var Popup = Class.create();
Popup.prototype = 
{
  initialize: function(options)
  {
    this.options = {
      url: '#',
      width: 750,
      height: 625
    }
    Object.extend(this.options, options || {});
    window.open(this.options.url, '', 'width='+this.options.width+',height='+this.options.height);
  }
}

Event.observe(window, 'load', function(){
	if($("signin")){
		$("signin").onmouseover = function(){
			$("signin").src = 'assets/images/btn-signin-hover.gif';
		};
		$("signin").onmouseout = function(){
			$("signin").src = 'assets/images/btn-signin.gif';
		};
	}
	if($("demosite")){
		$("demosite").onmouseover = function(){
			$("demosite").src = 'assets/images/btn-visitdemo-hover.gif';
		};
		$("demosite").onmouseout = function(){
			$("demosite").src = 'assets/images/btn-visitdemo.gif';
		};
	}
	if($('videotour')){
		$('videotour').onclick = function(){
			new Popup({url:$('videotour').href});
			return false;
		}
	}
	if($("testimonial1") && $("testimonial2") && $("testimonial3")){
		var r=Math.ceil(3*Math.random());
		var i=1;
		for(i=1;i<=3;i++){
			if(i==r){
				$("testimonial"+i).setStyle({display:'block',width:'510px'});
			}else{
				$("testimonial"+i).setStyle({display:'none'});
			}
		}
	}
});