// JavaScript Document

var CaseStudies = {
	Cases: [
		{
			image: "themes/vollkin/images/case-studies/evado-small.jpg",
			link: "evado-solutions"
		},
		{
			image: "themes/vollkin/images/case-studies/fedreceiver-small.jpg",
			link: "fed-receiver"
		},
		{
			image: "themes/vollkin/images/case-studies/baker-small.jpg",
			link: "baker-commodities"
		},
		{
			image: "themes/vollkin/images/case-studies/cupcake-small.jpg",
			link: "cupcake-love"
		}
	],
	Selected: [],
	IsSelected: function(index) {
		var isSelected = false;
		for (var i=0; i < this.Selected.length; i++) {
			if (this.Selected[i] == index) {
				isSelected = true;
				break;
			}
		}
		return isSelected;
	},
	GetRandom: function(HowMany) {
		var max = this.Cases.length;
		var cases = new Array();
		for (var i=0; i < HowMany; i++) {
			var num = Math.floor((Math.random() * max));
			if (!this.IsSelected(num)) {
				this.Selected.push(num);
				cases[i] = this.Cases[num];
			} else {
				i--;
			}
		}
		return cases;
	}
};