// --------------------------------------------- LINKA

function linka(obj) {
	obj.style.cursor = "pointer";
}

function delinka(obj) {
	obj.style.cursor = "auto";
}

function linkadestra(obj) {
	obj.style.cursor = "pointer";
	obj.style.backgroundImage = "url(../grafica/dxA.png)";
}

function delinkadestra(obj) {
	obj.style.backgroundImage = "url(../grafica/dx.png)";
}

function linkasinistra(obj) {
	obj.style.cursor = "pointer";
	obj.style.backgroundImage = "url(../grafica/sxA.png)";
}

function delinkasinistra(obj) {
	obj.style.backgroundImage = "url(../grafica/sx.png)";
}