function OpenWindow( U, N ,W ,H ){
var win;
var url = U;
var win_name = N;
var win_width = W;
var win_height = H;
win_option="width=" + win_width + ",height=" + win_height + ",toolbar=0,resizable=1,scrollbars=0";
win = window.open(url,win_name,win_option);
if(navigator.appVersion.charAt(0)>=3){win.focus()};
}