var ltime = false;
var rime = false;
var images = ['a.jpg','b.jpg','c.jpg'];
var z = 15;
var candLeft = false;
var candRight = false;

$(document).ready(function(){
	candLeft = getNewSrc();
	candRight = getNewSrc();
	
	var ltime = setInterval('ChangeLeft()', 4200);
	var rime = setInterval('ChangeRight()', 5800);
});

var getNewSrc = function() {
	do {
		var r = Math.floor(Math.random()*(z+1));
		if(r==0) r++;
		var i = (r % 3);
		if(r < 10) r = '0'+r;
		var src = WEBROOT+'nr'+r+'/'+images[i];		
	}
	while((src==candLeft) || (src==candRight));
	return src;
}

var ChangeLeft = function(){
	$("#left img").ImageStop(true,true);
	$("#left img").ImageSwitch({NewImage: candLeft,Speed: 4000 });		
	candLeft = getNewSrc();
	$.ImagePreload(candLeft);	
};

var ChangeRight = function(){
	$("#right img").ImageStop(true,true);
	$("#right img").ImageSwitch({NewImage: candRight,Speed: 4000  });		
	candRight = getNewSrc();
	$.ImagePreload(candRight);	
};