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

var w=1
var h=1

if (document.getElementById || document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px;border:1px solid #000000;background:#ffffff;"><img id="ttimg" src="img/s.gif" /></div>')

function gettrailobj()
{
	if (document.getElementById) return document.getElementById("trailimageid").style
	else if (document.all) return document.all.trailimagid.style
}

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

function hidetrail()
{
	document.onmousemove=""
	document.getElementById('ttimg').src='img/s.gif'
	gettrailobj().visibility="hidden"
	gettrailobj().left=-1000
	gettrailobj().top=0
}


function showtrail(width,height,file)
{
	if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
	{
	w=width
	h=height

	// followmouse()

	gettrailobj().visibility="visible"
	gettrailobj().width=w+"px"
	gettrailobj().height=h+"px"
	document.getElementById('ttimg').src=file
	document.onmousemove=followmouse
	}
}

function followmouse(e)
{
	if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
	{
	var xcoord=20
	var ycoord=20

	if (typeof e != "undefined")
	{
	xcoord+=e.pageX
	ycoord+=e.pageY
	}
	else if (typeof window.event !="undefined")
	{
	xcoord+=truebody().scrollLeft+event.clientX
	ycoord+=truebody().scrollTop+event.clientY
	}

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)

	if (xcoord+w+3>docwidth)
	xcoord=xcoord-w-(20*2)

	if (ycoord-truebody().scrollTop+h>truebody().clientHeight)
	ycoord=ycoord-h-20;

	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
	}
}


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_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_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];}
}



function PopupImage(img) {
titre=":: FOOTIK.com ::";
w=open("",'image','width=800,height=600,toolbar=no,scrollbars=no,resizable=no');
w.document.write("<HTML><HEAD><TITLE>"+titre+"</TITLE></HEAD>");
w.document.write("<SCRIPT language=javascript>function checksize() { if (document.images[0].complete) { window.resizeTo(document.images[0].width+10,document.images[0].height+30); window.focus();} else { setTimeout('checksize()',250) } }</"+"SCRIPT>");
w.document.write("<BODY onload='checksize()' onblur='window.close()' onclick='window.close()' leftMargin=0 topMargin=0 marginwidth=0 marginheight=0>");
w.document.write("<TABLE width='100%' border='0' cellspacing='0' cellpadding='0' height='100%'><TR>");
w.document.write("<TD valign='middle' align='center'><a href=\"#\"><IMG src='"+img+"' border=0 alt='Cliquer pour fermer cette photo'></a>");
w.document.write("</TD></TR></TABLE>");
w.document.write("</BODY></HTML>");
w.document.close();
}


function writediv(ElemId,texte)
{
document.getElementById(ElemId).innerHTML = texte;
}

function getXhr(){
                    var xhr = null;
	if(window.XMLHttpRequest) // Firefox et autres
	   xhr = new XMLHttpRequest();
	else if(window.ActiveXObject){ // Internet Explorer
	   try {
                xhr = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                xhr = new ActiveXObject("Microsoft.XMLHTTP");
            }
	}
	else { // XMLHttpRequest non supporté par le navigateur
	   alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
	   xhr = false;
	}
                    return xhr
}


/**
* Méthode qui sera appelée sur le click du bouton
*/
function go(user_id, photo_id, message_vote, nbr_vote){

	var xhr = getXhr()
	// On défini ce qu'on va faire quand on aura la réponse
	xhr.onreadystatechange = function(){

		// On ne fait quelque chose que si on a tout reçu et que le serveur est ok

		if(xhr.readyState == 4 && xhr.status == 200){
			var nbvote =  xhr.responseText;

			//alert(nbvote);
			if (nbvote=='-1')
			{
				writediv(message_vote,'pas connecté !');
			}
			else if (nbvote=='-2'){
				writediv(message_vote,'deja voté !');
			}
			else if (nbvote>'0'){
				writediv(nbr_vote,nbvote);
				writediv(message_vote,'&nbsp;<b>voté !</b>');
			}
			else {
				writediv(message_vote,'erreur:'+nbvote);
			}
		}
	}
	xhr.open("GET","valide_vote.php?user_id="+user_id+"&photo_id="+photo_id,true);
	xhr.send(null);
}


