/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[50,35]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.

var defaultimageheight = 420;	// maximum image size.
var defaultimagewidth = 560;	// maximum image size.

var timer;

function gettrailobj(){
if (document.getElementById)
return document.getElementById("brzi_pregled_slike").style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("brzi_pregled_slike")
}

function gettrailobj_teme(){
if (document.getElementById)
return document.getElementById("brzi_pregled_teme").style
}

function gettrailobj_temenostyle_teme(){
if (document.getElementById)
return document.getElementById("brzi_pregled_teme")
}

function truebody(){
// return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}


function sakri_brzi_pregled(){	
	gettrailobj().display= "none";
	document.onmousemove=""
	gettrailobj().left="-620px"
	clearTimeout(timer);
}

function prikazi_brzi_pregled(imagename,width,height){
	i = imagename
	w = width
	h = height
	timer = setTimeout("show('"+i+"',w,h);",025);
}
function show(imagename,width,height){
 
    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';
		
		defaultimageheight = height
		defaultimagewidth = width
	
		document.onmousemove=followmouse; 

		
		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">Ucitavanje...</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
		
    	newHTML = newHTML + '<img onload="javascript:remove_loading();" src="' + imagename + '" border="0">';
		newHTML = newHTML + '</div>'; 
		
		if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
			newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
		}		

		gettrailobjnostyle().innerHTML = newHTML;
		gettrailobj().display="block";
	}
}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		// if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
		if (docwidth - e.pageX < docwidth/2){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		// Google Chrome Bug Fix :)
		if (navigator.userAgent.indexOf("Chrome")!=-1){
			ycoord += e.pageY - docheight / 2;
		} else if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

function sakri_brzi_pregled_teme(){	
	gettrailobj_teme().display= "none";
	document.onmousemove=""
	gettrailobj_teme().left="-620px"
	clearTimeout(timer);
}

function prikazi_brzi_pregled_teme(tekst,width,height){
	i = tekst
	w = width
	h = height
	timer = setTimeout("pokazi_temu('"+i+"',w,h);",025);
}

function pokazi_temu(autor,tekst,width,height){
 
    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';
		
		defaultimageheight = height
		defaultimagewidth = width
	
		document.onmousemove=followmouse_teme; 

		
		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px">';
		
    	newHTML = newHTML + '<div class="komentar-kontejner" style="font-size: 0.85em">' + autor + '<div class="komentar-teme">' + tekst + '</div></div>';
		newHTML = newHTML + '</div>'; 
		
		if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
			newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
		}		

		gettrailobj_temenostyle_teme().innerHTML = newHTML;
		gettrailobj_teme().display="block";
	}
}

function followmouse_teme(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		// if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
		if (docwidth - e.pageX < docwidth/2){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		// Google Chrome Bug Fix :)
		if (navigator.userAgent.indexOf("Chrome")!=-1){
			ycoord += e.pageY - docheight / 2;
		} else if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj_teme().left=xcoord+"px"
	gettrailobj_teme().top=ycoord+"px"

}