var arrow_upper_pos = false;
var arrow_display = false;
function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function showHideComments(show)
{
    var obj = document.getElementById('comments');
    var objn = document.getElementById('comments_num');
    if(obj){
        obj.style.display = show ? 'block' : 'none';
    }
    if(objn){
        objn.style.display = show ? 'none' : 'block';
    }
}  //  showHideComments

function expandComments()
{
    showHideComments(true);
}  //  expandComments

function collapseComments()
{
    showHideComments(false);
}  //  collapseComments

var cwu_display_delay = 2000;
var cwu_hide_delay = 13000;
var cwu_arrow_visible = false;
/*
window.addEvent('resize', function(){
    cwuCheckAndDisplayArrow();
});

window.addEvent("domready", function(){
    setTimeout("cwuCheckAndDisplayArrow()", cwu_display_delay);
});*/


function cwuCheckAndDisplayArrow()
{
    cwuDisplayArrow();
    if(!cwu_arrow_visible){
        cwu_arrow_visible = true;
        setTimeout("cwuHideArrow()", cwu_hide_delay);
    }
}

function cwuHideArrow()
{
	return;
/*
    var cwu = new Fx.Style('arrow', 'opacity', {duration: 2000}).addEvent('onComplete', function(){
        document.getElementById('arrow').style.display = 'none';
    });
    cwu.start(1, 0);
*/

    new Effect.Opacity('arrow',
    { duration: 2.0, 
      transition: Effect.Transitions.linear, 
      from: 1.0, to: 0.0 });

        setTimeout("cwuDisplayNone()", 1000);
}

function cwuDisplayNone()
{
	return;
	document.getElementById("arrow").style.top = "-500px";
	document.getElementById("arrow").style.display = "none";
}

function cwuDisplayArrow()
{
	return;	
    //var cwu = $('arrow');
    /*var fx = new Fx.Styles('arrow', {duration: 2000, wait: false});
    fx.options.transition = Fx.Transitions.Elastic.easeInOut;
    window.location.href = "#arrown";
    
    if(!arrow_upper_pos){
        fx.start({
            'left': [window.getScrollWidth() / 2 - 370],
            'top': [635]
        });
    } else {
        fx.start({
            'left': [window.getScrollWidth() / 2 - 370],
            'top': [435]
        });
    }*/


    //var xpos = window.getScrollWidth() / 2 - 370;
    //alert(xpos)
 var _x = 80;
 	
 
 		if(IE6) _x = 460;
      new Effect.Move ('arrow',{ x: _x, y: (!arrow_upper_pos ? 590 : 590), mode: 'relative', transition: Effect.Transitions.linear});
}
setTimeout("cwuCheckAndDisplayArrow()", 5000	);