc);
	var params = "do=" + doi + "&id=" + t;
	ajax(method,params,callBackFunction,type);
}

function ResultMOD(type) {
	document.getElementById('d_model').className = 'memty';
	document.getElementById('h_model').innerHTML = responseText;
	isWorking = false;
}

function showDiv(id){
	document.getElementById(id).className = "memty";
}

// show album pic
function showPic(picid) {
	document.getElementById('picDiv').className = "memty";
	document.getElementById('picDiv').innerHTML = "<img src=\"/_images/"+picid+"\" /><p class=\"norm9\" style=\"text-align: right\"><a href=\"javascript:closeDiv('picDiv')\">Close</a></p>";
}

// close div
function closeDiv(DivID) {
	document.getElementById(DivID).className = "hidmemty";
}

// conf delete
function confDel(que) {
	var answer = confirm(que);
	if (answer){
		return true;
	}
	else{
		return false;
	}
}