function makeWin(tUrl, strheight, strwidth) {
	agent = navigator.userAgent;
	windowName = "DefinitionWindow";
	
	var vwidth = strwidth;
	var vheight = strheight;
	var vtop = ((screen.height - vheight)/2);
	var vleft = ((screen.width - vwidth)/2); 
	params  = "";
	params += "toolbar=0,";
	params += "location=0,";
	params += "directories=0,";
	params += "status=0,";
	params += "menubar=0,";
	params += "scrollbars=1,";
	params += "resizable=1,";
	params += "width=" + vwidth + ",";
	params += "height=" + vheight + ",";
	params += "top=" + vtop + ",";
	params += "left=" + vleft;
	
	win = window.open(tUrl, windowName, params);
	if (agent.indexOf("Mozilla/2") != -1 && agent.indexOf("Win") == -1) {
	    win = window.open(url, windowName , params);
	}
	if (!win.opener) {
	    win.opener = window;
	}
}

//Show/Hide Layer Functions
function hideItemLayer(Layer) 
{	
	document.getElementById('a' + Layer).className = "inactive";
	document.getElementById('div' + Layer).style.display = "none";
}

function showItemLayer(Layer)
{	
    //Hide all
    for (i = 1; i < 21; i++)
    {
        if (document.getElementById('aItem' + i) != null)
            hideItemLayer('Item' + i);
        else
            break;
    }

    //Show 1 layer
	document.getElementById('a' + Layer).className = "active";
	document.getElementById('div' + Layer).style.display = "block";	
}

// Resource finder (RF) functions.
function RF_showAccred()
{
    document.getElementById('divAccredOn').style.display = "none";
    document.getElementById('divAccredOff').style.display = "block";

    document.getElementById('divQSOn').style.display = "block";
    document.getElementById('divQSOff').style.display = "none";
    
    RF_showSearchResourcesList();
        
    //RF_hideLists();        
}

function RF_hideAccred()
{
    document.getElementById('divAccredOn').style.display = "block";
    document.getElementById('divAccredOff').style.display = "none";
    
    RF_hideSearchResourcesList();
}

function RF_showQS()
{
    document.getElementById('divQSOn').style.display = "none";
    document.getElementById('divQSOff').style.display = "block";
    
    document.getElementById('divAccredOn').style.display = "block";
    document.getElementById('divAccredOff').style.display = "none";
    
    RF_showSearchProductsList();
}

function RF_hideQS()
{
    document.getElementById('divQSOn').style.display = "block";
    document.getElementById('divQSOff').style.display = "none";
    
    RF_hideSearchProductsList();
}

function RF_showAccredit()
{
    document.getElementById('divAccredit').className = "searchTabaccredit_on";
    document.getElementById('divProducts').className = "searchTabproducts_off";
    
    document.getElementById('divSearchResources').style.display = "block";
    document.getElementById('divSearchProducts').style.display = "none";
    
    RF_hideLists();
}

function RF_showProducts()
{
    document.getElementById('divAccredit').className = "searchTabaccredit_off";
    document.getElementById('divProducts').className = "searchTabproducts_on";
    
    document.getElementById('divSearchResources').style.display = "none";
    document.getElementById('divSearchProducts').style.display = "block";
    
    RF_hideLists();
}

function RF_showSearchResourcesList()
{
    document.getElementById('divSearchProductsList').style.display = "none";
    document.getElementById('divSearchResourcesList').style.display = "block";    
}

function RF_showSearchProductsList()
{
    document.getElementById('divSearchProductsList').style.display = "block";
    document.getElementById('divSearchResourcesList').style.display = "none"; 
}

function RF_hideSearchResourcesList()
{
    document.getElementById('divSearchResourcesList').style.display = "none";
    
    document.getElementById('divAccredOn').style.display = "block";
    document.getElementById('divAccredOff').style.display = "none";
    
    document.getElementById('divQSOn').style.display = "block";
    document.getElementById('divQSOff').style.display = "none";        
}

function RF_hideSearchProductsList()
{
    document.getElementById('divSearchProductsList').style.display = "none";
    
    document.getElementById('divAccredOn').style.display = "block";
    document.getElementById('divAccredOff').style.display = "none";
    
    document.getElementById('divQSOn').style.display = "block";
    document.getElementById('divQSOff').style.display = "none";        
    
}

function RF_hideLists()
{
    RF_hideSearchResourcesList();
    RF_hideSearchProductsList(); 
}