function $(id){
	return document.getElementById(id);	
}

function ecran(img){
	if(img!=''){
		$('ecran').src = img;
	}
}

function posi(w,h) {
	var p = 'resizable=0,scrollbars=no,width=' + w + ',height=' + h + ',left=' + (screen.width-w)/2 + ',top=' + (screen.height-h)/2;
	return (p)
}
function posia(w,h) {
	var p = 'resizable=1,scrollbars=yes,width=' + w + ',height=' + h + ',left=' + (screen.width-w)/2 + ',top=' + (screen.height-h)/2;
	return (p)
}
function PopUpConditions() {		
	f=window.open('popup_condition.php','popup0',posia(500,500));
}