<!--
var directionTop = 'up';
var xTop = -160;
var xTopMin = -160;
var xTopMax = 0;
var xTopStep = 0;
var topSize = 160;
var overlapOffset = 9;
var initInnerHTML = '<a href="#" onclick="swapTop();return(false);" class="identifier">Clients &amp; Support</a><br><a href="#" onclick="swapTop();return(false);" class="sub_identifier">open</a>';
var swapInnerHTML = '<a href="#" onclick="swapTop();return(false);" class="return_identifier">Clients &amp; Support</a><br><a href="#" onclick="swapTop();return(false);" class="return_identifier">close</a>';

//top manager slides top and content layers
function doTopMove() {
   var tbar = document.getElementById('topbar');
   var box = document.getElementById('content');
   var cdiv = document.getElementById('identifier_clients');
   
   //handles movement of page layers to hide/show top nav
   if (directionTop == 'up') { //move layers up
     //swap inner HTML to init
     if (cdiv.innerHTML!=initInnerHTML) {
       cdiv.innerHTML = initInnerHTML;
     }
     
     //then handle move
     xTopStep = ((2*(xTop-xTopMin))/20) + 1
     xTop = xTop - xTopStep
     if (xTop < xTopMin) {
        xTop = xTopMin
     }
     tbar.style.top = xTop;
     //shift layer if required
     
     if (((xTop - xTopMin) - overlapOffset)>0) {
        box.style.top = (xTop + topSize) - overlapOffset;
     }
     else {
        box.style.top = 0;
     }
     
     //call again if needed
     if (xTop > xTopMin) {
        setTimeout('doTopMove()',50);
     }         
   } else { //move layers down
     //swap inner HTML to alternate
     if (cdiv.innerHTML!=swapInnerHTML) {
       cdiv.innerHTML = swapInnerHTML;
     }
     
     //then handle move
     xTopStep = ((2*(xTopMax-xTop))/20) + 1
     xTop = xTop + xTopStep
     if (xTop > xTopMax) {
        xTop = xTopMax
     }
     tbar.style.top = xTop;
     
     //shift layer once offset is passed
     if ((xTop - xTopMin) > overlapOffset) {
        box.style.top = (xTop + topSize) - overlapOffset;
     }
     //call again if needed
     if (xTop < xTopMax) {
        setTimeout('doTopMove()',50);
     }
   }
}
    
function swapTop() {
    if (directionTop == 'up') {
       directionTop = 'down';
       doTopMove();
    } else {
       directionTop = 'up';
       doTopMove();
    }    
}
//-->