if (document.images)
{
bionav = new Image;
bionav_roll = new Image;
resumenav = new Image;
resumenav_roll = new Image;
projectsnav = new Image;
projectsnav_roll = new Image;
headshotnav = new Image;
headshotnav_roll = new Image;
demonav = new Image;
demonav_roll = new Image;
representationnav = new Image;
representationnav_roll = new Image;
homenav = new Image;
homenav_roll = new Image;
scratchnav = new Image;
scratchnav_roll = new Image;

bionav.src = "image/nav/bio.jpg";
bionav_roll.src = "image/nav/bio_roll.jpg";
resumenav.src = "image/nav/resume.jpg";
resumenav_roll.src = "image/nav/resume_roll.jpg";
projectsnav.src = "image/nav/projects.jpg";
projectsnav_roll.src = "image/nav/projects_roll.jpg";
headshotnav.src = "image/nav/headshot.jpg";
headshotnav_roll.src = "image/nav/headshot_roll.jpg";
demonav.src = "image/nav/demo.jpg";
demonav_roll.src = "image/nav/demo_roll.jpg";
representationnav.src = "image/nav/representation.jpg";
representationnav_roll.src = "image/nav/representation_roll.jpg";
homenav.src = "image/nav/home.jpg";
homenav_roll.src = "image/nav/home_roll.jpg";
scratchnav.src = "image/nav/scratch.jpg";
scratchnav_roll.src = "image/nav/scratch_roll.jpg";
}