function MM_findObj(n, d) { //v4.01
var p,i,x;
if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_showHideLayers() { //v6.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null)
{
v=args[i+2];
if (obj.style) {
obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v;
}
obj.visibility=v;
}
}

function change_background1(i) {
	var x = document.getElementById(i);
	x.style.background = 'url(/images/menu/bg2.jpg)';
}

function change_background2(i) {
	var x = document.getElementById(i);
	x.style.background = 'url(/images/menu/bg1.jpg)';
}