function popup(page,w,h,toscroll){	
	l=(screen.width)?(screen.width-w)/4:100;
	t=(screen.height)?(screen.height-h)/2:100;
	params='width='+w+',height='+h+',top='+t+',left='+l+',scrollbars='+toscroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(page,"decopop.fr",params);
}