function openwin (url, w, h) {
//    w += 20;	w = w<250 ? 250 : w; 
//    h += 40;	h = h<250 ? 250 : h;
    w = 525;
    h = 405;
    
    x = (screen.availWidth ? screen.availWidth : screen.width)/2 - w/2;		x = x>0 ? x : 0;
    y = (screen.availHeight ? screen.availHeight : screen.height)/2 - h/2;	y = y>0 ? y : 0;
    wd = window.open (url, '_blank', 'width='+w+'px,height='+h+'px,top='+y+'px,left='+x+'px,resizable=yes,scrollbars=no');
    wd.focus ();
}

function openwin2 (url, w, h) {
    w = 375;
    h = 505;
    
    x = (screen.availWidth ? screen.availWidth : screen.width)/2 - w/2;		x = x>0 ? x : 0;
    y = (screen.availHeight ? screen.availHeight : screen.height)/2 - h/2;	y = y>0 ? y : 0;
    wd = window.open (url, '_blank', 'width='+w+'px,height='+h+'px,top='+y+'px,left='+x+'px,resizable=yes,scrollbars=no');
    wd.focus ();
}