// functions.js
// javascript functions ....

// ---------------------------------------------------------------------------------------------
// functions for popup hidden div ...

function getElementLeft(elm) 
{
    var x = 0;

    //set x to elm¿s offsetLeft
    x = elm.offsetLeft;

    //set elm to its offsetParent
    elm = elm.offsetParent;

    //use while loop to check if elm is null
    // if not then add current elm¿s offsetLeft to x
    //offsetTop to y and set elm to its offsetParent

    while(elm != null)
    {
        x = parseInt(x) + parseInt(elm.offsetLeft);
        elm = elm.offsetParent;
    }
    return x;
}

function getElementTop(elm) 
{
    var y = 0;

    //set x to elm¿s offsetLeft
    y = elm.offsetTop;

    //set elm to its offsetParent
    elm = elm.offsetParent;

    //use while loop to check if elm is null
    // if not then add current elm¿s offsetLeft to x
    //offsetTop to y and set elm to its offsetParent

    while(elm != null)
    {
        y = parseInt(y) + parseInt(elm.offsetTop);
        elm = elm.offsetParent;
    }

    return y;
}

function Large(obj)
{
    var imgbox=document.getElementById("imgbox");
    imgbox.style.visibility='visible';
    var img = document.createElement("img");
    img.src=obj.src;
    img.style.width='400px';
    img.style.height='600px';
    
    if(img.addEventListener){
        img.addEventListener('mouseout',Out,false);
    } else {
        img.attachEvent('onmouseout',Out);
    }             
    imgbox.innerHTML='';
    imgbox.appendChild(img);
    imgbox.style.left=(getElementLeft(obj)-50) +'px';
    imgbox.style.top=(getElementTop(obj)-250) + 'px';
}

function Out()
{
    document.getElementById("imgbox").style.visibility='hidden';
}


// ---------------------------------------------------------------------------------------------
// functions for home page slideshow ...

////NO need to edit beyond here/////////////

var bgcolor='white'

var imageholder=new Array()
for (i=0;i<slideshowcontent.length;i++){
imageholder[i]=new Image()
imageholder[i].src=slideshowcontent[i][0]
}

var ie4=document.all
var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1

if (ie4||dom)
document.write('<div style="position:relative;width:'+trans_width+';height:'+trans_height+';overflow:hidden"><div id="canvas0" style="position:absolute;background-color:'+bgcolor+';width:'+trans_width+';height:'+trans_height+';left:-'+trans_width+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div><div id="canvas1" style="position:absolute;background-color:'+bgcolor+';width:'+trans_width+';height:'+trans_height+';left:-'+trans_width+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div></div>')
else if (document.layers){
document.write('<ilayer id=tickernsmain visibility=hide width='+trans_width+' height='+trans_height+' bgColor='+bgcolor+'><layer id=tickernssub width='+trans_width+' height='+trans_height+' left=0 top=0>'+'<img src="'+slideshowcontent[0][0]+'"></layer></ilayer>')
}

var curpos=trans_width*(-1)
var curcanvas="canvas0"
var curindex=0
var nextindex=1

function getslidehtml(theslide){
var slidehtml=""
if (theslide[1]!="")
slidehtml='<a href="'+theslide[1]+'" target="'+theslide[2]+'">'
slidehtml+='<img src="'+theslide[0]+'" border="0">'
if (theslide[1]!="")
slidehtml+='</a>'
return slidehtml
}

function moveslide(){
if (curpos<0){
curpos=Math.min(curpos+degree,0)
tempobj.style.left=curpos+"px"
}
else{
clearInterval(dropslide)
if (crossobj.filters)
crossobj.filters.alpha.opacity=100
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=1
nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"
tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
tempobj.innerHTML=getslidehtml(slideshowcontent[curindex])
nextindex=(nextindex<slideshowcontent.length-1)? nextindex+1 : 0
setTimeout("rotateslide()",pause)
}
}

function rotateslide(){
if (ie4||dom){
resetit(curcanvas)
crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
crossobj.style.zIndex++
if (crossobj.filters)
document.all.canvas0.filters.alpha.opacity=document.all.canvas1.filters.alpha.opacity=20
else if (crossobj.style.MozOpacity)
document.getElementById("canvas0").style.MozOpacity=document.getElementById("canvas1").style.MozOpacity=0.2
var temp='setInterval("moveslide()",50)'
dropslide=eval(temp)
curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
}
else if (document.layers){
crossobj.document.write(getslidehtml(slideshowcontent[curindex]))
crossobj.document.close()
}
curindex=(curindex<slideshowcontent.length-1)? curindex+1 : 0
}

function jumptoslide(which){
curindex=which
rotateslide()
}

function resetit(what){
curpos=parseInt(trans_width)*(-1)
var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
crossobj.style.left=curpos+"px"
}

function startit(){
crossobj=ie4? eval("document.all."+curcanvas) : dom? document.getElementById(curcanvas) : document.tickernsmain.document.tickernssub
if (ie4||dom){
crossobj.innerHTML=getslidehtml(slideshowcontent[curindex])
rotateslide()
}
else{
document.tickernsmain.visibility='show'
curindex++
setInterval("rotateslide()",pause)
}
}