imgdiapo4=new Array("Images/en_image15.jpg","Images/en_image17.jpg","Images/en_image18.jpg","Images/en_image19.jpg");
timing=2000;
nomimg4="en_diapo4";

i4=0;
function diapoauto4(){
	if(i4<imgdiapo4.length){
		document.images[nomimg4].src=imgdiapo4[i4];
		setTimeout("diapoauto4()",timing);
		i4++;
		if(i4==imgdiapo4.length){
			i4=0;
		}
	}
}