anchor.diff:         			console.log("curU:" + curU + " curV:" + curV);
          			addToCache.jsonCall(curU, curV);
          		}
  -       		drawSystems.scanSystems();
  +       		drawSystems.scanVisualSystems();
       	});
       	$("#negU").click(function () { 
          		pageSpace.decrementCurrentU();
  
positive.code:        			console.log("curU:" + curU + " currentV:" + pageSpace.currentV());
         			addToCache.jsonCall(curU, pageSpace.currentV());
         		}
         		drawSystems.scanSystems();
      	});
      	$("#pozU").click(function () { 
         		pageSpace.incrementCurrentU();
         		var curU = pageSpace.currentU() + pageSpace.getUextent();
  
negative.code:        			console.log("currentU:" + pageSpace.currentU() + " curV:" + curV);
         			addToCache.jsonCall(pageSpace.currentU(), curV);
         		}
         		drawSystems.scanVisualSystems();
      	});    	
      	
  	
  