function fenetre1()
	  	{
        if (navigator.appName=="Netscape")
			{
          	var win=window.open("pop/A1.html","agrandi","width=500,height=400,screenX=225,screenY=225");
        	}
        else 
			{
          	var win=window.open("pop/A1.html","agrandi","width=500,height=400,left=225,top=225");
        	}
    	}