if(typeof jQuery=='undefined') 
{
    var headTag = document.getElementsByTagName("head")[0];
    var jqTag = document.createElement('script');
    jqTag.type = 'text/javascript';
    jqTag.src = '//ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js';
    jqTag.onload = myJQueryCode;
    headTag.appendChild(jqTag);
} 
else 
{
	myJQueryCode();
}
function myJQueryCode() 
{
 	var myshopid = $('html').find('.xgen-description-theme').text();
	if (myshopid != '') 
 	{
   		<!-- on change -->
    	function getUrlVars()
		{
		  	var vars = [], hash;
			var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
			for(var i = 0; i < hashes.length; i++)
			{
			  	hash = hashes[i].split('=');
				vars.push(hash[0]);
				vars[hash[0]] = hash[1];
			}
			return vars;
		}

		var old_v_id = getUrlVars()["variant"];

	    $('form[action="/cart/add"], fieldset :input[type="radio"], input[type="checkbox"], select').change(function(e)
 		{ 
      		//get the value of the selected index.
      		var p_id = $(".xgen-description-theme").attr("dataid");
      		var v_id = $(".xgen-description-theme").attr("datavariant");
      		var shopname = $(".xgen-description-theme").attr("datashop");
  			$("#description").html("<p style='width: 100%; display: block; text-align: center;'><img src='https://apps.xgentech.net/variantdiscription/images/loading.gif' style='height: 20px; width: 20px;'></p>");
      		var v_id = getUrlVars()["variant"];
      		if(v_id == undefined)
			{
				v_id = $("select[name='id']").val();

			}
			if(v_id == undefined)
			{
				v_id = $("input[name='id']").val();
			}
      		if(v_id != '')
		    {
		      	if(v_id == old_v_id)
	      		{
	      			$.ajax({
			            url: 'https://apps.xgentech.net/variantdiscription/get_matafield.php',
			            type: 'POST',
			            data: {product_id: p_id, variant_id: old_v_id, defaulthost: shopname},
			            dataType: 'html',
			            beforeSend: function()
			            {
			                // Show image container
			                $("#loader").show();
			            },
			            success:function(response)
			            {
			              	$("#description").html(response);
			            },
			            complete:function(response)
			            {
			                // Hide image container
			                $("#loader").hide();
			            }
			        });
	      		}
	      		else
	      		{
	      			$.ajax({
			            url: 'https://apps.xgentech.net/variantdiscription/get_matafield.php',
			            type: 'POST',
			            data: {product_id: p_id, variant_id: v_id, defaulthost: shopname},
			            dataType: 'html',
			            beforeSend: function()
			            {
			                // Show image container
			                $("#loader").show();
			            },
			            success:function(response)
			            {
			              	$("#description").html(response);
			            },
			            complete:function(response)
			            {
			                // Hide image container
			                $("#loader").hide();
			            }
			        });
	      		}
		    }
		    else
		    {
		        var va_id = $("select[name='id']").val();
		        if(va_id == undefined)
				{
					va_id = $("input[name='id']").val();
				}
		        if(va_id == old_v_id)
	      		{
	      			$.ajax({
			            url: 'https://apps.xgentech.net/variantdiscription/get_matafield.php',
			            type: 'POST',
			            data: {product_id: p_id, variant_id: old_v_id, defaulthost: shopname},
			            dataType: 'html',
			            beforeSend: function()
			            {
			                // Show image container
			                $("#loader").show();
			            },
			            success:function(response)
			            {
			              	$("#description").html(response);
			            },
			            complete:function(response)
			            {
			                // Hide image container
			                $("#loader").hide();
			            }
			        });

	      		}
	      		else
	      		{
	      			$.ajax({
			            url: 'https://apps.xgentech.net/variantdiscription/get_matafield.php',
			            type: 'POST',
			            data: {product_id: p_id, variant_id: va_id, defaulthost: shopname},
			            dataType: 'html',
			            beforeSend: function()
			            {
			                // Show image container
			                $("#loader").show();
			            },
			            success:function(response)
			            {
			              	$("#description").html(response);
			            },
			            complete:function(response)
			            {
			                // Hide image container
			                $("#loader").hide();
			            }
			        });
	      			
	      		}
		    }	
    	});
  	}
	else
	{
 		// application is unpublished
  	}
}