clicked = 1;

function f_over(index)
{
	if (index != clicked) {
		document.images[index].src = 
		"kepek/sav0"+index+"_1.gif";
	}
}

function f_out(index)
{
	if (index != clicked) {
		document.images[index].src = 
		"kepek/sav0"+index+"_0.gif";
	}
}

function f_click(index) 
{
	document.images[clicked].src = 
	"kepek/sav0"+clicked+"_0.gif";
	document.images[index].src = 
	"kepek/sav0"+index+"_2.gif";
	clicked = index;
}