pt_image=new Array(2);

pt_image[0] = ("<td><img src=teen_splash1.jpg alt= width=185 height=547 border=0></td>");
pt_image[1] = ("<td><img src=teen_splash2.jpg alt= width=185 height=547 border=0></td>");
pt_image[2] = ("<td><img src=teen_splash3.jpg alt= width=185 height=547 border=0></td>");

ptindex = Math.floor(Math.random() * pt_image.length);

document.write(pt_image[ptindex]);