function nextSlide(setNum) {
			var objectID = 'slide' + setNum + slideC[setNum];
			var object = document.getElementById(objectID);
			object.style.display = 'none';
			if (slideT[setNum] == slideC[setNum]) slideC[setNum] = 1;
			else slideC[setNum]++;
			var objectID = 'slide' + setNum + slideC[setNum];
			var object = document.getElementById(objectID);
			object.style.display = 'block';
		}
		
		function previousSlide(setNum) {
			var objectID = 'slide' + setNum + slideC[setNum];
			var object = document.getElementById(objectID);
			object.style.display = 'none';
			if (slideC[setNum] == 1) slideC[setNum] = slideT[setNum];
			else slideC[setNum]--;
			var objectID = 'slide' + setNum + slideC[setNum];
			var object = document.getElementById(objectID);
			object.style.display = 'block';
		}