// load the zSr array into our own overtureLinks object.
	// Note that it needs to be in a seperate script block in order for the zSr array to be loaded
	var links, zSr, zSr_dummy;
	if(zSr) 
		{
		links = populateOvertureLinks(zSr);
		//alert("links: "+links)
		if (links == undefined) 
			{
			//alert("loading dummy data");
			zSr = zSr_dummy;
			}
		} else {
		//If this in not populated use dummy data
		zSr = zSr_dummy;
		//alert("loading dummy data2");		
		}
	
	var overtureLinkspots, mapkey, mapkey_dummy;
	
	if(mapkey) {
	overtureLinkspots = populateOvertureLinkspots(mapkey);
	if (overtureLinkspots == undefined) {
	//If this in not populated use dummy data
	mapkey = mapkey_dummy;
	}
	}
	else {
	//If this in not populated use dummy data
	mapkey = mapkey_dummy;
	}