var newTab = "";
var oldTab = "";
var oldTabNo = "0";

function setTab(tabno) {
	if (newTab == "") {
		oldTabNo = tabno;
	    newTab = "#mb" + tabno;
	    $(newTab).addClass("midbuttonsSel");
	    $(newTab).removeClass("midbuttons");
    }

    else if (tabno != oldTabNo) {  
	    oldTabNo = tabno;
	    oldTab = newTab;
	    newTab = "#mb" + tabno;
	    $(newTab).addClass("midbuttonsSel");
	    $(newTab).removeClass("midbuttons");
	    $(oldTab).removeClass("midbuttonsSel");
	    $(oldTab).addClass("midbuttons");
    }
    
}

function setSide(sideno) {
	if (newSide == "") {
		oldsideno = sideno;
	    newSide = "#mb" + sideno;
	    $(newSide).css('color', '#000000');
    }

    else if (sideno != oldsideno) {  
	    oldsideno = sideno;
	    oldSide = newSide;
	    newSide = "#mb" + sideno;
	    $(newSide).addClass("midbuttonsSel");
	    $(oldSide).removeClass("midbuttonsSel");
	    $(oldSide).addClass("midbuttons");
    }
}