function open_window(url) {
if (navigator.appName.indexOf("Internet Explorer") != -1) {
        window.open(url,"win","toolbar=1,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=340,height=400");}
else {
mywin = window.open(url,"win","toolbar=1,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=340,height=400");
mywin.focus();}
}