// start of swap image
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
// end of swap image


// ajax
// start of load page body 
var reload_area;
var reload_url;
var reload_tab_status = false;
function sajax( call_area, url, form_id )
{

	reload_url = url;
	reload_area = call_area;
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
	  alert ("Your browser does not support AJAX!");
	  return;
	}
	else
	{
	 
		if(form_id){
			
			post_param = 'ajax=1&'+get_param(form_id);
			if(form_id == 'add_cart'){
				reload_tab_status = true;
			}
		}else{
			post_param = 'ajax=1';
		}
		
 
		
		xmlHttp.onreadystatechange=return_content;
		xmlHttp.open("POST",url,true);
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", post_param.length);
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.send(post_param);
	}
}

function return_content()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 	
		//window.location.hash = reload_url;
		var reload_content = xmlHttp.responseText;	
		
		document.getElementById(reload_area).innerHTML = reload_content;			
		
		if(reload_tab_status){
			reload_tab();
			reload_tab_status = false;
		}
	}
}

function get_param(form_id)
{

	var elem_name = '';
	var elem_value = '';
	var param = '';
	
	var elem = document.getElementById(form_id).elements;
	// alert(elem);

	
	for (i=0; i < document.getElementById(form_id).elements.length; i++)
	{
		var vail = true;
		
		if(elem[i].type =='checkbox'){ // || elem[i].type =='radio' || elem[i].type =='select'
			if(elem[i].checked != true){			
				vail = false;
			}
		} 
 
		if(vail){
			if(i > 0) { param += '&'; } 
			elem_name = elem[i].name;
			elem_value = elem[i].value;
			param += elem_name+'='+elem_value;			
		}
	}
	return param;
}


function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

// end of load page body 

// start of trim
function ltrim(instr){
return instr.replace(/^[\s]*/gi,"");
}

function rtrim(instr){
return instr.replace(/[\s]*$/gi,"");
}

function trim(instr){
instr = ltrim(instr);
instr = rtrim(instr);
return instr;
} 
// end of trim

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=NO,scrollbars=yes,location=NO,statusbar=NO,menubar=NO,resizable=NO,scrolling=no,width=800,height=605,left=0,top=0');");
}

function subscription(){	
	email = document.sub_nwsletter.emailaddr.value;	
	AtPos = email.indexOf("@");	
	StopPos = email.lastIndexOf(".");
	news_err = '0';	

	if(email == ''){
		alert('Invalid Email address');
		news_err = '1';
	}else if(AtPos == -1 || StopPos == -1) {
		alert("Invalid Email address");
		news_err = '1';
	}else if (StopPos < AtPos) {
		alert("Invalid Email address");
		news_err = '1';
	}else if (StopPos - AtPos == 1) {
		alert("Invalid Email address");
		news_err = '1';
	} 
	
	if(news_err == '0'){
		document.sub_nwsletter.action="/newsletter_sub";
		document.sub_nwsletter.method="post";
		document.sub_nwsletter.submit();
	}
}

function load_image(imageName,imageFile)
{
      document.images[imageName].src = imageFile;
 
}

function search(){
	var search_val = document.form_search.keyword.value;
	document.form_search.action = '/search';
	document.form_search.method = 'GET';
	document.form_search.submit();
}

function on_enter(e, callback) {
		var ENTER_KEY = 13;
		var code = "";
  
		if (window.event) // IE
		{
			code = e.keyCode;
		}
		else if (e.which) // Netscape/Firefox/Opera
		{
			code = e.which;
		}
		
		if (code == ENTER_KEY) {
			eval(callback);
			return false;
		}
 }