//导航
var lvren_navi_cate_limit = 8;
	function menu_focus(id){
	   for(i=1;i<=lvren_navi_cate_limit;i++){
		   
		   //id nav_$i_s  nav_$i_a
		   var navi_s_tmp_str = "menu_"+i+"_s";
		   var navi_a_tmp_str = "menu_"+i+"_a";
		   var navi_l_tmp_str = "menu_link_"+i;
		   if(id == i){
			 document.getElementById(navi_s_tmp_str).style.display='';
			 document.getElementById(navi_a_tmp_str).style.display='none';
			 document.getElementById(navi_l_tmp_str).style.display='';
			 
		   }else{
			 document.getElementById(navi_s_tmp_str).style.display='none';
			 document.getElementById(navi_a_tmp_str).style.display='';
			 document.getElementById(navi_l_tmp_str).style.display='none';
		   }//end of if 
	   }
	}

//输入框
function checkLogin(content,n) {
	if (n == 0 && content.value == "输入关键字-例如：销售"){
	   
		content.value="";
	}
	if (n == 1){
		if(content.value == "输入关键字-例如：销售"){content.value="";}
		
	}
	if (n == 2 && content.value == ""){content.value = "输入关键字-例如：销售";}
}	

//搜索框
function display(num){
   document.getElementById('c'+num).className="column_01";
   document.getElementById('n'+num).style.display="";
   
   for(var i=1;i<=10;i++){
   if(i!=num){
   if(document.getElementById('c'+i)!=null&&document.getElementById('n'+i)!=null){
   document.getElementById('c'+i).className="column_02";
   document.getElementById('n'+i).style.display="none";
   }
   }
   }
}

//分类
function showMM(num){
	var num="MM"+num;
	document.getElementById(num).style.display="block";
}
function hideMM(num){
	var num="MM"+num;
	document.getElementById(num).style.display="none";
}