// JavaScript Document
<!--
// JavaScript Document
var newVal = "Enter your search term here";
function checkQuery(form) { if( form.keywords.value == "" ) { document.getElementById("q").style.color = "red"; form.keywords.value = newVal; form.keywords.blur(); return false; } else if( form.keywords.value == newVal ) { return false; } else { return true; } }
function clearQuery(form) { document.getElementById("q").style.color = "black"; if( form.keywords.value == newVal ) { form.keywords.value = ""; } }
function doCompare() {
	var es = document.forms['compareForm'].elements;
	var n = 0;
	for (var i = 0; i < es.length; ++i) {
		var e = es[i];
		if (e.type == 'checkbox' && e.checked) { ++n; }
	}
	if (n > 0) { document.forms['compareForm'].submit();  }
	else { alert('Please select some products first.'); }
}

function popupWindow(url,winName, feature) {
  var attr = feature;
  if (attr == '') {
	  attr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,top=0,left=0,height=400';
  }
  window.open(url,winName,attr)
}

function BuyNow(url,winName) {
  window.open(url, '_self');
}

function checkValue() {
    if (document.quick_find.keywords.value == "") {
	  alert ("Please input search words");
 	  return false;
	 }
	return true;
  }

function checkEmailValue() {
    if (document.tell_a_friend.to_email_address.value == "") {
	  alert ("Please input email address");
 	  return false;
	 }
	return true;
  }
  
function checkemail() {
	if (document.email_friend.from_address.value == "") {
	  alert ("Please input your email");
	  return false;
	}
	if (document.email_friend.to_address.value == "") {
	  alert ("Please input receiver's email");
	  return false;
	}
	if (document.email_friend.content.value == "") {
	  alert ("Please input content");
	  return false;
	}
	return true;
  }

function goPage(modelList, type) {
  var new_page = modelList.options[modelList.selectedIndex].value;
  var href = '';
	var name = '';
	var keyword = '';
	if (type == 'm') {
		name = 'models.php';
		keyword = 'batterymodels';
 	} else if (type == 'b')
 	{
       name = 'brands.php';
	   keyword = 'batterybrands';
 	} else {
	 	  name = 'products.php';
			keyword = 'batteryproducts';
	}		
  if (new_page != -1) {
    href = "/" + name + "/" +keyword + "/" + new_page + ".html";
	window.location.href = href;
  }	
}

function simplePreload()
{ 
  var args = simplePreload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++)
  {
    document.imageArray[i] = new Image;
    document.imageArray[i].src = args[i];
  }
}

function change_option(number,index){
  for (var i = 1; i <= number; i++) {
    document.getElementById('taboption' + i).className = 'none';
    document.getElementById('second' + i).style.display = 'none';
  }
  document.getElementById('taboption' + index).className = 'active';
  document.getElementById('second' + index).style.display = 'block';
}

function jumpTo(pagename) {
	if (pagename.options[pagename.selectedIndex].value != -1) {
		location.href=pagename.options[pagename.selectedIndex].value;
	}
	else {
		alert('Please make a selection ...');
	}
	return true;
}

function showshippingfee() {
  var shiping = document.getElementById('shippingtable');
  if (shiping.style.display == 'none') {
	  shiping.style.display = 'block';
  } else {
      shiping.style.display = 'none';  
  }
}
//-->