shown=''

function OpenF(url) 
 {
   if( shown=='' || shown.closed) 
     {
	shown=window.open(url,'OpenF','scrollbars=no, status=no, high, width=600, height=400');
     }
   else
     { 
	shown.close();
	shown=window.open(url,'OpenF','scrollbars=no, status=no, high, width=600, height=400');
     }
 }


shown=''

function OpenF2(url,w,h) 
 {
   var str="";
   str="scrollbars=no, status=no, high, width="+w+", height="+h;
   if( shown=='' || shown.closed) 
     {
	shown=window.open(url,'OpenF', str);
     }
   else 
     { 
	shown.close();
	shown=window.open(url,'OpenF', str);
     }
 }

shown=''

function OpenF3(url,w,h) 
 {
   var str="";
   str="scrollbars=yes, status=no, high, width="+w+", height="+h;
   if( shown=='' || shown.closed) 
     {
	shown=window.open(url,'OpenF', str);
     }
   else 
     { 
	shown.close();
	shown=window.open(url,'OpenF', str);
     }
 }