if (document.images){

// choose main =============================
tickets_up = new Image
tickets_over = new Image

music_up = new Image
music_over = new Image

cast_up = new Image
cast_over = new Image

creatives_up = new Image
creatives_over = new Image

theshow_up = new Image
theshow_over = new Image


// choose main =============================
tickets_up.src="images/nav_tickets_1.gif"
tickets_over.src="images/nav_tickets_2.gif"

music_up.src="images/nav_music_1.gif"
music_over.src="images/nav_music_2.gif"

cast_up.src="images/nav_cast_1.gif"
cast_over.src="images/nav_cast_2.gif"

creatives_up.src="images/nav_creatives_1.gif"
creatives_over.src="images/nav_creatives_2.gif"

theshow_up.src="images/nav_theshow_1.gif"
theshow_over.src="images/nav_theshow_2.gif"


}
else
{

// choose main =============================
tickets_up = ""
tickets_over = ""
document.tickets = ""

music_up = ""
music_over = ""
document.music = ""

cast_up = ""
cast_over = ""
document.cast = ""

creatives_up = ""
creatives_over = ""
document.creatives = ""

theshow_up = ""
theshow_over = ""
document.theshow = ""

}