var activeCharttab = 0; // active review
var newId = 0;

function switchCharttab(newId) {
	document.getElementById("charts_tab_"+activeCharttab).style.display = "none";
	document.getElementById("charts_tab_"+newId).style.display = "block";
	document.getElementById("charts_tabswitcha_"+activeCharttab).style.display = "none";
	document.getElementById("charts_tabswitchi_"+activeCharttab).style.display = "block";
	document.getElementById("charts_tabswitchi_"+newId).style.display = "none";
	document.getElementById("charts_tabswitcha_"+newId).style.display = "block";
	activeCharttab = newId;
}