function ShowDiv(elemId)
{
var t=document.getElementById(elemId);
t.style.display= "block";
}

function HideDiv(elemId) {
var t=document.getElementById(elemId);
t.style.display= "none";
}


function ShowSubMenu(elemId)
{
	HideDiv("sub_lidaregion");
	HideDiv("sub_economica");
	HideDiv("sub_city");
	HideDiv("sub_infrastructura");
	HideDiv("sub_isp");	
	ShowDiv(elemId);
}