function getElementHeight(Elem) {
	if (ns4) {
		var elem = getObjNN4(document, Elem);
		return elem.clip.height;
	} else {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		if (op5) { 
			xPos = elem.style.pixelHeight;
		} else {
			xPos = elem.offsetHeight;
		}
		return xPos;
	} 
}

function loadData(bd, nom_dossier,photo)
	{
	var scrollTop = document.documentElement.scrollTop;
	var scrollLeft = document.documentElement.scrollLeft;

	if (scrollTop == 0 ) scrollTop = document.body.scrollTop;
	if (scrollLeft == 0 ) scrollLeft = document.body.scrollLeft;

	document.getElementById('popup').style.top=scrollTop + 'px';
	document.getElementById('popup').style.left=scrollLeft + 'px';
	document.getElementById('loading').style.top=scrollTop + 'px';
	document.getElementById('loading').style.left=scrollLeft + 'px';

	//document.getElementById('masque').style.height= document.body.clientHeight + 'px';//document.documentElement.clientHeight + 'px';// 
    document.getElementById('masque').style.top=scrollTop + 'px';
    document.getElementById('masque').style.display='block';
    
	sendData('bd='+ bd + '&photo='+ photo +'&nom_dossier='+ nom_dossier, 'popup.php');
	}


function sendData(data, page)
	{
	// affichage du loading...
	document.getElementById('loading').style.display='inline';
	if(window.ActiveXObject)
		{
		//Internet Explorer
		var XhrObj = new ActiveXObject("Microsoft.XMLHTTP") ;
		}
    else
    		{
		var XhrObj = new XMLHttpRequest();
		}
    
	//définition de l'endroit d'affichage:
	var content = document.getElementById("popup");

	//Ouverture du fichier en methode POST
	XhrObj.open("POST", page);

	//Ok pour la page cible
	XhrObj.onreadystatechange = function()
		{
		if (XhrObj.readyState == 4 && XhrObj.status == 200)
			{
			content.innerHTML = XhrObj.responseText ;
			// fermeture du loading...
			document.getElementById('loading').style.display='none';
			}
		}    

		XhrObj.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		XhrObj.send(data);
	}

function closeData()
	{
	document.getElementById('popup').innerHTML = '';
	document.getElementById('masque').style.display='none';
	}