var artistsVisible = false;

//preload images
BlankImg = new Image()
BlankImg.src = "images/spacer.gif"

homeUp = new Image()
homeUp.src = "images/home.gif"
homeOver = new Image()
homeOver.src = "images/home_over.gif"

contactUp = new Image()
contactUp.src = "images/contact.gif"
contactOver = new Image()
contactOver.src = "images/contact_over.gif"

portfolioUp = new Image()
portfolioUp.src = "images/portfolio.gif"
portfolioOver = new Image()
portfolioOver.src = "images/portfolio_over.gif"

portfolio1Up = new Image()
portfolio1Up.src = "images/portfolio_1.gif"
portfolio1Over = new Image()
portfolio1Over.src = "images/portfolio_1_over.gif"

portfolio2Up = new Image()
portfolio2Up.src = "images/portfolio_2.gif"
portfolio2Over = new Image()
portfolio2Over.src = "images/portfolio_2_over.gif"

portfolio3Up = new Image()
portfolio3Up.src = "images/portfolio_3.gif"
portfolio3Over = new Image()
portfolio3Over.src = "images/portfolio_3_over.gif"

portfolio4Up = new Image()
portfolio4Up.src = "images/portfolio_4.gif"
portfolio4Over = new Image()
portfolio4Over.src = "images/portfolio_4_over.gif"

function rollOver (imgName)
{
   document.images[imgName].src = eval(imgName + "Over.src");
}

function rollOut (imgName)
{
   document.images[imgName].src = eval(imgName + "Up.src");
}