function popupintro()
{
	var somm_xml;
	var top=(screen.height-400)/2;
	var left=(screen.width-590)/2;
	var thelink = '/popup_introduction.php?_Ouvrage='+num_ouvrage;
	if (url_param != '')
		thelink += '&' + url_param;

	somm_xml = window.open(thelink,'LGDJLIB','status=no,location=no,directorie=no,resizable=yes,scrollbars=yes,menubar=no,toolbar=no,top='+top+',left='+left+',width=590,height=400');
	somm_xml.focus();
}

function popupsomm()
{
	var somm_xml;
	var top=(screen.height-400)/2;
	var left=(screen.width-590)/2;
	var thelink = '/popup_sommaire.php?_Ouvrage='+num_ouvrage;
	if (url_param != '')
		thelink += '&' + url_param;

	somm_xml=window.open(thelink,'LGDJLIB','status=no,location=no,directorie=no,resizable=yes,scrollbars=yes,menubar=no,toolbar=no,top='+top+',left='+left+',width=590,height=400');
	somm_xml.focus();
}

function popuppres()
{
	var somm_xml;
	var top=(screen.height-400)/2;
	var left=(screen.width-590)/2;
	var thelink = '/popup_presentation.php?_Ouvrage='+num_ouvrage;
	if (url_param != '')
		thelink += '&' + url_param;

	somm_xml=window.open(thelink,'LGDJLIB','status=no,location=no,directorie=no,resizable=yes,scrollbars=yes,menubar=no,toolbar=no,top='+top+',left='+left+',width=590,height=400');
	somm_xml.focus();
}

function popupalertedispo()
{
	var alerte;
	var top=(screen.height-290)/2;
	var left=(screen.width-460)/2;
	var thelink = '/popup_alerte.php?_Ouvrage='+num_ouvrage+'&_Type=di';
	if (url_param != '')
		thelink += '&' + url_param;

	alerte=window.open(thelink,'LGDJLIB','status=no,location=no,directorie=no,resizable=yes,scrollbars=yes,menubar=no,toolbar=no,top='+top+',left='+left+',width=460,height=290');
	alerte.focus();
}

function popupalerteedtion()
{
	var alerte;
	var top=(screen.height-290)/2;
	var left=(screen.width-460)/2;
	var thelink = '/popup_alerte.php?_Ouvrage='+num_ouvrage+'&_Type=ed';
	if (url_param != '')
		thelink += '&' + url_param;

	alerte=window.open(thelink,'LGDJLIB','status=no,location=no,directorie=no,resizable=yes,scrollbars=yes,menubar=no,toolbar=no,top='+top+',left='+left+',width=460,height=290');
	alerte.focus();
}

function popupcouverture()
{
	var top=(screen.height-height_img)/2;
	var left=(screen.width-width_img)/2;

	window.open(url_img,'LGDJLIB','status=no,location=no,directorie=no,resizable=no,scrollbars=no,menubar=no,toolbar=no,top='+top+',left='+left+',width='+width_img+',height='+height_img);
}

function conseiller()
{
	var alerte;
	var top=(screen.height-340)/2;
	var left=(screen.width-580)/2;
	var thelink = '/popup_conseiller.php?_CAOuvrage='+num_ouvrage;
	if (url_param != '')
		thelink += '&' + url_param;

	alerte=window.open(thelink,'LGDJLIB','status=no,location=no,directorie=no,resizable=yes,scrollbars=yes,menubar=no,toolbar=no,top='+top+',left='+left+',width=580,height=340');
	alerte.focus();
}