function OpenPopup(arq, width, height, scroll, nobars)
{   
 
    var URL = arq
    var W = width
    var H = height
    var S = scroll
 
 
  if(nobars == "no"){
  
  var desktop = window.open( ""+URL+"", "_blank", "width="+W+",height="+H+",toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars="+S+",resizable=no" );
  }
  else 
  {
  var desktop = window.open( ""+URL+"", "_blank", "width="+W+",height="+H+",toolbar=no,location=no,status=no,menubar=no,scrollbars="+S+",resizable=no,screenx=0,screeny=0,left=0,top=0" );
  }  
}