function ShowTab(sNameLayer, sTabLayers, iIndex, sTotalLayers)
{
    var aTabLayers = sTabLayers;
	var sFicha = sNameLayer+aTabLayers;

    for(i=1;i<=sTotalLayers;i++)
    {
		document.getElementById(sNameLayer+i).style.display = "none";
    }
    document.getElementById(sFicha).style.display = "block";
}

function ShowTab2(sTabLayers,sTabs,sImageNameBases,iIndex)
{
    var aTabLayers = sTabLayers.split(",");
    var aTabs = sTabs.split(",");
    var aImageNameBases = sImageNameBases.split(",");
    var i = 0;

    for(i=0;i<aTabLayers.length;i++)
    {
        //turn off all tab sections
        document.getElementById(aTabLayers[i]).style.display = "none";

        //turn off all tabs themselves
        document.getElementById(aTabs[i]).src = "images/" + aImageNameBases[i] + "off.png";
    }

    //display the correct tab section and tab image (according to the arguments passed in to this function)
    var sSectionDivId = aTabLayers[iIndex];
    var sTabImageId = aTabs[iIndex];
    document.getElementById(sSectionDivId).style.display = "block";
    document.getElementById(sTabImageId).src = "images/" + aImageNameBases[iIndex] + "on.png";
}