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

var offsetfrommouse=[15,25]; //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 = 40;	// maximum image size.
var defaultimagewidth = 40;	// maximum image size.

var timer;

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

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


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


function hidetrail(){	
	gettrailobj().display= "none";
	document.onmousemove=""
	gettrailobj().left="-500px"
	clearTimeout(timer);
}

function showtrail(imagename,title,width,height){
	i = imagename
	t = title
	w = width
	h = height
	timer = setTimeout("show('"+i+"',t,w,h);",200);
}
function show(imagename,title,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: '';
			
		width+=30
		height+=55
		defaultimageheight = height
		defaultimagewidth = width
	
		document.onmousemove=followmouse; 

		
		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px"><div id="logo"><img src="images/logo.gif" alt="Sitefique.com"></div><div id="loader_container"><div id="loader"><div align="center">Carregando...</div><div id="loader_bg"><img src="images/carregando3.gif" ></div></div></div>';
		newHTML = newHTML + '<h2 class="title_h2">' + ' '+title + '</h2>'
		
    	newHTML = newHTML + '<div class="preview_temp_load"><img onload="javascript:remove_loading();" src="' + imagename + '" alt="Imagem Preview" border="0"></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>';
		}		

		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]){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		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"

}
var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;

function animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
if (pos==0) len += dir;
if (len>32 || pos>79) pos += dir;
if (pos>79) len -= dir;
if (pos>79 && len==0) pos=0;
elem.style.left = pos;
elem.style.width = len;

}
}

function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}

// [0] - current id [1] - id prefix [2] - true = not auto open [3] - true = auto hide [4] - force current popuped block for show|hide onclick
var current_popuppeds=new Array(
	new Array("","search-type_",true,true,true),
	new Array("","category_",true,true,true),
	new Array("","style_",true,true,true),
	new Array("","author_",true,true,true)
	);

var IE = 0;
if (navigator.userAgent.indexOf("MSIE")!=-1) IE = 1;
var IE70 = 0;
if (navigator.userAgent.indexOf("MSIE 7.0")!=-1) IE70 = 1;
var konqueror = 0;
if (navigator.userAgent.indexOf("Konqueror") !=-1) konqueror = 1;
var opera = 0;
if (navigator.userAgent.indexOf("Opera")!=-1) opera = 1;
var FF20 = 0;
if (navigator.userAgent.indexOf("Firefox/2.0")!=-1) FF20 = 1;
var FF15 = 0;
if (navigator.userAgent.indexOf("Firefox/1.5")!=-1) FF15 = 1;
var safari419_3 = 0;
if (navigator.userAgent.indexOf("Safari/419")!=-1) safari419_3 = 1;

function show_hide_block(block,id){
	var div_block=document.getElementById(current_popuppeds[block][1]+id);
	if(div_block.style.visibility == 'visible' && (!current_popuppeds[block][2] || current_popuppeds[block][4])) {
		div_block.style.visibility = 'hidden';
		removeBodyClickListener();
	} else if(div_block!=null) {
		auto_hide_blocks();
		div_block.style.visibility = 'visible';
		addBodyClickListener();
	}
	 		
	if((current_popuppeds[block][0]!="") && (current_popuppeds[block][0]!=id)){
		var div_block=document.getElementById(current_popuppeds[block][1]+current_popuppeds[block][0]);
	 	div_block.style.visibility = 'hidden';
		removeBodyClickListener();
	}

	//change_visibility(current_popuppeds[block][1]);
	 		
	current_popuppeds[block][0]=id;
}

/*
function change_visibility(elementId) {
	if (elementId == "search-type_") {
		var elementObject = document.getElementById(elementId);
		if (elementObject != null) {
				elementObject.disabled = false;
		}
	}
}
*/

function auto_hide_blocks(){
	var i=0;
	for(i=0;i<current_popuppeds.length;i++){
		if(current_popuppeds[i][3] && current_popuppeds[i][0] != ""){
			var div_block=document.getElementById(current_popuppeds[i][1]+current_popuppeds[i][0]);
			if(div_block!=null) { 
				div_block.style.visibility = 'hidden';
 				//change_visibility(current_popuppeds[i][1]);
			}
		}
	}
	removeBodyClickListener();
}

