View difference between Paste ID: Dv2cnU6Y and HpPYg58f

 //main class
 function Section(){
-	this.current;
+	this.currentKey;
 	this.offsets = [];
 	this.sectionID = ['#a','#b','#c','#d'];
 }
-Section.prototype.construct = function(topOffset,offsets) {
+
-
+
-    for (var i = 0; i < offsets.length; i++) {
+Section.prototype.construct = function(topOffset) {
-        if (topOffset >= offsets[i] && topOffset < offsets[i + 1]) {
+
-            this.current = offset[i];
+	//sets the offsets values
-        }
+	for(var u = 0; u < this.sectionID.length; u++) {
-    }
+		this.offsets[u] = $(this.sectionID[u]).offset().top;
 	}
 
 	//gets the currentKey
 	for (var i = 0; i < offsets.length; i++) {
-	return this.current;
+		if (topOffset >= this.offsets[i] && topOffset < this.offsets[i + 1]) {
 			this.currentKey = i;
 		}
 	}
-Section.construct(topOffset,offsets);
+
 
 //get current
 Section.prototype.getCurrent = function() {
 	return this.sectionID[this.currentKey];
 }
 
 //set classes
 Section.prototype.setAttributes = function(){
 	$('#current').Attr('id').remove();
 	$(this.getCurrent).Attr('id','#current');
 }
 
 var Section = new Section();
 Section.construct(topOffset,offsets);
 Section.setAttributes();