var ads = new Array();
function GetAdsByClassName(className)
{
    for(var index=0; index<ads.length; index ++)
    {
        if(ads[index][0] == className)
            return ads[index][1];
    }
    return null;
}
function Openwindow()
{
     window.open('http://apps.knowledgehorizon.com/comexevent/comexeventregister.aspx?languageid=1', '', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=820px, height=550px');  
}
function Openwindowar()
{
     window.open('http://apps.knowledgehorizon.com/comexevent/comexeventregister.aspx?languageid=2', '', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=850px, height=550px');  
}
function SetAdsByClassName(className, adv, timeout)
{
    var found = false;
    for(var index=0; index<ads.length; index ++)
    {
        if(ads[index][0] == className)
        {
            found = true;
            ads[index][1] = adv;
            break;
        }
    }
    if(!found)
    {
        ads[ads.length]= new Array(className, adv, null);
    }
    ChangeAdds(className, timeout);
}
function ChangeAdds(className, timeout)
{          
    if(className)
    {           
        var ads = GetAdsByClassName(className);
        if(ads[0].length > 0)
        {
            var adsIndex = ads[1];  
            if(adsIndex==ads[0].length)
            {
                adsIndex=0;
            }
            $('.' + className).html(ads[0][adsIndex].replace(/&lt;/g, '<').replace(/&gt;/g, '>'))
            adsIndex++;
            ads[1] = adsIndex;
            clearTimeout(ads[2]);
            ads[2] = setTimeout("ChangeAdds('" + className +"'," + timeout +")",timeout);
        }
    }
}