function showHide(elementParent, elementChild, elementLink){
    if (!document.getElementById)
        return;
	
    var parentElement = document.getElementById(elementParent);
    var childElement = document.getElementById(elementChild);
    var childElementClassName = childElement.parentNode.className;
	
    // change the parent level to close all items
    // only supply the parent element if you want to close all items before opening one
    if(elementParent != '') {
        for ( var x = 0; parentElement.childNodes[x]; x++)
        {
            parentElement.childNodes[x].className = "showhide-closed";
        }
	}
	
    // change the class for the show/hide elements
    // the styles control the arrows and dropdown box visibility
    if(childElementClassName == "showhide-open") {
        childElement.parentNode.className = "showhide-closed";
    } else {
        childElement.parentNode.className = "showhide-open";
    }
    
    // hide the event link if it is given
    if(elementLink != '') {
        var linkElement = document.getElementById(elementLink);
        linkElement.className = "showhideLink-closed";
    }
}

	
function ToggleDisplay(id)
{
    var longDisplay = document.getElementById('d' + id);
    var shortDisplay = document.getElementById('h' + id);
    if (longDisplay) 
    {
        if (longDisplay.style.display != 'block') 
        {
            longDisplay.style.display = 'block';
            longDisplay.style.visibility = 'visible';
            shortDisplay.style.display = 'none';
            shortDisplay.style.visibility = 'hidden';
        } 
        else
        {
            longDisplay.style.display = 'none';
            longDisplay.style.visibility = 'hidden';
            shortDisplay.style.display = 'block';
            shortDisplay.style.visibility = 'visible';
        }
    }
}

function noenter() {
    return !(window.event && window.event.keyCode == 13);
}