var personalization = false;
var inven_qty;

function format_amount(num)
{
   num = num.toString().replace(/\$|\,/g,'');
   if (num == '') return '';
   if (isNaN(num)) num = "0";
   sign = (num == (num = Math.abs(num)));
   num = Math.floor(num*100+0.50000000001);
   cents = num%100;
   num = Math.floor(num/100).toString();
   if (cents < 10) cents = "0" + cents;
   for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
      num = num.substring(0,num.length-(4*i+3))+','+
            num.substring(num.length-(4*i+3));
   return (((sign)?'':'-') + num + '.' + cents);
}

function parse_amount(num)
{
   num = num.toString().replace(/\$|\,/g,'');
   if (isNaN(num)) return 0;
   var float_num = parseFloat(num);
   if (isNaN(float_num)) return 0;
   return float_num;
}

function display_login(login_status)
{
	
            var ni = document.getElementById('loginBox');
            var newanchor = document.createElement('a');

          if (login_status)
          {
             newanchor.setAttribute("href","cart/my-account.php?Logout=Go&ContinueURL=/index.html");
             newanchor.setAttribute("title","Logout");
             newanchor.setAttribute("style","color:#ffffff;");
             newanchor.appendChild(document.createTextNode("Logout"));
          }
          else 
          {
             newanchor.setAttribute("href","cart/my-account.php?ContinueURL=/index.html");
             newanchor.setAttribute("title","Login");
             newanchor.setAttribute("style","color:#ffffff;");
             newanchor.appendChild(document.createTextNode("Login"));
          }
          ni.appendChild(newanchor);
}

function display_inventory(id)
{
    var attr_index = 0;
    var attr_compare = '';
    var attribute_field = document.DisplayProduct['attr_0_'+id];
    while (attribute_field) {
       var attribute_value = attribute_field.options[attribute_field.selectedIndex].value;
       if (attr_compare != '') attr_compare += '-';
       attr_compare += attribute_value;
       attr_index++;
       attribute_field = document.DisplayProduct['attr_'+attr_index+'_'+id];
    }
    var price_cell = document.getElementById('price_'+id);
    var avail_cell = document.getElementById('avail_'+id);

    var inventory_array = inventory_data[id];
    var price_value = '';   var avail_value = '';
    var lowest_price = 0;
    for (var index in inventory_array) {
       var price = inventory_array[index][6];
       if ((price_value == '') && (attr_compare != '') &&
           (inventory_array[index][3].substring(0,attr_compare.length) == attr_compare)) {
          price_value = '$' + price;
       }
       if (inventory_array[index][3] == attr_compare) {
          price_value = '$' + price;
          var qty = parseInt(inventory_array[index][5],10);
          if (qty <= 0) avail_value = 'Back Order';
          else avail_value = 'In Stock';
          break;
       }
       if (lowest_price == 0) lowest_price = price;
       else if (price < lowest_price) lowest_price = price;
    }
    if (price_value == '') {
       if (lowest_price == 0) price_value = 'n/a';
       else price_value = '$' + lowest_price + ' +';
    }
    price_cell.innerHTML = price_value;   avail_cell.innerHTML = avail_value;
    if (personalization) update_per_price();
}

function close_enlarge()
{
   var enlarge_div = document.getElementById('enlarge_div');
   enlarge_div.style.display = 'none';
   enlarge_div.innerHTML = '';
}

var current_image = null;

function enlarge_image(filename,width,height)
{
   if (current_image != null) filename = current_image;
   if (document.documentElement && document.documentElement.scrollWidth)
      var body_width = document.documentElement.scrollWidth;
   else if (document.body) var body_width = document.body.scrollWidth;
   else var body_width = -1;
   if (document.documentElement && document.documentElement.clientHeight)
      var client_height = document.documentElement.clientHeight;
   else if (document.body) var client_height = document.body.clientHeight;
   else var client_height = -1;
   var divX = (body_width - width) / 2;
   var divY = (client_height - height) / 2;
   var html = "<div><img src='images/large/" + filename + "' class='enlarge_image'>";
   html += "</div><div class='enlarge_footer'><table cellpading='0' cellspacing='0' width ='100' align='center'><tr><td><a href=\"\" onclick=\"close_enlarge();";
   html += " return false;\" ><img src=\"cartimages/close.gif\" alt=\"Close Window\" border='0' /></a></td><td><a href=\"\" style='color:#000' onclick=\"close_enlarge();";
   html += " return false;\" >Click to Close</a></td></tr></table></div>";
   var enlarge_div = document.getElementById('enlarge_div');
   enlarge_div.innerHTML = html;
   enlarge_div.style.width = width+"px";
   enlarge_div.style.height = height+"px";
   enlarge_div.style.left = divX+"px";
   enlarge_div.style.top = 250+"px";
   enlarge_div.style.display = '';
   enlarge_div.style.zIndex = '50';
}

