var popUpWin=0;
function openCentered(documentSrc)
{if(popUpWin){if(!popUpWin.closed)popUpWin.close()}
 popUpWin=window.open(documentSrc,'','toolbar=0,channelmode=0,location=0,menubar=yes,resizable=no,status=0,scrollbars=yes,width=800,height=600,left=0,top=0');
 if(popUpWin){popUpWin.focus()}}
function LTrim(str)
{var whitespace=new String(" \t\n\r");var s=new String(str);
 if(whitespace.indexOf(s.charAt(0))!=-1)
 {var j=0,i=s.length;while((j<i)&&(whitespace.indexOf(s.charAt(j))!=-1)){j++}
  s=s.substring(j,i)}
  return s}
function RTrim(str)
{var whitespace=new String(" \t\n\r");var s=new String(str);
 if(whitespace.indexOf(s.charAt(s.length-1))!=-1)
 {var i=s.length-1;while((i>=0)&&(whitespace.indexOf(s.charAt(i))!=-1)){i--}
  s=s.substring(0,i+1)}
 return s}
function Trim(str){return LTrim(RTrim(str))}