//****************************************************
// IsMac
//****************************************************
function IsMac()
{
  if(navigator.appVersion.indexOf("Win") != -1)
  {
    return false;
  }
  else if(navigator.appVersion.indexOf("Mac") != -1)
  {
    return true;
  }
  else return false;
}

//****************************************************
// IsNumberInt
//****************************************************
function IsNumberInt(inputString)
{
  return (!isNaN(parseInt(inputString))) ? true : false;
}	

//****************************************************
// popUpLinkWindow
//****************************************************
var popUpLinkWin=0;
function popUpLinkWindow(url)
{
  	if(popUpLinkWin)
  	{
    	if(!popUpLinkWin.closed) popUpLinkWin.close();
  	}
	
	popUpLinkWin = open(url, 'link', 'height=400,width=600,toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes,location=yes,directories=yes,status=yes');
	popUpLinkWin.focus();
}

//****************************************************
// popUpPRWindow
//****************************************************
var popUpPRWin=0;
function popUpPRWindow(url)
{
  	if(popUpPRWin)
  	{
    	if(!popUpPRWin.closed) popUpPRWin.close();
  	}
	
	popUpPRWin = open(url, 'link', 'height=500,width=384,toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes,location=yes,directories=yes,status=yes');
	popUpPRWin.focus();
}

//****************************************************
// ConvertHTML
// Converts the opening and closing HTML tags to parens
//****************************************************
function ConvertHTML(sInput)
{
	var sOutput = sInput;
    sOutput=sOutput.replace(/</g,"(");
    sOutput=sOutput.replace(/>/g,")");
	return sOutput;
}
//****************************************************
// JSTrim
// Removes leading and trailing characters from a string
//****************************************************
function JSTrim (inputString, removeChar) 
{
	var returnString = inputString;
	if (removeChar.length)
	{
	  while(''+returnString.charAt(0)==removeChar)
		{
		  returnString=returnString.substring(1,returnString.length);
		}
		while(''+returnString.charAt(returnString.length-1)==removeChar)
	  {
	    returnString=returnString.substring(0,returnString.length-1);
	  }
	}
	return ConvertHTML(returnString);
}
//****************************************************
// JSTrimSpace
// Removes leading and trailing spaces from a string
//****************************************************
function JSTrimSpace(inputString)
{
	return JSTrim(inputString,' ');
}