var selectedMenu = "mainTabLinkSelected";
var menuLink = "mainTabLink";
var overTab = "mainTabLink2";

function toggleMenu(obj){
	if (obj.className == menuLink){
		obj.className = overTab;
		obj.parentElement.className = overTab;
	}
	else if (obj.className == overTab){
		obj.className = menuLink;
		obj.parentElement.className = "";
	}
}


var oldElement = "left_1_1";

function showContent(obj){
//	alert(obj.parentElement.parentElement.parentElement.parentElement.id);
	var fullName = obj.parentElement.parentElement.parentElement.parentElement.id
	var nameArray = fullName.split("_");
	// handle old element
	var oldName = oldElement.split("_");
	document.getElementById(oldName[0] + "_" + oldName[1] + "_2").style.display = "none";
	document.getElementById(oldElement).style.display = "";
	document.getElementById("tbl_" + oldName[1]).style.display = "none";
	
	// handle new element
	document.getElementById(fullName).style.display = "none";
	document.getElementById(nameArray[0] + "_" + nameArray[1] + "_2").style.display = "";
	document.getElementById("tbl_" + nameArray[1]).style.display = "";
	oldElement = fullName;
}

function isOK(obj){
	if (obj.Email.value == "" || obj.Telephone.value == ""){
		alert("Please make sure to fill the mandatory fields.");
		return false;
	}
	return true;
}

function checkDonorForm(obj){
		if (obj.firstname.value || obj.email.value == "" || obj.Telephone.value == ""){
		alert("Please make sure to fill the mandatory fields.");
		return false;
	}
	return true;
}