/** menus **/

function Menus()
{
}

Menus.activeElement = null;
Menus.srcElement = null;
Menus.hider = null;

Menus.prototype.mouseOver = function(element)
{
    if( (element == Menus.activeElement) || (element == Menus.activeSrc) || (element == Menus.shadowElement) ) {
		if( Menus.hider != null ) {
		    clearTimeout( Menus.hider );
		    Menus.hider = null;
		}
		return;
    }

    if( Menus.activeElement != null ) {
		if( Menus.hider != null )
		    clearTimeout( Menus.hider );
		Menus.hider = null;
		this.finalCleanup();
    }

    var subId = element.getAttribute( "subid" );
    var child = document.getElementById( "sub_" + subId );

    if( !child  ) return;

    var pos = getPageCoords( element );

    child.style.left = pos.x + "px";
    child.style.top = (pos.y + 29) + "px";
    child.style.width = element.offsetWidth + "px";
    child.style.display = "block";

    Menus.activeElement = child;

    Menus.srcElement = element;
	Menus.srcElement.style.color = "#ffffff";
}

Menus.prototype.mouseOut = function(element)
{
    if( Menus.hider != null ) return;
    if( Menus.activeElement == null ) return;

    Menus.hider = setTimeout( this.finalCleanup, 800 );
}

Menus.prototype.finalCleanup = function()
{
    if( Menus.activeElement != null ) {
    	Menus.activeElement.style.display = "none";
    }
    
    if( Menus.srcElement != null ) {
    	Menus.srcElement.style.color = "";
    }
    
    Menus.hider = null;
    Menus.srcElement = null;
    Menus.activeElement = null;
}