var cartina= new Array()


cartina [0]= "files/cartina_3.gif"
cartina [1]= "files/cartina_2.gif"
cartina [2]= "files/cartina_1.gif"

function zoom3 () {
	
	
	
	document.cartina.src=cartina[0]

		
}

function zoom2 () {
	document.cartina.src=cartina[1]
	
 

}
function zoom1 () {
	document.cartina.src=cartina[2]

 

}