var theCurrentDiv = "";
//var isIEBrowser = document.all?true:false;

//Sets the image name and image count parameters.
function openNewWindow(docName)
{
  window.open(docName,"InfoWindow","dependent=1,height=750,width=575,screenx=10,screeny=10,menubar=0,scrollbars=0,resizable=0,toolbar=0");
}

function setDiv(DivName) {
//Hides the current division and unhides the division named <DivName>

    var theHideDiv = document.getElementById(theCurrentDiv);
    theHideDiv.style.visibility ="hidden";
    var theShowDiv = document.getElementById(DivName);
    theShowDiv.style.visibility = "visible";
    theCurrentDiv = DivName;
}

function showMask() {
  var theSmallLogoDiv = document.getElementById("ImageMaskDiv");
  theSmallLogoDiv.style.visibility = "visible";
}

function hideMask() {
    var theSmallLogoDiv = document.getElementById("ImageMaskDiv");
    theSmallLogoDiv.style.visibility = "hidden"; 
}