// image preloading
        a=new Image();a.src="pictures/photoheader1.jpg";
        b=new Image();b.src="pictures/photoheader2.jpg";
        c=new Image();c.src="pictures/photoheader3.jpg";
        d=new Image();d.src="pictures/photoheader4.jpg";

function startSlideShow(){setTimeout("pic1()",6000)}

function pic1(){document.images.slidepix.src="pictures/photoheader2.jpg";
setTimeout("pic2()",6000)}

function pic2(){document.images.slidepix.src="pictures/photoheader3.jpg";
setTimeout("pic3()",6000);}

function pic3(){document.images.slidepix.src="pictures/photoheader4.jpg";
setTimeout("pic4()",6000);}

function pic4(){document.images.slidepix.src="pictures/photoheader1.jpg";
setTimeout("pic1()",6000);}