k_PhotoCycleCt = 9;
k_PhotoCycleNull = -1;
k_PhotoNumStart = 1001;
k_PhotoFilePrefix = "img/photos/MwSpPhotos-060205/photo-";

var g_PhotoIdx = 0;


function PhotoCycle( in_Increment ){
	var a_PhotoNum;
	var a_PhotoFileStr;
	
	g_PhotoIdx = (g_PhotoIdx + in_Increment + k_PhotoCycleCt) % k_PhotoCycleCt;
	//alert( "sock it to me " + g_PhotoIdx );
	
	if( (k_PhotoCycleNull < g_PhotoIdx) && (g_PhotoIdx < k_PhotoCycleCt) ){
		a_PhotoNum = k_PhotoNumStart + g_PhotoIdx;
		a_PhotoFileStr = k_PhotoFilePrefix + a_PhotoNum + ".jpg";
		//alert( "PhotoCycle:" + a_PhotoFileStr );
		document["FeaturedPhoto"].src = a_PhotoFileStr;
	}else{
		alert( "Invalid photo index: " + g_PhotoIdx );
		g_PhotoIdx = 0;
	}
}


function HandleNavBtn( in_BtnName ){
	var a_UrlStr;
	
	a_UrlStr = in_BtnName + ".html";
	//alert( "sock it to me " + a_UrlStr );
	//alert( "window.name: " + window.name );
	window.open( a_UrlStr, "MainWindow" );
}