var button=null;
function scrollMe(event)
  {
    var st = event.currentTarget.scrollTop + (event.detail * 12);
    event.currentTarget.scrollTop = st < 0 ? 0 : st;
    event.preventDefault();
  }

function windowHeight()
{
 if (window.innerHeight) return window.innerHeight;
 else if (document.body && document.body.clientHeight) return document.body.clientHeight;
 else return 0;
}
function windowWidth()
{
 if (window.innerWidth) return window.innerWidth;
 else if (document.body && document.body.clientWidth) return document.body.clientWidth;
 else return 0;
}

var bInitLayerScroll=false;
function windowSizeChange()
{
	obj=document.getElementById("LayerScroll");
	objMenu=document.getElementById("LayerScrollMenu");
	if (obj && objMenu)
	{
         if (!bInitLayerScroll && navigator.userAgent.indexOf("Firefox")!=-1)
         {
           obj.addEventListener('DOMMouseScroll', scrollMe, false);
           bInitLayerScroll=true;
         }
	  winWidth=windowWidth();
	placeButton=0;
	if (button!=null) 
	{
		placeButton=32;
		objButton=document.getElementById("LayerButton");
		if (objButton)
		{
		objButton.innerHTML="<table width='550' border='0' cellspacing='0' cellpadding='3'><tr>"+button+"</tr></table>";
		}

	}
	if (winWidth<1000)
        {
		obj.style.width=560;
		obj.style.height=350-placeButton;
		objMenu.style.height=245;
		document.body.background ="fond800x600.jpg";
	}
	else if (winWidth<1200)
        {
		obj.style.width=760;
		obj.style.height=520-placeButton;
		objMenu.style.height=410;
		document.body.background ="fond1024x768.jpg";
	  }
	else if (winWidth<1600)
        {
		obj.style.width=960;
		obj.style.height=650-placeButton;
		objMenu.style.height=676;
		document.body.background ="fond1280x1024.jpg";
	  }
	else
        {
		obj.style.width=1300;
		obj.style.height=765-placeButton;
		objMenu.style.height=950;
		document.body.background ="fond1600x1200.jpg";
	  }
	}
}
/*initialiser la surveillance de Netscape*/
if (window.innerWidth) window.onresize = windowSizeChange;


function openWindow(url)
{
    win=window.open(url ,"win",'screenX=0,screenY=0,left=0,top=0,width=790,height=570,scrollbars=yes');
}


function quit()
{
//  if (window.location.href.indexOf("http")==-1)
    window.close();
//  else
//    window.location.href="../index.htm";
}

//
// Obtention de l'objet selected parmis un groupe
//
function getValueSelected(object) 
{
  for (var i=0; i<object.length; i++) 
   if (object[i].selected) return object[i].value;
  return -1;
}


//
// Obtention de l'objet checked parmis un groupe (checkbox, radiobutton)
//
function getValueChecked(object) 
{
  for (var i=0; i<object.length; i++) 
   if (object[i].checked) return object[i].value;
  return -1;
}


function buttonBack(strText)
{
	buttonCancel("javascript:history.back();",strText);
}

function buttonDoSubmit(strOkText)
{
	buttonOk("javascript:doSubmit();",strOkText);
}


function buttonCancel(strCancel,strCancelText)
{
	buttonCancelImg(strCancel,strCancelText,"cancel");
}

function buttonCancelImg(strCancel,strCancelText,strIcon)
{
if (button==null) button="";
button+="<td valign='absmiddle'>";
button+="<a href=\"";
button+=strCancel;
button+="\">";
button+="<img align='absmiddle' src='";
button+=strIcon;
button+="_n.gif' border='0' name='cancel'";
button+=" onmouseout=\"cancel.src='";
button+=strIcon;
button+="_n.gif'\"";
button+=" onmouseover=\"cancel.src='";
button+=strIcon;
button+="_o.gif'\"";
button+=" title='";
button+=strCancelText;
button+="'";
button+=">";
button+=strCancelText;
button+="</a>";
button+="</td>";
}

function buttonOk(strOk,strOkText)
{
  buttonOkImg(strOk,strOkText,"ok");

}

function buttonOkImg(strOk,strOkText,strIcon)
{
if (button==null) button="<td>&nbsp;</td>";
button+="<td align='right' valign='absmiddle'>";
button+="<a href=\"";
button+=strOk;
button+="\">";
button+=strOkText;
button+="</a> ";

button+="<a href=\"";
button+=strOk;
button+="\">";
button+="<img align='absmiddle' src='"+strIcon+"_n.gif' border='0' name='ok"+strIcon+"'";
button+=" onmouseout=\"ok"+strIcon+".src='"+strIcon+"_n.gif'\"";
button+=" onmouseover=\"ok"+strIcon+".src='"+strIcon+"_o.gif'\"";
button+=" title='";
button+=strOkText;
button+="'";
button+=">";
button+="</a>";
button+="</td>";
}

var strSortSelect;
var strSortOrder;
var strSortClass;

/**
* M�thode pour effectuer un tri sur une colonne
*/
function tri(strColumnName,strField)
{
	str="<a href=\"javascript:doTri('"+strField+"');\">";
	str+="<span class='"+strSortClass+"'>";
	str+=strColumnName;
	str+="</span>";
	strUrl=window.location.href;
	if (strUrl.indexOf(strField)!=-1 || strField==strSortSelect)
	{
		if (strUrl.indexOf("sortorder_c=1")!=-1 || strSortOrder=="1")
		  str+="&nbsp;<img src='decroissant.gif' border='0'>"	
		else
		  str+="&nbsp;<img src='croissant.gif' border='0'>"	
	}
	str+="</a>";
	document.write(str);										
}


