// JavaScript Document
var div_id = 0;
function show_left_menu(id){
	object = document.getElementById("left_menucha_" + id);
	try{
		//document.getElementById("left_menucha_"+div_id).style.display = 'none';   //cho so het, ko thu lai khi click
		//document.getElementById("div_left_"+div_id).className = 'div_left_0';
	}
	catch(e){}

if (object != undefined) {
		if (object.style.display == "none") {
			object.style.display = "block";
			//document.getElementById("div_left_"+id).className = 'div_left_1';
			div_id = id;
			document.cookie = 'iCha='+div_id;
		}
		else {
			object.style.display = "none";
		}
	}
	else return;
}