function switch_image(filename)
{
   var product_image = document.getElementById('product_image');
   product_image.src = "images/medium/" + filename;
   current_image = filename;
}

function check_attributes(id)
{
    var attr_index = 0;
    var field_name = 'attr_0';
    if (id) field_name += '_'+id;
    var attribute_field = document.DisplayProduct[field_name];
    while (attribute_field) {
       var attribute_value = attribute_field.options[attribute_field.selectedIndex].value;
       if (attribute_value == '') {
          var label_field_name = 'label_'+attr_index;
          if (id) label_field_name += '_'+id;
          var label_field = document.getElementById(label_field_name);
          if (! label_field) label_field = document.getElementById('label_'+attr_index);
          if (! label_field)
             var label = attribute_field.options[attribute_field.selectedIndex].text;
          else var label = label_field.innerHTML;
          alert('You must select a '+label);   attribute_field.focus();   return false;
       }
       attr_index++;
       field_name = 'attr_'+attr_index;
       if (id) field_name += '_'+id;
       attribute_field = document.DisplayProduct[field_name];
    }
    return true;
}

function display_price(attr_id)
{
    var id = document.DisplayProduct.id.value;
	var attr_list = attribute_data[id];
    var attr_compare = '';
    var currency = 'USD';
    var index = 0;
	var num_attr = 0;
	var attr_count = 0;
	
	for(attr_list_id in attribute_data[id])
	{
    //while (true) {      
	  if(attribute_data[id][attr_list_id][5] == '1')
	  {
         var field_name = 'attr_' + index;
         if (typeof(document.DisplayProduct[field_name]) == "undefined") break;
         var field = document.DisplayProduct[field_name];
         if (typeof(field.options == "undefined")) var field_value = field.value;
         else field_value = field.options[field.selectedIndex].value;

		 if (attr_compare != "") attr_compare += "-";
           attr_compare += field_value;
		 
		 attr_count++;
	  }
       /*if (index > 0) attr_compare += "-";
       attr_compare += field_value;
       if (typeof(attr_images) != "undefined") {
          var attribute_image = document.getElementById('attribute_image');
          if (typeof(attr_images[field_value]) != "undefined")
             attribute_image.src = 'attrimages/medium/' + attr_images[field_value];
          else attribute_image.src = 'cartengine/images/blank.gif';
       }*/
       index++;
    }
    var list_price_cell = document.getElementById('list_price');
    var price_cell = document.getElementById('price');
    var sale_price_cell = document.getElementById('sale_price');
    var out_of_stock_cell = document.getElementById('out_of_stock');
    var inventory_array = inventory_data[id];
    var lowest_price = 0;
	
    for (var index in inventory_array) {
	   if(inventory_array[index][3] == '') num_attr = 0;
	   else
	   {
		   attr_arr = inventory_array[index][3].split('-');
		   num_attr = attr_arr.length;
	   }
		  // alert("inventory: "+num_attr+" compare: " + attr_count);
       var inventory_qty = inventory_array[index][5];
       var list_price = inventory_array[index][array_index(inventory_fields,'list_price')];
       var price = inventory_array[index][array_index(inventory_fields,'price')];
       var sale_price = inventory_array[index][array_index(inventory_fields,'sale_price')];
	   if(num_attr != attr_count) continue;
       if (inventory_array[index][3] == attr_compare)
	   {
          if (price == '') price_cell.innerHTML = '$0.00';
          else price_cell.innerHTML = '$'+price;
          if (list_price != '') list_price_cell.innerHTML = '$'+list_price;
          if (sale_price != '') sale_price_cell.innerHTML = '$'+sale_price;
          if (inventory_qty > 0 || inventory_qty == "")
		  {
			  out_of_stock_cell.innerHTML = '&nbsp;';
			  if(document.getElementById('AddToCart'))
			  {
				  if(document.getElementById('AddToCart').disabled == true)
				  {
				     document.getElementById('AddToCart').disabled = false;
				     document.getElementById('AddToCart').src = 'cartimages/add-to-cart.gif';
				  }
			  }
		  }
          else
		  {
			  out_of_stock_cell.innerHTML = 'OUT OF STOCK';
			  if(document.getElementById('AddToCart'))
			  {
				  var backorder = confirm("Your current selection is out of stock. Would you like to backorder it?");
				  if(!backorder)
				  {
				     document.getElementById('AddToCart').disabled = true;
				     document.getElementById('AddToCart').src = 'cartimages/add-to-cart-disabled.gif';
				  }
				  else
				  {
				     document.getElementById('AddToCart').disabled = false;
				     document.getElementById('AddToCart').src = 'cartimages/add-to-cart.gif';
				  }
			  }
		  }
          if (personalization) {
             update_per_price();   change_per_attribute(attr_id);
          }
          return;
       }
	   if(num_attr > 0)
       if (lowest_price == 0) lowest_price = price;
       else if (price < lowest_price) lowest_price = price;
    }
    if (lowest_price == 0) price_cell.innerHTML = 'n/a';
    else
	{ 
		list_price_cell.innerHTML = '$'+list_price+"+";
		price_cell.innerHTML = '$'+lowest_price+"+";
		sale_price_cell.innerHTML = '$'+sale_price+"+";
	}
	
