// JavaScript Document
var itemOn='';
var editOn='';
function EditOn(editLayer, itemLayer)
{
	if (editOn!='')
		EditOff(editOn,itemOn);
	
	hideLayer(itemLayer);
	showLayer(editLayer);
	
	itemOn=itemLayer;
	editOn=editLayer;
}
function EditOff(editLayer, itemLayer)
{
	hideLayer(editLayer);
	showLayer(itemLayer);
}
function showLayer(layerName) 
{
	document.getElementById(layerName).style.visibility="visible";
	document.getElementById(layerName).style.display="";
}
function hideLayer(layerName)
{
	document.getElementById(layerName).style.visibility="hidden";
	document.getElementById(layerName).style.display="none";
}
function AutoFill(layerName){
	var layer = document.getElementById(layerName);
	if(!layer) return;
	if (layer.value=="")
	{
		layer.value=auto_value;
		layer.style.color='#666666';
	}else if(layer.value==auto_value){
		layer.value="";
		layer.style.color='black';
	}
}
function LoadImage(layerName)
{
//	img_path = document.getElementById('img_path_'+layerName).value;
//	if (img_path!="")
//	{
//		document.getElementById('img_'+layerName).innerHTML ="<img src='"+img_path+"' border='0' width='75' height='75'>";
//	}
//	else
//	{
//		document.getElementById('img_'+layerName).innerHTML ="<img src='../images/product_img/thumb_noimage.jpg' border=\"0\">";
//	}
}
function LoadImage(layerName, imgWidth, imgHeight)
{
	img_path = document.getElementById('img_path_'+layerName).value;
	if (img_path!="")
	{
		document.getElementById('img_'+layerName).innerHTML ="<img src='"+img_path+"' border='0' width='"+imgWidth+"' height='"+imgHeight+"'>";
	}
	else
	{
		document.getElementById('img_'+layerName).innerHTML ="<img src='../images/product_img/thumb_noimage.jpg' border=\"0\">";
	}
}
function valid(id)
{
	ele = getEle(id);
	if (ele.value == "")
	{
		alert("Bạn chưa nhập " + getEle('lbl_'+id).textContent);
		ele.style.backgroundColor = "#FFFF99";
		ele.focus();
		return false;
	}
	ele.style.backgroundColor = '';
	return true;		
}
function getEle(id)
{
	return document.getElementById(id);
}

function validEmail(id)
{
	var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	ele = getEle(id);
	str = ele.value;
	if(str.match(emailRegEx)) 
	{
		return true;
		ele.style.backgroundColor = '';
	}
	alert(getEle('lbl_'+id).textContent +' không hợp lệ, xin quý khách vui lòng kiểm tra lại');
	ele.style.backgroundColor = "#FFFF99";
	ele.focus();
	return false;
}


/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 7;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}
function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function ValidatePhone(id){
	var ele=getEle(id);
	
	if (!checkInternationalPhone(ele.value)){
		alert("Số điện thoại không đủ 7 chữ số hoặc không hợp lệ, xin quý khách vui lòng kiểm tra lại")
		ele.style.backgroundColor = "#FFFF99";
		ele.focus()
		return false
	}
	ele.style.backgroundColor = '';
	return true
 }
//End of phone validation////////////