// JavaScript Document





function setActive() {
  aObj = document.getElementById('nav').getElementsByTagName('a');
  for(i=0;i<aObj.length;i++) {
    if(document.location.href.indexOf(aObj[i].href)>=0) {
      aObj[i].className='active';
    }
  }
}


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];}
}



// fade-in background image //
//function opacity(id, opacStart, opacEnd, millisec) {
//    //speed for each frame
//    var speed = Math.round(millisec / 100);
//    var timer = 0;
//
//    //determine the direction for the blending, if start and end are the same nothing happens
//    if(opacStart > opacEnd) {
//        for(i = opacStart; i >= opacEnd; i--) {
//            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
//            timer++;
//        }
//    } else if(opacStart < opacEnd) {
//        for(i = opacStart; i <= opacEnd; i++)
//            {
//            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
//            timer++;
//        }
//    }
//}
//
////change the opacity for different browsers
//function changeOpac(opacity, id) {
//    var object = document.getElementById(id).style;
//    object.opacity = (opacity / 100);
//    object.MozOpacity = (opacity / 100);
//    object.KhtmlOpacity = (opacity / 100);
//    object.filter = "alpha(opacity=" + opacity + ")";
//} 


//function onLoadHandler(){
//setActive();
//opacity(‘bg_img‘,0,100,200);
//}

window.onload = setActive;
//window.onload = opacity(‘bg_img2‘,0,100,500);

var showId = 0;

var s = 0;

function show () {

            s=s+4;

            var object = document.getElementById("bg_img2","bg_img3").style;

    object.opacity = (s/100);

            object.MozOpacity = (s/100);

    object.KhtmlOpacity = (s/100);

    object.filter = "alpha(opacity="+s+")";

           

            document.getElementById("bg_img2","bg_img3").style.visibility = "visible";     

            if (s == 100) {

                        clearInterval ( showId );

                        showId = 0;

            }

}

showId = setInterval ("show ()", 100);