$(document).ready(function(){
		
		$('ul.left_menu ul').each(function(index)
					{						
							$(this).find(".select").parent().css("display","block");
							$(this).prev().addClass('root').click(function(){
							if ($(this).next().css('display') == 'none') {
								 $(this).next().slideDown(400,function(){
									 });
							 }else{
								 $(this).next().slideUp(400,function(){
										$(this).find('ul').each(function() {
											$(this).hide().prev();
										});							 
									 });
							 };
							 return false;
						   });
					});
		
});



function init(all){
	for(i=0;i<=all;i++){
		nowsub="submenu"+i;
		obj=document.getElementById(nowsub);
		obj.style.display="none";
	}
}
function submenu(sn,all){
	
	for(i=0;i<=all;i++){
		if(i!=sn){
			nowsub="submenu"+i;
			obj=document.getElementById(nowsub);
			obj.style.display="none";
		}
	}
	nowsub="submenu"+sn;
	obj=document.getElementById(nowsub);
  	subm = obj.getElementsByTagName("ul");
	
	if(obj.style.display == "block") obj.style.display="none";
	else obj.style.display="block";
	
	if (subm.length>0) return false;
	else return true;
}