var queryString = "";
if ( window.location.search != "" )
{
	queryString = window.location.search;
}

function getQueryStringParameter ( parameterName )
{
	if ( queryString.length > 0 )
	{
		var parameterName = parameterName + "=";
		begin = queryString.indexOf ( parameterName );
		// If the parameter name is not found, skip it, otherwise return the value
		if ( begin != -1 )
		{
			// Add the length (integer) to the beginning
			begin += parameterName.length;
			// Multiple parameters are separated by the "&" sign
			end = queryString.indexOf ( "&" , begin );
			if ( end == -1 )
			{
				end = queryString.length
			}
			// Return the string
			return unescape ( queryString.substring ( begin, end ) );
		}
	}
	return "";
}

function getURL()
{
    var strURL = window.location.protocol + "//" + window.location.hostname;
    if ( window.location.port != "")
        strURL += ":" + window.location.port;
    strURL += window.location.pathname;
    return strURL;
}

function URLDecode( encoded )
{
   // Replace + with ' '
   // Replace %xx with equivalent character
   // Put [ERROR] in output if %xx is invalid.
   var HEXCHARS = "0123456789ABCDEFabcdef"; 
   var plaintext = "";
   var i = 0;
   while (i < encoded.length) {
       var ch = encoded.charAt(i);
	   if (ch == "+") {
	       plaintext += " ";
		   i++;
	   } else if (ch == "%") {
			if (i < (encoded.length-2) 
					&& HEXCHARS.indexOf(encoded.charAt(i+1)) != -1 
					&& HEXCHARS.indexOf(encoded.charAt(i+2)) != -1 ) {
				plaintext += unescape( encoded.substr(i,3) );
				i += 3;
			} else {
				alert( 'Bad escape combination near ...' + encoded.substr(i) );
				plaintext += "%[ERROR]";
				i++;
			}
		} else {
		   plaintext += ch;
		   i++;
		}
	} // while
   return plaintext;
}

var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));