function change1()
{
	document.room.src = "img/room1.jpg";
	i = "on";
}
function change2()
{
	document.room.src = "img/room2.jpg";
	i = "on";
}
function change3()
{
	document.room.src = "img/room3.jpg";
	i = "on";
}
function change4()
{
	document.room.src = "img/room4.jpg";
	i = "on";
}
function change5()
{
	document.room.src = "img/room5.jpg";
	i = "on";
}
function change6()
{
	document.room.src = "img/room6.jpg";
	i = "on";
}