if (document.images) {
   detailspurple1 = new Image
   detailspurple2 = new Image
   detailsbeige1 = new Image
   detailsbeige2 = new Image
   detailsblue1 = new Image
   detailsblue2 = new Image

   detailspurple1.src = "images/buttons/detailspurple1.gif"
   detailspurple2.src = "images/buttons/detailspurple2.gif"
   detailsbeige1.src = "images/buttons/detailsbeige1.gif"
   detailsbeige2.src = "images/buttons/detailsbeige2.gif"
   detailsblue1.src = "images/buttons/detailsblue1.gif"
   detailsblue2.src = "images/buttons/detailsblue2.gif"
}
else {
   detailspurple1 = ""
   detailspurple2 = ""
   detailsbeige1 = ""
   detailsbeige2 = ""
   detailsblue1 = ""
   detailsblue2 = ""
   document.details = ""
}