function MCTabs()
{
    this.settings = new Array();
}



MCTabs.prototype.init = function(settings)
{
    this.settings = settings;
}



MCTabs.prototype.getParam = function(name, default_value)
{
    var value = null;
    
    value = (typeof(this.settings[name]) == "undefined") ? default_value : this.settings[name];
    
    // Fix bool values
    if(value == "true" || value == "false")
    {
        return (value == "true");
    }
    
    return value;
}



MCTabs.prototype.displayTab = function(tab_id, panel_id)
{
    var panelElm = document.getElementById(panel_id);
    var panelContainerElm = panelElm ? panelElm.parentNode : null;
    var tabElm = document.getElementById(tab_id);
    var tabContainerElm = tabElm ? tabElm.parentNode : null;
    var selectionClass = this.getParam('selection_class', 'current');
    
    if(tabElm && tabContainerElm)
    {
    	var nodes = tabContainerElm.childNodes;
    
    	// Hide all other tabs
    	for(var i=0; i<nodes.length; i++)
    	{
    		if(nodes[i].nodeName == "LI")
    		{
    		    nodes[i].className = '';
    		}
    	}
    
    	// Show selected tab
    	tabElm.className = 'current';
    }
    
    if(panelElm && panelContainerElm)
    {
    	var nodes = panelContainerElm.childNodes;
    
    	// Hide all other panels
    	for(var i=0; i<nodes.length; i++)
    	{
    		if(nodes[i].nodeName == "DIV")
    		{
    		    nodes[i].className = 'panel';
    		}
    	}
    
    	// Show selected panel
    	panelElm.className = 'current';
    }
}



MCTabs.prototype.getAnchor = function()
{
    var pos, url = document.location.href;
    
    if((pos = url.lastIndexOf('#')) != -1)
    {
        return url.substring(pos + 1);
    }
    
    return "";
}



// Global instance
var mcTabs = new MCTabs();