/**
* M�morisation des param�tres du tri actuel dans le cas ou
* les param�tres ne sont pas dans l'URL mais seulement dans le corps
*/
function setTri(_strSortSelect,_strSortOrder,_strSortClass)
{
	strSortSelect=_strSortSelect;
	strSortOrder=_strSortOrder;
	strSortClass=_strSortClass;
}

/**
* Effecture le tri sur un champs
*/
function doTri(strField)
{
	strLocation=_setParam(window.location.href,"sortselect_c",strField);
	strLocation=_xorParam(strLocation,"sortorder_c");
	window.location.href=strLocation;
}

/**
* Met un param�tre dans l'URL affich�e
*/
function setParam(strParam,strValue)
{
	window.location.href=_setParam(window.location.href,strParam,strValue);
}

/**
* Met un param�tre dans l'URL
*/
function _setParam(strLocation,strParam,strValue)
{
	nPos=strLocation.indexOf(strParam);
	if (nPos==-1)
	{
		if (strLocation.indexOf("?")==-1)
			return strLocation+"?"+strParam+"="+strValue;
		else
			return strLocation+"&"+strParam+"="+strValue;
	}
	else
	{
		nLength=1;
        for (i=nPos+strParam.length+1; i<strLocation.length; i++)
        {
           if (strLocation.charAt(i)=='&') break;
           nLength++;
        }
        return strLocation.substring(0,nPos+strParam.length+1)+strValue+strLocation.substring(nPos+strParam.length+nLength);
		
	}
	return strLocation;
}

/**
* Inverse un param�tre dans l'URL affich�e
*/
function xorParam(strParam)
{
	window.location.href=_xorParam(window.location.href,strParam);
}

/**
* Inverse un param�tre dans l'URL sp�cifi� en param�tre
*/
function _xorParam(strLocation,strParam)
{
	nPos=strLocation.indexOf(strParam);
	if (nPos==-1)
	{
		if (strLocation.indexOf("?")==-1)
			return strLocation+"?"+strParam+"=1";
		else
			return strLocation+"&"+strParam+"=1";
	}
	else
	{
		nPos+=strParam.length+1;
		if (strLocation.charAt(nPos)=='1')
		  strNewValue="0";
		else
		{
		  strNewValue="1";
		}
        return strLocation.substring(0,nPos)+strNewValue+strLocation.substring(nPos+1);
	}	
}

function httpRequest(_url,_data)
{
	var xhr_object = null; 
	 
	if(window.XMLHttpRequest) // Firefox 
	   xhr_object = new XMLHttpRequest(); 
	else if(window.ActiveXObject) // Internet Explorer 
	   xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
	else { // XMLHttpRequest non support� par le navigateur 
	   window.location.href=_url; 
	   return; 
	} 
	
	// On enl�ve les param�tres s'i y en a
	if (_url.indexOf("?")!=-1)
	  _url=_url.substring(0,_url.indexOf("?"));
	  
	xhr_object.open("GET", _url + "?"+ _data, false); 
	xhr_object.send(null); 
	if(xhr_object.readyState != 4) alert("Impossible d'envoyer la requ�te."); 
	return xhr_object.responseText;
}

function httpRequestAddCookie(_addCookie,_what,_nb)
{
	data="addcookie=" + _addCookie;
	data+="&what=" + _what;
	data+="&nb=" + _nb;
	httpRequest(window.location.href,data);
}

function httpRequestAddToBasket(_id)
{
	data="action=addtocart";
	data+="&what=da_zip" + _id;
	data+="&nb=0";
	httpRequest(window.location.href,data);
	nbFichiers=httpRequest(window.location.href,"action=getnbcart");
	displayBasket(nbFichiers);
}

function httpRequestDelFromBasket(_id)
{
	data="action=delfromcart";
	data+="&what=da_zip" + _id;
	data+="&nb=0";
	httpRequest(window.location.href,data);
	nbFichiers=httpRequest(window.location.href,"action=getnbcart");
	displayBasket(nbFichiers);
}

function displayBasket(_nbFichiers)
{
	var str="";
	if (_nbFichiers!=0)
	{
		str="<a href='panier'><span class='w_td'>";
		str+="<img src='basket.gif' border='0' align='middle'/>&nbsp;"
		if (_nbFichiers<0)
			str+="Le fichier a &eacute;t&eacute; ajout&eacute; au panier";
		else if (_nbFichiers==1 || _nbFichiers=="1")
			str+="1 fichier dans le panier";
		else
			str+=_nbFichiers+" fichiers dans le panier";
		str+="</span></a>"
	}
	obj=document.getElementById("LayerBasket");
	if (obj)
	obj.innerHTML=str;

}

/**
* Fait un chargement ftp et indique au serveur que l'utilisateur l'a lanc�
*/
function ftp(_url,_id)
{
	data="action=addHisto";
	data+="&TypeAndID=" + _id;
	data+="&what=402"; // d�fini par com.td.treedbms_or.typesql.TypeHistoAbs.WHAT_FTP
	data+="&Texte=" + _url;
	httpRequest(window.location.href,data);
	window.location.href=_url;
}