function ouvre_pj(nom) { 

	var a
	a=nom.substring(nom.length-4,nom.length);
	
	
	if ((a=='.htm') || (a=='html') || (a=='.txt') || document.layers)
		window.parent.corp.location.href=nom
	else
		window.open(nom,'','top=0,left=0,width='+(screen.width-10)+', height='+(screen.height-105)+', menubar,sizable=yes');
	x='width=755,height=480,top=187,left=213,scrollbars=yes,menubar=yes'

}