function ShowMe(obj) {	
if(obj!="tell_curve_box") {
	document.getElementById("greek-gear-design-box").style.display = "none";
	document.getElementById("greek-gear-design-box").style.visibility = "hidden";
}
document.getElementById(obj).style.display = "block";
document.getElementById(obj).style.visibility = "visible";

}
function hideMe(obj) {
document.getElementById(obj).style.display = "none";
document.getElementById(obj).style.visibility = "hidden";
}