// Hide all select boxes    
function hideSelect()
{
				var agt=navigator.userAgent.toLowerCase();
    if (document.all && ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1))) // Only do this for IE
    {
        for (formIdx=0; formIdx<document.forms.length; formIdx++) 
        {
            var theForm = document.forms[formIdx];
            for(elementIdx=0; elementIdx<theForm.elements.length; elementIdx++)
            {
                if(theForm[elementIdx].type == "select-one") 
                {    theForm[elementIdx].style.visibility = "hidden";    }
            }
        }
    }
}

// Unhide all select boxes
function unhideSelect()
{
				var agt=navigator.userAgent.toLowerCase();
    if (document.all && ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1))) // Only do this for IE
    {
        for (formIdx=0; formIdx<document.forms.length; formIdx++) 
        {
            var theForm = document.forms[formIdx];
            for(elementIdx=0; elementIdx<theForm.elements.length; elementIdx++)
            {
                if(theForm[elementIdx].type == "select-one") 
                {    theForm[elementIdx].style.visibility = "visible";    }
            }
        }
    } 
}