function LTrim( value ) {
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
}

function RTrim( value ) {
      var re = /((\s*\S+)*)\s*/;
      return value.replace(re, "$1");
}
 
function trim( value ) {
      return LTrim(RTrim(value));
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_openBrWindow(theURL,winName,features) 
{
  window.open(theURL,winName,features);
}

function RemoveNonNumeric( strString )
{
      var strValidCharacters = "1234567890";
      var strReturn = "";
      var strBuffer = "";
      var intIndex = 0;

      for( intIndex = 0; intIndex < strString.length; intIndex++ )
      {
            strBuffer = strString.substr( intIndex, 1 );

            if( strValidCharacters.indexOf( strBuffer ) > -1 )
            {
                  // Yes
                  strReturn += strBuffer;
            }
      }
      return strReturn;
}


function validateYellowPageSearchform(searchBoxID,cityBoxID)
{
	terms = trim(document.getElementById(searchBoxID).value);
	city = trim(document.getElementById(cityBoxID).value);
	if(terms.length < 2)
	{
		alert('Please enter a valid Business name or Category');
		return false;
	}
	if(city.length < 2 || city == 'none')
	{
		alert('Please enter a valid city');
		return false;
	}
	return true;
}

function validatePhoneSearch(idIn)
{
	phone = RemoveNonNumeric(trim(document.getElementById(idIn).value));
	if(phone.length < 10)
	{
		alert('Please enter a valid phone number');
		return false;
	}
	return true;
}