/*
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);",25);
}

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)
    
    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)
    
    // var img = document.getElementById(imagename); 
    
    //~ docwidth = truebody().clientWidth 
    //~ docheight = truebody().clientHeight


    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="loader_container"><div id="loader"><div align="center">Loading image preview...</div><div id="loader_bg"><div id="progress"> </div></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 + '" 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"

}

/* alt.js */

    var timerId = null
    var obj = new Array()

    function prepareShowAlt(event){
        idd = this.id
        if (idd.search("title_") == 0){
            idd = idd.substring(6)
            if ((typeof titles != "undefined") && (typeof titles[idd] != "undefined") && titles[idd].length > 0){
                text = titles[idd]
            }else{
                return;
            }
        }else{
            return
        }

        x = 0;
        y = 0;
        oX = 0;
        if (document.all){
            x = window.event.clientX
            y = window.event.clientY + document.body.scrollTop
        }else{
            x = event.clientX - oX
            y = event.clientY + window.scrollY
        }
        x += Math.round(xs[idd])
        y += Math.round(ys[idd])

        obj = new Array()
        obj[0] = text
        obj[1] = x
        obj[2] = y

        timerId = setTimeout("showAlt()", 500);
    }

    function showAlt(){
        text = obj[0]
        x = obj[1]
        y = obj[2]
        altd = document.getElementById('altDiv')
        altd.innerHTML = "<table cellpadding=3 cellspacing=0 style='background-color: #EEF6FF; border: solid #6A91B4 0px; font-family: tahoma;" + (text.length > 30 ? "width: 200px;" : "") +"'><tr><td style='color: #414041; font-size: 11px;'>" + text + "</td></tr></table>"
        altd.style.left = Math.min(x + 10,document.body.clientWidth-201)
        altd.style.top = y
        altd.style.display = 'inline'
    }

    function hideAlt(){
        obj = new Array()
        clearTimeout(timerId)
        altd = document.getElementById('altDiv')
        altd.innerHTML = ""
        altd.style.left = -100
        altd.style.top = -100
        altd.style.display = 'none'
    }

    function initAlts(){
        arr = document.getElementsByName('title')
        titles = new Array()
        xs = new Array()
        ys = new Array()
        for (i=0; i<arr.length; i++){
            itemm = arr.item(i)
            itemm.onmouseover = prepareShowAlt
            itemm.onmouseout = hideAlt
            itemm.id = "title_" + i
            titles[i] = itemm.title
            xs[i] = (typeof itemm.xs == 'undefined' ? 0 : itemm.xs)
            ys[i] = (typeof itemm.ys == 'undefined' ? 0 : itemm.ys)
            itemm.title = ""
        }
    }

/* loader.js */

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);
}