tourop = new Image(658,418)
tourop.src="tour/main/tourop.jpg"

touropr1 = new Image(658,418)
touropr1.src="tour/main/touropr1.jpg"

touropr2 = new Image(658,418)
touropr2.src="tour/main/touropr2.jpg"

touropr3 = new Image(658,418)
touropr3.src="tour/main/touropr3.jpg"


function walkroll() {
document.emp.src=touropr1.src; return true;
} 

function gallroll() {
document.emp.src=touropr2.src; return true;
} 

function panoroll() {
document.emp.src=touropr3.src; return true;
} 

function original() {
document.emp.src=tourop.src; return true;
}