function newwin(newurl,winname) {
var winl = (screen.width - 800) / 2;
var wint = (screen.height - 600) / 2;
winprops ='height=540,width=850, top='+wint+',left='+winl+', toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0';
window.open( newurl, winname,winprops);
}

function newwin_gallery(newurl,winname) {
var winl = (screen.width - 598) / 2;
var wint = (screen.height - 600) / 2;
winprops ='height=540,width=598, top='+wint+',left='+winl+', toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0';
window.open( newurl, winname,winprops);
}