function open_new_window(url,width,height)
{ 
new_window = window.open(url,'window_name','scrollbars=1,toolbar=0,menubar=0,resizable=1,dependent=0,status=0,width=' + width + ',height=' + height + ',left=25,top=25')
}

function open_new_window1(url)
{ 
new_window = window.open(url,'window_name','scrollbars=1,toolbar=0,menubar=0,resizable=1,dependent=0,status=0,width=650,height=550,left=25,top=25')
}