function centerWindow(new_URL,new_width,new_height,scroll,resize,name) {
	//les parametres scroll et resize sont désactivés (demande client)
var popName=name;
if (name=="") {popName="pop";}
if (document.all){
	var xMax = screen.width, yMax = screen.height;
}else
if (document.layers){
	var xMax = window.outerWidth, yMax = window.outerHeight;
}else{
	var xMax = 800, yMax=600;
}
var xOffset = (xMax - new_width)/2, yOffset = (yMax - new_height)/2;
window.open(new_URL,popName,'scrollbars=yes,toolbar=no,titlebar=no,menubar=no,directories=no,dependent=no,resizable=yes,width='+new_width+',height='+new_height+',screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}


var VER = parseInt(navigator.appVersion);
function printIt(){
	if (VER <= 4){
		//alert ("pour imprimer :\n cliquez sur le document central,\n puis CTRL + P");
		window.print();
	}
	else 
	if(navigator.platform == "MacPPC"){
		alert ("pour imprimer :\n cliquez sur le document central,\n puis POMME + P");
	}else{
		window.print();
	}
}