function PhotoGallery(){	
	
	var large_view;
	var thumbs;
	var self = this;
	
	this.swapLargeImg = function(i) {
		var src = self.large_view.src;
		var end = src.lastIndexOf(".")-1;
		src = src.substring(0,end);
		self.large_view.src = src+i+".jpg";
	}
		
	this.init = function(){
		self.large_view = document.getElementById("feature-img");
		self.thumbsParent = document.getElementById("thumbs");
		self.thumbs = self.thumbsParent.getElementsByTagName("img");
				
		for(var i=0;i<self.thumbs.length;i++){
			self.thumbs[i].index = i;
			self.thumbs[i].onclick = function(){ self.swapLargeImg(this.index);}
		}
	}
	
}
var photoGallery = new PhotoGallery();

onloadHandlers[onloadHandlers.length] = 'photoGallery.init()';