function OnClientClick(Index, menuid, param) {
    var ServerControID = 'btnSubmit';
    var IndexControlID = 'txtHidden';
    var txtParam = 'txtParam';

    var iMenuID = 'txtMenuID';
    var objButton = document.getElementById(ServerControID);
    if (objButton) {
        document.getElementById(IndexControlID).value = Index;
        document.getElementById(iMenuID).value = menuid;

        if (typeof param != "undefined") {
            document.getElementById(txtParam).value = param;
        }
        objButton.click();
    }
    return false;
}

function swapimage(src) {
    src = src.replace('/tumb', '');
    document.getElementById('imgMain').src = src;
}

function resizeText(multiplier) { 
  if (document.body.style.fontSize == "") { 
    document.body.style.fontSize = "11px"; 
  }  
  document.body.style.fontSize = multiplier  + "px"; 
}