Problem with a variable

I'm working on a simple if/else statement to show a next or previous link, but somehow my checkup don't work. Here's the code

var newPosition = currPosition;
$(".imageNavLink").click(function(event){
 event.preventDefault();
 newPosition = (this.rel == "next") ? newPosition + 1 : newPosition - 1;
 var newImageLink = this.title;
 var clickAction = this.rel;
 var newImage = new Image();
开发者_开发知识库 $(newImage).load(function(){
  newWidth = this.width, newHeight = this.height+35;
  if(newPosition == totalItems){
   [.. Show 'previous' link ..]
  }else if(newPosition == 1){
   [.. Show 'next' link ..]
  }else{
   [.. Show 'previous' and 'next' link ..]
  }
 });
 newImage.src = this.title;
});

• currPosition holds the current position (numeric) of the element to keep on track with the count
• totalItems is the numeric value of the total associated images

If i click on the first image i constantly see the previous link, when i start with the second image i constantly see both links and when i start with the last image i constantly see the previous link..

I dont know if this is it but,

newWidth = this.width, newHeight = this.height+35;

Shouldn't the , after this.width be a ; ?

 if(newPosition == totalItems){
   [.. Show 'previous' link ..]
  }else if(newPosition == 1){
   [.. Show 'next' link ..]
  }else{
   [.. Show 'previous' and 'next' link ..]
  }

rewrite to this:

 if(newPosition>1 && newPosition<totalItems){
   [.. Show 'previous' and 'next' link ..]
  }else if(newPosition == 1){
   [.. Show 'next' link ..]
  }else if(newPosition == totalItems){
   [.. Show 'previous' link..]
  }

Only if newPosition is between 1 and totalItems will both prev and next be shown