function open_window(link,w,h)
 {  
 var win = "width="+w+",height="+h+",menubar=no,location=no,resizable=no,scrollbars=no,top=200,left=200";
 newWin = window.open(link,'newWin',win);
 };
function open_window2(link,w,h)
 {  
 var win = "width="+w+",height="+h+",menubar=yes,location=no,resizable=no,scrollbars=yes,top=20,left=20";
 newWin = window.open(link,'newWin',win);
 };
function open_window3(link)
 {  
 var win = "width="+450+",height="+150+",menubar=no,location=no,resizable=no,scrollbars=no,top=250,left=250";
 newWin = window.open(link,'newWin',win);
 };