var n = 6;
var f = false;
var b = new Array;
function prel(){

   	if(document.images) {
	  for(i=1;i<=n;i++)
               {str = '/buttons/m' + i + '_a.gif';
               b[i-1] = new Image();
               b[i-1].src = str;
}f = true;
 		}
}

function on(im){
	if (document.images && (f == true)) 
		{document.images[im].src="/buttons/"+im+"_a.gif";}
		
}
function off(im){
	if (document.images && (f == true))
		{document.images[im].src = "/buttons/"+im+".gif";}
}


function fon_on(id) 
{
	//document.getElementById(id).style.height="27px";
document.getElementById(id).style.backgroundImage="url(/images/fon_menu_inside_large.gif)";
}

function fon_off(id) 
{
document.getElementById(id).style.backgroundImage="url(/images/fon_menu_inside_large_link.gif)";
}

function link_on(id) 
{
document.getElementById(id).style.color='#ffffff';
}

function link_off(id) 
{
document.getElementById(id).style.color='';
}