function imgswp() { 
var imgs = new Array(
//nomes e caminhos das imagens
					"i/slidepic/1.jpg",
					"i/slidepic/2.jpg",
					"i/slidepic/4.jpg",
					"i/slidepic/5.jpg",
					"i/slidepic/6.jpg",
					"i/slidepic/7.jpg",
					"i/slidepic/8.jpg"
					)
document.getElementById("aimg").src = imgs[Math.floor(Math.random()*imgs.length)]
}