function open_swindow(url) { 
mywin = window.open(url,"win",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=250,height=400'); 
}
function open_vdwindow(url) {
mywin = window.open(url,"video",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=470,height=590');
}