var n = 3;
var f = false;
var b = new Array;
var b1 = new Array;
var b2 = new Array;

function prel()
{

}

function on(im)
{
	
	jQuery("#"+im).attr("src","../buttons/" + im + "_o.gif");
}

function off(im)
{
	jQuery("#"+im).attr("src","../buttons/" + im + ".gif");
}