function reload_captcha(url)
{
    var alea = Math.round(Math.random(0)*10000);
    document.getElementById('captcha').src = url+'?random='+alea;
}
function open_pop(theURL,winName,features) 
{
    window.open(theURL,winName,features);
}

function javascript_get(param) {
	var chaine=window.location.search;
	chaine=chaine.substring(1);
	var dz=chaine.indexOf("#",0);
	if(dz!=-1) {
	chaine=chaine.substring(0,dz);}
	chaine=chaine+"&";
	if(chaine.indexOf(param,0)!=-1){
	var pos=chaine.indexOf(param,0);
	var pos2=chaine.indexOf("=",pos);
	var pos3=chaine.indexOf("&",pos);
	contenu=chaine.substring(pos2+1,pos3);}
	return contenu;
} 

function load_div(id, texte) {
	if ($('#'+id+'').is(":block"))
	{
		$('#'+id+'').slideUp("fast");
		document.getElementById(id).innerHTML = texte;
		$('#'+id+'').slideDown("middle");
	}
	else
	{
		document.getElementById(id).innerHTML = texte;
		$('#'+id+'').slideDown("middle");
	}
}

function ajax_post(fichier, params)
{
	if(window.XMLHttpRequest) // FIREFOX
	{
		xhr_object = new XMLHttpRequest(); 
	}
	else if(window.ActiveXObject) // IE
	{
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
	}
	else
	{
		return(false); 
	}
	xhr_object.open("POST", fichier, false); 
	xhr_object.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
	xhr_object.send(params); 
	if(xhr_object.readyState == 4)
	{
		var response = xhr_object.responseText;
		return response;

	}
	else
	{
		return(false);
	}
}