function popupurl(url, winname) {   
     
      window.open(url,winname,'top=50,left=50,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=700,height=650');
     
    }
    
   function popupurlbig(url, winname) {   
     
      window.open(url,winname,'top=50,left=50,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=600,height=500');
     
    }
    
     function popupurlhuge(url, winname) {   
     
      window.open(url,winname,'top=50,left=50,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0, width=700,height=650');
     
    }