function external_site(target_url)
{
	//var message = "The link you clicked will open a window that takes you out of my site.\nI have no control of the content. Do you wish to proceed?";
	//if(confirm(message))
	//{
		window.open(target_url, 'external', 'scrollbars=1,resizable=1,status=1');
	//}
}


function checkMLS()
{
	var mls = document.mlssearch.mlsNum.value;
	if (!mls.length)
	{
		alert('You must enter an MLS # to continue');
		return false;
	}
	return true;
}

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 rtim(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;       // Get length of string
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;
      s = s.substring(0, i+1);
   }

   return s;
}

function trim(str)
{
   return rtrim(ltrim(str));
}