if (window.screen && window.screen.width >= 600) {
window.onload = function() {
	Move.element('nav-site', 'nav-copy', 'copy');
}
}

var Move =	{
copy	:	function(e, target)	{ 
var	eId		= document.getElementById(e);
var	copyE	= eId.cloneNode(true);
var cLength	= copyE.childNodes.length -1;
copyE.id	= e+'-copy';
for(var i = 0; cLength >= i;  i++) {
if(copyE.childNodes[i].id) {
var cNode	= copyE.childNodes[i];
var firstId	= cNode.id;
cNode.id	= firstId+'-copy'; }
}
document.getElementById(target).appendChild(copyE);
},
element	:	function(e, target, type)	{
var eId	=	document.getElementById(e);
if(type == 'move') { document.getElementById(target).appendChild(eId); }
else if(type == 'copy')		{ 
this.copy(e, target);
}
}
}