function toggle2(num) {
	var fl_num = "fl_m" + num;
	var fimg_num = "fleet_" + num;
	document.getElementById('fl_m0').style.display = "none";
	document.getElementById('fl_m1').style.display = "none";
	document.getElementById('fleet_1').removeAttribute("style");
	document.getElementById('fl_m2').style.display = "none";
	document.getElementById('fleet_2').removeAttribute("style");
	document.getElementById('fl_m3').style.display = "none";
	document.getElementById('fleet_3').removeAttribute("style");
	document.getElementById('fl_m4').style.display = "none";
	document.getElementById('fleet_4').removeAttribute("style");
	document.getElementById('fl_m5').style.display = "none";
	document.getElementById('fleet_5').removeAttribute("style");
	document.getElementById('fl_m6').style.display = "none";
	document.getElementById('fleet_6').removeAttribute("style");
	
	document.getElementById(fl_num).style.display = "inline-block";
	document.getElementById(fimg_num).style.backgroundPosition = "0px 0px";
}

function toggle(contentDiv,imgDiv) {
	var fl_array=new Array("fl_m0", "fl_m1", "fl_m2", "fl_m3", "fl_m4", "fl_m5", "fl_m6");
	var fimg_array=new Array("fleet_1", "fleet_2", "fleet_3", "fleet_4", "fleet_5", "fleet_6");
	for (i=0; i < fimg_array.length; i++) {
		var fimg = document.getElementById(fimg_array[i]);
		fimg.style.backgroundPosition = "0px -86px";
	}
	for (i=0; i < fl_array.length; i++) {
		var ele = document.getElementById(fl_array[i]);
		ele.style.display = "none";
	}
	var ele1 = document.getElementById(contentDiv);
	var ele2 = document.getElementById(imgDiv);
	ele1.style.display = "inline-block";
	ele2.style.backgroundPosition = "0px 0px";
}