function opencom(idd,zpid)
{

if (document.getElementById(idd).style.display == "none") {document.getElementById(idd).style.display = "block"; document.getElementById(zpid).src = "minusx.gif";} 
else {document.getElementById(idd).style.display = "none"; document.getElementById(zpid).src = "plusx.gif";};


}

function ChangeFontSize(size) {
    document.getElementsByTagName('body')[0].style.fontSize = size + "px";
}