function hide_all_blocks(event){
	if((event.type=='mousedown'&&event.button==0) || event == 'mousedown'){
		var i=0;
		for(i=0;i<current_popuppeds.length;i++){
			if(current_popuppeds[i][2] &&  current_popuppeds[i][0] != ""){
 				var div_block=document.getElementById(current_popuppeds[i][1]+current_popuppeds[i][0]);
 				if(div_block!=null)div_block.style.visibility = 'hidden';
 				//change_visibility(current_popuppeds[i][1]);
			}
		}
		removeBodyClickListener();
	}
	return(true);
}											

function hide_all_blocks_listener() {
	hide_all_blocks('mousedown');
}

function cancelBubbleEvent(elementObject, event) {
	event.cancelBubble=true;
	if (event.stopImmediatePropagation) {
			event.stopImmediatePropagation();
	}
	if (event.stopPropagation) {
		event.stopPropagation();
	}
	if (elementObject.stopPropagation) {
		elementObject.stopPropagation();
	}
	
	return false;
}


function addBodyClickListener() {
	AttachEvent(document.body, 'mousedown', hide_all_blocks_listener, false);
}

function removeBodyClickListener() {
	if (document.body.removeEventListener){ //Mozilla
		document.body.removeEventListener("mousedown", hide_all_blocks_listener, false); 
	} else if (document.detachEvent){ //IE
		document.body.detachEvent('mousedown', hide_all_blocks_listener);
	}
}


function AttachEvent(obj,evt,fnc,useCapture){
	if (!useCapture) useCapture=false;
	if (obj.addEventListener){
		obj.addEventListener(evt,fnc,useCapture);
		return true;
	} else if (obj.attachEvent) return obj.attachEvent("on"+evt,fnc);
	else{
		MyAttachEvent(obj,evt,fnc);
		obj['on'+evt]=function(){ MyFireEvent(obj,evt) };
	}
} 

//The following are for browsers like NS4 or IE5Mac which don't support either
//attachEvent or addEventListener
function MyAttachEvent(obj,evt,fnc){
	if (!obj.myEvents) obj.myEvents={};
	if (!obj.myEvents[evt]) obj.myEvents[evt]=[];
	var evts = obj.myEvents[evt];
	evts[evts.length]=fnc;
}
function MyFireEvent(obj,evt){
	if (!obj || !obj.myEvents || !obj.myEvents[evt]) return;
	var evts = obj.myEvents[evt];
	for (var i=0,len=evts.length;i<len;i++) evts[i]();
}
//---------------------------------------------------------------------

function poppuperSearchType(elementObject, event) {
//	if (!IE || IE70) {
//		elementObject.size=4;
//		elementObject.size=0;
//	}
//	if (!FF15 && !safari419_3) {
	//	elementObject.disabled = true;
//	}
	show_hide_block('0','search-type');
	cancelBubbleEvent(elementObject, event);
	//elementObject.blur();
	//elementObject.disabled = false;
	return false;
}



function poppuperCategory(elementObject, event) {
//	if (!IE || IE70) {
//		elementObject.size=4;
//		elementObject.size=0;
//	}
//	if (!FF15 && !safari419_3) {
	//	elementObject.disabled = true;
//	}
	show_hide_block('1','category');
	cancelBubbleEvent(elementObject, event);
	//elementObject.blur();
	//elementObject.disabled = false;
	return false;
}

function poppuperStyle(elementObject, event) {
//	if (!IE || IE70) {
//		elementObject.size=4;
//		elementObject.size=0;
//	}
//	if (!FF15 && !safari419_3) {
	//	elementObject.disabled = true;
//	}
	show_hide_block('2','style');
	cancelBubbleEvent(elementObject, event);
	//elementObject.blur();
	//elementObject.disabled = false;
	return false;
}

function poppuperAuthor(elementObject, event) {
//	if (!IE || IE70) {
//		elementObject.size=4;
//		elementObject.size=0;
//	}
//	if (!FF15 && !safari419_3) {
	//	elementObject.disabled = true;
//	}
	show_hide_block('3','author');
	cancelBubbleEvent(elementObject, event);
	//elementObject.blur();
	//elementObject.disabled = false;
	return false;
}