function check_all(str_form){
		var form = eval(str_form);
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox"){
				form.elements[i].checked = true;
			}
		}
	}
	function uncheck_all(str_form){
		var form = eval(str_form);
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox"){
				form.elements[i].checked = false;
			}
		}
	}
	
	function delete_checked(str_form){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = form.action+"?id=";
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("Select items to delete!")
		}else{
			if(confirm("Do you want to delete items?")){
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url;
			}
		}
	}
	function answer_checked(str_form){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = form.action+"?id=";
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("Select item to answer!")
		}else{
			
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url;
			}
	}
	function answered_checked(str_form, url ){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = "";
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("Select item to answer!")
		}else{
			
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//return str_url;
				window.location = "question_del_script.php?id=" + str_url;
			}
	}
		function delete_checked_and_query_str(str_form,query_str){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = form.action+"?id=";
		alert(str_url);
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("Chọn phần tử cần xóa!")
		}else{
			if(confirm("Bạn có chắc muốn xóa các mẩu tin đã chọn không?")){
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url+query_str;
			}
		}
	}
	
	function delete_checked_muahang(str_form, action){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = action+"?id=";
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("Chọn phần tử cần xóa!")
		}else{
			if(confirm("Bạn có chắc muốn xóa các phần tử đã chọn không?")){
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url;
			}
		}
	}
	
	
	function delete_checked_ParentID(str_form, parentID){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = form.action+"?parentID="+parentID+"&id=";
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("Chọn phần tử cần xóa!")
		}else{
			if(confirm("Bạn có chắc muốn xóa các phần tử đã chọn không?")){
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url;
			}
		}
	}
		
	function delete_checked_Name(str_form, action, name, numCheck, formValue){
		var form = eval(str_form);
		form.action = action;
		var b_alert = true;
		var str_url = form.action+"?name="+name+"&dtID="+formValue+"&id=";
		for(var i=1; i<=numCheck; i++){
			//alert(form.elements[name+i].value);
			if( form.elements[name+i].type.toLowerCase() == "checkbox" && form.elements[name+i].checked == true){
				b_alert = false;
				str_url +=  form.elements[name+i].value+",";
			}
		}
		
		if(b_alert){
			alert("Chọn phần tử cần xóa!")
		}else{
			if(confirm("Bạn có chắc muốn xóa các phần tử đã chọn không?")){
				//form.submit();
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url;
			}
		}
	}
	
	function set_status(str_form,url,status){
		var form = eval(str_form);
		var b_alert = true;
		var str_url = url+"?s="+status+"&id=";
		for(var i= 0; i< form.elements.length;i++){
			if( form.elements[i].type.toLowerCase() == "checkbox" && form.elements[i].checked == true){
				b_alert = false;
				str_url +=  form.elements[i].value+",";
			}
		}
		if(b_alert){
			alert("There is no item chosen to "+status);
		}else{
			if(confirm("Are you sure to "+status+" item(s) ?")){
				str_url = str_url.toString();
				str_url = str_url.substring(0,(str_url.length -1));
				//alert(str_url);
				window.location = str_url;
			}
		}
	}
	
	function Checkbox_CheckAll_Name(form, numCheck, stringID ){	
		for (var i=1;i<=numCheck;i++)
		{
			var e = form.elements[stringID+i];		
			e.checked = true;
		}	
	}	
	
	function Checkbox_UnCheckAll_Name(form, numCheck, stringID ){	
		for (var i=1;i<=numCheck;i++)
		{
			var e = form.elements[stringID+i];		
			e.checked = false;
		}	
	}
	
	function Checkbox_Delete_Name(form, numCheck, stringID)
	{
		var testitem = false;
		for (var i=1;i<=numCheck;i++)
		{
			var e = form.elements[stringID+i];
			if (e.checked==true)
				testitem = true;
		}
		if(testitem)
		{
			if(confirm("Bạn có chắc là muốn xóa các phần tử đã chọn không?"))
			{
				document.detail.action.value = "delete"+ stringID;
				//alert(document.detail.action.value);
				form.submit();
			}
		}
	}	
	
	
//Display/hide content	
function displayMenuContent(id) {

    // close previous div
   
    
    // active current div
   
        if (id.style.display == "none") {
            
            // close div
            id.style.display = "";

        } else {
           
            // open div
            id.style.display = "none";
            
        }    
}

function Show_Stuff(Click_Menu)
// Function that will swap the display/no display for
// all content within span tags
{
if (Click_Menu.style.display == "none")
{
Click_Menu.style.display = "";
}
else
{
Click_Menu.style.display = "none";
}
}