    if (personalization) {
       update_per_price();   change_per_attribute(attr_id);
    }
}

function validate_form()
{
    var form = document.DisplayProduct;
	//parse_text_attribute(form);
    if (form.ids && (form.ids.value != '')) {
       var ids = form.ids.value;
       var id_array = ids.split(",");
       var qty_found = false;
       for (var index in id_array) {
          var id = id_array[index];
          var field_name = 'qty_' + id;
          var qty = form[field_name].value;
          if (qty == '') continue;
          if (isNaN(qty)) {
             form[field_name].value = '';   continue;
          }
          qty = parseInt(qty,10);
          if (isNaN(qty)) {
             form[field_name].value = '';   continue;
          }
          if (qty != 0) {
             qty_found = true;
             if (! check_attributes(id)) return false;
          }
       }
       if (! qty_found) {
          alert('You must supply at least one quantity before adding to cart.');
          return false;
       }
    }
    else if (form.id) {
       var qty = form['qty'].value;
       if (qty == '') qty = 0;
       if (isNaN(qty)) qty = 0;
       qty = parseInt(qty,10);
       if (isNaN(qty)) qty = 0;
       if (qty == 0) {
          alert('You must specify a quantity before adding to cart.');
          form['qty'].focus();   return false;
       }
	   if (form['inve'].value < qty && form['inve'].value > 0)
	   {
		   alert("You have ordered more than we have in stock. Please lower the amount that your are ordering.");
		   
		   return false;
	   }
	   else if (form['inve'].value <= 0)
	   {
		   alert("We're sorry this item is out of stock.");
		   return false;
	   }
       if (! check_attributes(null)) return false;
    }
    if (personalization && (! validate_personalization())) return false;
    return true;
}


function onlyint(e,field)
{
	if (window.event) keynum = e.keyCode;
	else if (e.which) keynum = e.which;
	
	if(keynum == "0x0b") return true;//allow tabs
	if (keynum == "0x08") return true;
	if (keynum == "0x09") return true;
  	if (keynum == "0x20") return true;
	if (keynum == "0x2d" && field == 'phone') return true;
	if (keynum == "0x2E" && field == 'currency') return true;
	if (keynum == "0x2F" && field == 'date') return true;
	if ((keynum >= "0x30") && (keynum <="0x39")) return true;
	return false;
}

function gift_wrapping(field)
{
	if(field.value == 2)
	{	
		document.DisplayProduct.attr_1[0].disabled = true;
		document.DisplayProduct.attr_1[1].disabled = true;
		document.DisplayProduct.attr_2[0].disabled = true;
		document.DisplayProduct.attr_2[1].disabled = true;
		
		document.getElementById('textFieldAttr').style.backgroundColor = "#eeeeee";
		document.getElementById('textFieldAttr').style.backgroundImage= "url(images/backgrounds/shadow.gif)";
		document.getElementById('textFieldAttr').style.borderTop = "1px solid #CCCCCC";
		document.getElementById('textFieldAttr').style.borderBottom = "1px solid #efefef";
		document.getElementById('textFieldAttr').style.borderLeft = "1px solid #efefef";
		document.getElementById('textFieldAttr').style.borderRight = "1px solid #efefef";
		document.getElementById('textFieldAttr').disabled = true;
	}
	else
	{	
		document.DisplayProduct.attr_1[0].disabled = false;
		document.DisplayProduct.attr_1[1].disabled = false;
		document.DisplayProduct.attr_2[0].disabled = false;
		document.DisplayProduct.attr_2[1].disabled = false;
		document.getElementById('textFieldAttr').style.backgroundColor = "#ffffff";
		document.getElementById('textFieldAttr').style.backgroundImage= "url(images/backgrounds/shadow.gif)";
		document.getElementById('textFieldAttr').style.borderTop = "1px solid #CCCCCC";
		document.getElementById('textFieldAttr').style.borderBottom = "1px solid #efefef";
		document.getElementById('textFieldAttr').style.borderLeft = "1px solid #efefef";
		document.getElementById('textFieldAttr').style.borderRight = "1px solid #efefef";
		document.getElementById('textFieldAttr').disabled = false;
	}
	//gw.invoke('disable');
}

function activate_textarea(field,id)
{
    $(field).value = "*"+id+"*";
}

function parse_text_attribute(form)
{
	var textInput = document.getElementById('textFieldAttr');
	
	if(form['fname'])
	{
		textInput.value = form['fname'].value+"|"+form['lname'].value+"|"+form['phone'].value+"|"+form['address'].value+"|"+form['city'].value+"|"+form['state'].value+"|"+form['zip'].value;
	}
}