function popper(thisUrl,thisWidth,thisHeight,thisTop,thisLeft)
{
var optionString,mainWin;
optionString = ('width=' + thisWidth + ',height=' + thisHeight + ',top=' + thisTop + ',left=' + thisLeft + ',status=no,menubar=no,resizable=no,scrollbars=no');
mainWin = window.open(thisUrl,"",optionString);
}

function popperScroll(thisUrl,thisWidth,thisHeight,thisTop,thisLeft)
{
var optionString,mainWin;
optionString = ('width=' + thisWidth + ',height=' + thisHeight + ',top=' + thisTop + ',left=' + thisLeft + ',status=no,menubar=no,resizable=no,scrollbars=yes');
mainWin = window.open(thisUrl,"",optionString);
}


function getAvailableSize(){
  //area do browser - header- footer
  ie=document.all;
  if (ie)
    return document.body.offsetHeight-140;
  else
    return window.innerHeight-140;
}