function menu_view(){
	var url="menu.json";
	var myAjax = new Ajax.Request(url, { method: 'get', onComplete: showResponse});
}
function showResponse(res){
	var jsondata;

	var menu_text ="<ul>";
	eval("jsondata=["+res.responseText+"];");
	for(i=0;i< jsondata.length ;i++){
		if(i== (jsondata.length-1)){bgxps=540-jsondata[i].xps;}else{bgxps=jsondata[(i+1)].xps-jsondata[i].xps;}
		menu_text+="<li id='mm_"+jsondata[i].menu+"' style='width:"+bgxps+"px;background-position:-"+jsondata[i].xps+"px 0px;' onclick=\"location.href='"+jsondata[i].link+"'\" onmouseover=\"Element.setStyle(this,{'backgroundPosition':'-"+jsondata[i].xps+"px -27px'});\" onmouseout=\"Element.setStyle(this,{'backgroundPosition':'-"+jsondata[i].xps+"px 0px'});\"><a href='"+jsondata[i].link+"'>"+jsondata[i].menu+"</a></li>";
	}
	menu_text+="</ul>";
	$('main_menu').innerHTML = menu_text ;

}

window.onload = function(){
	menu_view();
}