function popupPage(page)
{  
	var x = 800;
	var y = 600;
	var left = (screen.width-x) /2;
	var top  = (screen.height-y)/2;
	window.open(page, '', ',top='+top+',left='+left+', width='+x+', height='+y+', resizable=yes, toolbar=yes, directories=no, location=no, menubar=no, status=yes, scrollbars=yes');
}

function popupPage(page, x, y)
{
	var left = (screen.width-x) /2;
	var top  = (screen.height-y)/2;
	window.open(page, '', ',top='+top+',left='+left+', width='+x+', height='+y+', resizable=yes, toolbar=yes, directories=no, location=no, menubar=no, status=yes, scrollbars=yes');
}

/*
* exemple de lien à mettre pour ouvrir une popup avec dedands la page programme_03-04
*<a href="programme_03-04.htm" onclick="popupPage('programme_03-04.htm',600,600); return false;">Ouverture popup basique</a>
*/