var test=null;
 function openWin(url, toolbar, menubar,status, scrollbars, resizable, ancho, alto, top, left, nomWin){ 
 		 var abre;
    	 string1="test=window.open('"+url+"'";
		 string2=",'"+nomWin+"','status="+status+",scrollbars="+scrollbars+",resizable="+resizable+", width="+ancho+",height="+alto+", top="+top+", left="+left+",toolbar="+toolbar+",menubar="+menubar+"')";
		 abre=string1+string2;
		 //alert(abre);
		 eval(abre);
		 test.focus();
		
		
  } 


 function openWinConRetorno(url, toolbar, menubar,status, scrollbars, resizable, ancho, alto, top, left, nomWin){ 
 		 var abre;
    	 string1="test=window.open('"+url+"'";
		 string2=",'"+nomWin+"','status="+status+",scrollbars="+scrollbars+",resizable="+resizable+", width="+ancho+",height="+alto+", top="+top+", left="+left+",toolbar="+toolbar+",menubar="+menubar+"')";
		 abre=string1+string2;
		 //alert(abre);
		 eval(abre);
		 test.focus();
		 return test;
		
  } 
  
  function openw(url,ancho,alto){
		
		 openWin(url, 0, 0,1, 1, 0, ancho, alto, "100", "100", "f");
	}