var preloaddiapo='';
var start =0;
function createXHR() 
{
    var request = false;
        try {
            request = new ActiveXObject('Msxml2.XMLHTTP');
        }
        catch (err2) {
            try {
                request = new ActiveXObject('Microsoft.XMLHTTP');
            }
            catch (err3) {
		try {
			request = new XMLHttpRequest();
		}
		catch (err1) 
		{
			request = false;
		}
            }
        }
    return request;
}

function diaporama()
{ 
    var xhr = createXHR(); 

 
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
              if(xhr.status  == 200) {
			          document.getElementById("diaporamapreload").innerHTML = xhr.responseText;
								document.getElementById("diaporama").innerHTML = preloaddiapo;
								preloaddiapo= xhr.responseText;
								if(start==0){start=1;window.setTimeout("diaporama()",1);}
								else{window.setTimeout("diaporama()",10000);}
			}
         else {
                 document.getElementById("diaporama").innerHTML ="Error code " + xhr.status;
        }
      }
   }; 
	var tmp ='';
	var script = "diaporama.php";   // local script
	xhr.open("POST", script, true);		
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xhr.send("tmp=" + tmp);
} 
var offset=0;
var nbphoto=0;
function panphoto(cat, sens)
{ 
	
	if(sens=='p'){offset=offset+15;}
	if(sens=='m'){offset=offset-15;}
	if(parseInt(parseInt(offset)+15)>parseInt(nbphoto)){document.getElementById('panplus').style.display = 'none';}else{document.getElementById('panplus').style.display = 'block';}
	if(offset<15){document.getElementById('panmoins').style.display = 'none';}else{document.getElementById('panmoins').style.display = 'block';}	


    var xhr = createXHR();  
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
              if(xhr.status  == 200) {
			          document.getElementById("phvisite").innerHTML = xhr.responseText;	
			}
      }
   }; 
	var script = "/selpanphoto.php";   // local script
	xhr.open("POST", script, true);		
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xhr.send("cat=" + cat + "&offset=" + offset + "&nbphoto=" + nbphoto);
} 
function selordrecat(ob, divcat)
{ 

	cat = ob.options[ob.selectedIndex].value
	var xhr = createXHR();
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
              if(xhr.status  == 200) {
              if(xhr.responseText!=''){
				  if(document.getElementById(divcat)!=NaN && document.getElementById(divcat)!=null){
								 document.getElementById(divcat).innerHTML = xhr.responseText;
				  				}
							 }
				 }
         }
    }; 
	var script = "/gestion/selordrecat.php";   // local script
	xhr.open("POST", script, true);		
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xhr.send("cat=" + cat);
}