function m_win(url,windowname,width,height) {
 var features="location=no, menubar=no, status=yes, scrollbars=no, resizable=no, toolbar=no";
 if (width) {
  if (window.screen.width > width)
   features+=", left="+(window.screen.width-width)/2;
  else width=window.screen.width;
  features+=", width="+width;
 }
 if (height) {
  if (window.screen.height > height)
   features+=", top="+(window.screen.height-height)/2;
  else height=window.screen.height;
  features+=", height="+height;
 }
 window.open(url,windowname,features);
}


function setScreenSize()
{
window.moveTo(50,50); 
window.resizeTo(screen.width - 200,screen.height - 200);
}

function WinCls(){
        window.close()
                       }