var multimedia_tab = Array(6);
multimedia_tab["1"] = Array("0px"  )
multimedia_tab["2"] = Array("106px"  )
multimedia_tab["3"] = Array("212px"  )
multimedia_tab["4"] = Array("318px"  )

var MLisIE4=false;
var MLisNav4=false;
var MLisNav6=false;
var MLactMenu =0;
var prevMenu = 0
MLsetBrowser();

function MLsetBrowser()
{
   	if (navigator.appVersion.charAt(0) == "4")
    {
        if (navigator.appName.indexOf("Explorer") >= 0) 
   			MLisIE4 = true;
        else 
   			MLisNav4 = true;
    }
    else if (navigator.appVersion.charAt(0) > "4")
          MLisNav6 = true;
    
}

function MLsetIdProperty(id, property, value)
{
  
   if ( MLisNav6 )
    {
        var styleObject = document.getElementById(id);
		
        if (styleObject != null)
        {
            styleObject = styleObject.style;
		 
            styleObject[property] = value;
        }
    }
    else if ( MLisNav4)
	{
       if (document[id]) 
		document[id][property] = value;
	}
	else if ( MLisIE4)
	{
        if (document.all[id]) 
		 document.all[id].style[property] = value;
	}
} 

 
function MLShowMenu(id)
{
	MLsetIdProperty("multimedia_menu" + id, "backgroundPosition", "0px -27px");
}

 
function MLHideMenu(id, forced)
{
	 
	if (MLactMenu!=id || forced)
	{
		
	 	MLsetIdProperty("multimedia_menu" + id, "backgroundPosition", "0px 0px");
		MLsetIdProperty("multimedia_menu_expand" + id, "display", "none");
	} 
}


function  MLMenu(id,nr)
{
	var this_menu=id;
	 
	if (nr==1)
	{
		 
		if (prevMenu>0)  MLHideMenu(prevMenu,1)
		
		MLactMenu = this_menu;
		MLShowMenu(this_menu);
		
		
		if (multimedia_tab[this_menu])
		{	
			MLsetIdProperty("multimedia_menu_expand" + this_menu, "display", "block");
			MLsetIdProperty("multimedia_menu_expand" + this_menu, "left",multimedia_tab[this_menu][0] );
			if (multimedia_tab[this_menu][1]) MLsetIdProperty("bg_main" + this_menu, "width",multimedia_tab[this_menu][1] );
		}
	 
	}
	else
	{
		prevMenu = MLactMenu ;
		MLactMenu = 0;
		setTimeout("MLHideMenu("+this_menu+")",100);
	}	
	
}

function MLKMenu(nr) {MLactMenu = nr;}