function heraldSlideshow(timeout,images){var n=0;var i=Math.floor(Math.random()*images.length);var slideshow=document.getElementById('slideshow');var el=document.createElement('div');var im=undefined;var animate=function(){if(n++<10){setTimeout(animate,70);el.style.opacity=n/10;el.style.filter='alpha(opacity='+(n*10)+')';}else{el.parentNode.style.background='url('+images[i++%images.length]+') no-repeat';el.style.opacity=0;el.style.filter='alpha(opacity=0)';preload();n=0;}}
var preload=function(){im=new Image();im.onload=swapImage;im.src=images[i%images.length];}
var swapImage=function(){el.style.background='url('+images[i%images.length]+') no-repeat';setTimeout(animate,timeout);}
el.setAttribute('id','nextImage');slideshow.innerHTML='';slideshow.appendChild(el);slideshow.style.background='url('+images[i++]+') no-repeat';preload();}