/*
*	HISTORY FUNCTIONS
*	09.08.26
*/

function recordHistory(slotNum) {
	var lastKey						=	0;
	var currentPageInHistoryStack	=	"";
	var previousPageInHistoryStack	=	"";
	if($.history.stack){
		for (var key in $.history.stack) {
			lastKey	=	key;
			if($.history.stack[key].counter	== historyCounter)		currentPageInHistoryStack	=	$.history.stack[key].page;
			if($.history.stack[key].counter	== historyCounter-1)	previousPageInHistoryStack	=	$.history.stack[key].page;
			/*for(var key2 in $.history.stack[key]){
				alert("key2 : " + key2 + $.history.stack[key][key2])
			}*/
		}
	}
	recordThisHistory		=	((slotNum!=lastVisitedPage) && currentPageInHistoryStack!=slotNum && slotNum!=previousPageInHistoryStack)?	true :	false;
	if(slotNum==0)		recordThisHistory	=	true;
	//alert('PRErecording : counter: ' + historyCounter + " || slotNum: " + slotNum + " || currentPageInHistoryStack: " + currentPageInHistoryStack + " || previousPageInHistoryStack: " + previousPageInHistoryStack +" || lastVisitedPage: " + lastVisitedPage);
	if(recordThisHistory){
		  historyCounter++;		  
		  lastVisitedPage	=	slotNum;	 
		  //alert('recording : counter: ' + historyCounter + " || slotNum: " + slotNum + " || currentPageInHistoryStack: " + currentPageInHistoryStack + " || lastVisitedPage: " + lastVisitedPage);
		  $.history({counter:historyCounter,page:slotNum});
	}
}
//function to handle the data coming back from the history upon forw/back hit
$.history.callback = function (reinstate,cursor) {
	if (typeof(reinstate) == 'undefined')	{historyCounter = 0;}
	else	{
		goToSlot(reinstate.page);			//alert('reinstating: ' + reinstate.page);
		historyCounter = parseInt(reinstate.counter) || 0;
	}
  };