// Plugin to watch for changes to the address
// it will be defined within an immediately
// executed method.
(
function( $ ){
	// Default to the current location.
	var strLocation = window.location.href;
	var strHash = window.location.hash;
	var strPrevLocation = "";
	var strPrevHash = "";
 
	// This is how often we will be checkint for
	// changes on the location.
	var intIntervalTime = 100;
 
	// This method removes the pound from the hash.
	var fnCleanHash = function( strHash ){
			return(
				strHash.substring( 1, strHash.length )
			);
		}
 
	// This will be the method that we use to check
	// changes in the window location.
	var fnCheckLocation = function(){
	// Check to see if the location has changed.
	if (strLocation != window.location.href){
 
	// Store the new and previous locations.
	strPrevLocation = strLocation;
	strPrevHash = strHash;
	strLocation = window.location.href;
	strHash = window.location.hash;
 
	// The location has changed. Trigger a
	// change event on the location object,
	// passing in the current and previous
	// location values.
	$( window.location ).trigger(
		"change",
		{
		currentHref: strLocation,
		currentHash: fnCleanHash( strHash ),
		previousHref: strPrevLocation,
		previousHash: fnCleanHash( strPrevHash )
		}
	);
 
	}
}
// Set an interval to check the location changes.
setInterval( fnCheckLocation, intIntervalTime );
}
)( jQuery );