anchor.diff:  	function isSystemOnPage(systemObject){
   		var uDelta = pageSpace.currentU() + pageSpace.getNumberStarSystemsX();
   		var vDelta = pageSpace.currentV() + pageSpace.getNumberStarSystemsY();
  -//		console.log("uDelta vDelta:" + pageSpace.currentU() + "::" + pageSpace.currentV() + pageSpace.numberStarsSystemsX() + "::" + pageSpace.numberStarsSystemsY());
   		if(systemObject.ucoord >= pageSpace.currentU() && systemObject.ucoord <= uDelta 
   			&&
   			systemObject.vcoord >= pageSpace.currentV() && systemObject.vcoord <= vDelta){
  
positive.code: 			current_width = width;
  		},
  		numberStarsSystemsX: function(){
  //			console.log("XX:"+scalingConstants.starSystemPageSpaceX());
  			numberStarsystems_x = current_width / scalingConstants.starSystemPageSpaceX();
  		},
  		numberStarsSystemsY: function(){
  
negative.code: 	
  	$(document).ready(function() {
  		$(document).dblclick(function(event){
  		
  			console.log("pageX:"+event.pageX +" pageY:"+event.pageY);
  			
  			var currentU = parseInt(pageSpace.currentU());
  			var currentV = parseInt(pageSpace.currentV());
  			var pageX = event.pageX;
  			var pageY = event.pageY;
  			var ucoord = Math.floor(currentU + ((pageX - scalingConstants.getXConstant()) / scalingConstants.starSystemPageSpaceX()));
  			var vcoord = Math.floor(currentV + ((pageY - scalingConstants.getYConstant()) / scalingConstants.starSystemPageSpaceX()));
  			
  			console.log("newU:"+ ucoord +" newV:"+ vcoord + " currentU:" + currentU + " currentV:" + currentV + " scaleX:" + scalingConstants.starSystemPageSpaceX() + " scaleY:" + scalingConstants.starSystemPageSpaceY() );
  		});
  		$("#pozV").click(function () { 
  