var divBloquer=null;
var divChargement=null;
var divMessage=null;

var nav=navigator.appName.substring(0,3);
if (nav=="Mic")
{
	var clientWidth=screen.availWidth;
	var clientHeight=screen.availHeight;
}
else
{
	var clientWidth=innerWidth;
	var clientHeight=innerHeight;

}

function cgu() {
	document.open ('http://www.bde-academy.com/cgu.html', 'Conditions_générales_d_utilisation', config='width=684, toolbar=no, menubar=no, scrollbars=yes, resizable=no, location=no, directories=no, status=no');
}
function pdc() {
	document.open ('http://www.bde-academy.com/pdc.html', 'Politique_de_confidentialité', config='width=684, toolbar=no, menubar=no, scrollbars=yes, resizable=no, location=no, directories=no, status=no');
}

function sdc() {
	document.open ('http://www.bde-academy.com/sdc.html', 'Système_de_classement', config='width=684, toolbar=no, menubar=no, scrollbars=yes, resizable=no, location=no, directories=no, status=no');
}

function bloquerPage(bloquer)
{
	if (bloquer)
		var display='block';
	else
		var display='none';
	
	if (!divBloquer)
	{
		divBloquer=document.createElement('div');
		divBloquer.setAttribute('id', 'forground');
		document.body.appendChild(divBloquer);
	}
	else
		divBloquer.innerHTML=null;
	
	divBloquer.style.display=display;
	
	return divBloquer;
}

/**
	* une division est affichée au centre de la page avec le message reçu
	* tant que le message est affiché la page est bloquée
*/
function afficherMessage(message)
{
	var divPB=bloquerPage(true);

	var dmWidth=330;
	var dmHeight=160;		
	
	if (!divMessage)
	{
		divMessage=document.createElement('div');
		divMessage.setAttribute('id', 'info_fen');
		if (nav=="Mic")
			divMessage.style.position="absolute";
		else
			divMessage.style.position="fixed";
		divMessage.style.top=parseInt((clientHeight-dmHeight)/2)+'px';
		divMessage.style.left=parseInt((clientWidth-dmWidth)/2)+'px';
		divMessage.style.width=dmWidth+"px";
		divMessage.style.heigth=dmHeight+"px";
	}
	
	divMessage.innerHTML='<div id="box_message_action"><div id="box_message_top"></div><div id="box_message_content"><table  style="width:auto;"><tr><td id="box_message_content_image">'+
								'<div id="image_erreur_message"></div></td><td id="box_message_content_texte"><p>'+message+'</p></td></tr>'+
								'<tr><td colspan="2"><form method="" onsubmit="bloquerPage(false); return false;"style="text-align:center;"><input type="image" src="http://www.bde-academy.com/images/common/btn_valider.gif" value="OK" id="fermerDivAfficherMessage" /></form><script type="text/javascript">document.getElementById(\'fermerDivAfficherMessage\').focus();</script></td></tr>'+
								'</table></div><div id="box_message_bottom"></div></div>';
	divPB.appendChild(divMessage);
}