Private function - updates model
function(newModel) {
		var oldPos;

		for(var i = 0; i < newModel.length; i++) {
			oldPos = this.model.indexOf(newModel[i]);
			
			if(oldPos >= 0) {
				// model already in the DOM
				if(i != oldPos) {
					// adjust template
					this.moveTemplateNodes(oldPos, i);
					// and model
					this.model.splice(i, 0, this.model.splice(oldPos, 1)[0]);
				}				
			}
			else {
				// check whether current old model is in a new model array
				if(this.templateNodes[i] && newModel.indexOf(this.model[i]) == -1) {
					// just replace model at i
					this.model[i] = newModel[i];
					// bind model and template nodes
					this.bindModel(i);
				}
				else {
					// insert templateNodes at i
					this.cloneTemplateNodes(i);
					// insert model at i
					this.model.splice(i, 0, newModel[i]);
					// bind model and template nodes
					this.bindModel(i);
				}
			}
		}
		
		if(this.model.length > newModel.length) {
			// remove redundant template nodes
			for(var i = this.templateNodes.length-1; newModel.length <= i; i--) {
				this.unbindModel(i);
				this.removeTemplateNodes(i);
			}
			
			// and models
			this.model.splice(newModel.length, this.model.length-newModel.length);
		}
	}