var y = 1;


var rotateportfolio = function(){
	++y;
	if (y == 1)
	{document.getElementById("fader").style.backgroundImage = "url(portfolio/260-"+a+".jpg)";
     document.getElementById("fader-link").href = "portfolio-details-"+a+".php";
	 $('fader').fade(1);}
	if (y == 2)
	{document.getElementById("wrap-fader").style.backgroundImage = "url(portfolio/260-"+b+".jpg)";
     document.getElementById("fader-link").href = "portfolio-details-"+b+".php";
	 $('fader').fade(0);}
	if (y == 3) 
	{document.getElementById("fader").style.backgroundImage = "url(portfolio/260-"+c+".jpg)";
     document.getElementById("fader-link").href = "portfolio-details-"+c+".php";
	 $('fader').fade(1);}
	if (y == 4) 
	{document.getElementById("wrap-fader").style.backgroundImage = "url(portfolio/260-"+d+".jpg)";
     document.getElementById("fader-link").href = "portfolio-details-"+d+".php";
	 $('fader').fade(0);}
	
	if (y == 4) y = 0;
	
}
	

window.addEvent('domready', function() {
	var portfoliorotator = rotateportfolio.periodical(3000, y);
});