function show_subnav(nav,subnav){

	if(document.getElementById(subnav)){
		document.getElementById(current_subnav).style.display = "none";
		document.getElementById(subnav).style.display = "block";
		current_subnav = subnav;
	}
	
	if(document.getElementById(nav)){
	
		if(current_nav != ""){
			if(document.getElementById(current_nav).className != "main_nav_on"){
				document.getElementById(current_nav).className = "main_nav";
			}
		}
		if(document.getElementById(nav).className != "main_nav_on"){
			document.getElementById(nav).className = "main_nav_over";
		}
		
		current_nav = nav;
	}
}

function footerRollOver(pos) 
{
	if(pos=="left"){
		document.getElementById("footer_left").className = "footer_left_on";
	}else{
		document.getElementById("footer_right").className = "footer_right_on";
	}
}

function footerRollOff(pos) 
{
	if(pos=="left"){
		document.getElementById("footer_left").className = "footer_left_off";
	}else{
		document.getElementById("footer_right").className = "footer_right_off";
	}
}
function checkLength(ctl)
{
    if (document.getElementById(ctl).value.length < 3) {
        alert('Minimum 3 characters are required !');
        document.getElementById(ctl).focus();
        return false;
    }
    return true;
}

function showSearchLayer()
{
    var x = document.getElementById('ctl00_divSearch').style;
    if (x.display == 'inline') x.display = 'none';
    else x.display = 'inline';
    return false;
}

function Focus(obj) {
    if (obj.value == "search" || obj.value =="search directory" || obj.value =="search bulletin") {
        obj.value = "";
        obj.className = "txtHS";            
    }
}

function Blur(obj) {
    if (obj.value == "") {
        watermark(document.getElementById('ctl00_hidSearch').value);
        obj.className = "txtHS2";            
    }
    else {
        obj.className = "txtHS";
    }
}

function showLayer(t)
{
    document.getElementById('ctl00_hidSearch').value = t;
    
    if (document.getElementById('ctl00_txtSearch').value == "search" || document.getElementById('ctl00_txtSearch').value == "search directory" || document.getElementById('ctl00_txtSearch').value == "search bulletin") {
        watermark(t);
        document.getElementById('ctl00_txtSearch').className = "txtHS2";
    }
    document.getElementById('ctl00_divSearch').style.display = 'none';
}
function watermark(t) {
    switch (t) {
        case '1':
            document.getElementById('ctl00_txtSearch').value = 'search';
            break;
        case '2':
            document.getElementById('ctl00_txtSearch').value = 'search directory';
            break;
        case '3':
            document.getElementById('ctl00_txtSearch').value = 'search bulletin';
            break;
    }
}
var current_nav = "";
var current_subnav = "default_subnav";

function setVisibility(id, visibility) {
document.getElementById(id).style.display = visibility;
}