function ilsfe(num)
{
	num = parseInt(num);
	//alert(document.getElementById("mod").value);
	switch(num)
	{
		case 1:
			document.getElementById("el_1").style.display = "block";
			document.getElementById("el_2").style.display = "none";
			document.getElementById("mod").value = 20;
			break;
		case 2:
			document.getElementById("el_1").style.display = "none";
			document.getElementById("el_2").style.display = "block";
			document.getElementById("mod").value = 21;
			break;
	}
}
function secureSearch()
{
	alert("changed!");
}