function del_login(value)
{
 var frm=document.forms["login"];
 frm.elements["login"].value="";
 frm.elements["mdp"].value="";
 
}

function launch()
{
	var haut = (screen.height-400)/4
	var gch = (screen.width-600)/2
	window.open('morpho.php','popup','toolbar=0,location=0,directories=0,status=0,scrollbars=yes,resizable=0,copyhistory=0,menuBar=0,width=600,height=400,top='+haut+',left='+gch);
}