//Browser detection
var AgntUsr=navigator.userAgent.toLowerCase();
var DomYes=(document.getElementById)?1:0; 												// DOM
var NavYes=(AgntUsr.indexOf('mozilla')!=-1&&AgntUsr.indexOf('compatible')==-1)?1:0; 	// Netscape
var ExpYes=(AgntUsr.indexOf('msie')!=-1)?1:0; 											// IExplorer
var Opr=(AgntUsr.indexOf('opera')!=-1||AgntUsr.indexOf('opera')!=-1)?1:0; 				// Opera
var Opr5=(AgntUsr.indexOf('opera 5')!=-1||AgntUsr.indexOf('opera/5')!=-1)?1:0; 			// Opera 5
var Opr6=(AgntUsr.indexOf('opera 6')!=-1||AgntUsr.indexOf('opera/6')!=-1)?1:0; 			// Opera 6
var Opr7=(AgntUsr.indexOf('opera 7')!=-1||AgntUsr.indexOf('opera/7')!=-1)?1:0; 			// Opera 7
var DomNav=(DomYes&&NavYes)?1:0; 														// Netscape 6 up
var Exp5=(AgntUsr.indexOf('msie 5')!=-1)&&(AgntUsr.indexOf('gecko') == -1)?1:0;			// IE 5
var DomExp=(DomYes&&ExpYes)?1:0; 														// IExplorer 5 up
var Nav4=(NavYes&&!DomYes&&document.layers)?1:0; 										// Netscape 4
var Exp4=(ExpYes&&!DomYes&&document.all)?1:0; 											// IExplorer 4
var Saf=(AgntUsr.indexOf('safari')!=-1)?1:0;											// Safari
var PosStrt=((NavYes||ExpYes)&&!Opr5)?1:0; 												// Can start
var OS="";	

var detect = navigator.userAgent.toLowerCase();
function checkIt(string) {
	var place = detect.indexOf(string) + 1;
	var thestring = string;
	return place;
}

if (checkIt('linux')) OS = "Windows";
else if (checkIt('x11')) OS = "Windows";
else if (checkIt('mac')) OS = "Mac";
else if (checkIt('win')) OS = "Windows";
else OS = "an unknown operating system";

function returnWinHeight() {
	var winHeight = 0;
	if (ExpYes && OS != "Mac") {
		if (document.compatMode && document.compatMode != "BackCompat")
			winHeight = document.documentElement.clientHeight;
		else
			winHeight = document.body.clientHeight;
	} else if (OS == "Mac" && Saf) {
		winHeight = window.innerHeight;
	} else {
		if (document.compatMode && document.compatMode != "BackCompat")
			if(document.documentElement.clientHeight > 0)
				winHeight = document.documentElement.clientHeight;
			else
				winHeight = document.body.clientHeight;
		else
			winHeight = document.body.clientHeight;
	}
	return winHeight;
}

function setHeight() {
	var minusHeight = 98;
	document.getElementById("scroll").style.height = (returnWinHeight() - minusHeight) + "px";
}

//on resize
window.onresize = setHeight;

function writeDiv(div, html) {
	var evaldiv;
	if (DomExp || Opr=="1") {
		evaldiv = eval(div);
		evaldiv.innerHTML = html;
	} else if (DomNav) {
		(document.getElementById(div)).innerHTML = html;
	}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function validateString(what) {
	//check if string empty
	if (what != "")
		return false;
	else
		return true;
}
function compareString(what1, what2) {
	//compare 2 strings
	if (what1 == what2)
		return false;
	else
		return true;
}
function stringLength(tString, tLength1, tLength2) {
	//check if string length is in range
	if ((tString.length >= tLength1) && (tString.length <= tLength2))
		return false;
	else
		return true;
}
function validateEmail(what) {
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(what)) 
		return false;
	else 
		return true;
}
function debug(what) {
	document.getElementById("debuger").value += what + "\n";
}

function loadFragmentInToElement(url) {
    var element = document.getElementById("sredina");
    element.innerHTML = '<p><em>Loading ...</em></p>';
	 var xmlhttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");
    xmlhttp.open("GET", url);
    xmlhttp.onreadystatechange = function() {
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            element.innerHTML = xmlhttp.responseText;
        }
    }
    xmlhttp.send(null);
} 

function change(id) {
	for (i = 1; i <= 8; i++) {
			navigacijaID = "navigacija-" + i;
			identity=document.getElementById(navigacijaID);
			identity.className="item";
			if (i <= 7) {
				sepID = "sep-" + i;
				identity2=document.getElementById(sepID);
				identity2.className="sep-off";
			}
	}
	navigacijaID = "navigacija-" + id;
	identity3=document.getElementById(navigacijaID);
	identity3.className="item-on";
	if (id == 1) {
		sepID = "sep-" + id;
		identity4=document.getElementById(sepID);
		identity4.className="sep-on";
	} else {
		if (id == 8) {
			id = id - 1;
			sepID = "sep-" + id;
			identity5=document.getElementById(sepID);
			identity5.className="sep-on";
		} else {
			sepID = "sep-" + id;
			identity6=document.getElementById(sepID);
			identity6.className="sep-on";
			id = id - 1;
			sepID = "sep-" + id;
			identity7=document.getElementById(sepID);
			identity7.className="sep-on";
		}
	}
}

function otvaranje (ukupno, zaOtvoriti) {
	for (i = 1; i <= ukupno; i++) {
		uvjetiID = "uvjeti-" + i;
		identity=document.getElementById(uvjetiID);
		identity.style.display="none";
	}
	zaPrikazID="uvjeti-" + zaOtvoriti;
	zaPrikaz=document.getElementById(zaPrikazID);
	zaPrikaz.style.display="inline";
}