function trim( str, charlist ) {
    var whitespace;

    if(!charlist){
        whitespace = ' \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000';
    } else{
        whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\$1');
    }

	for (var i = 0; i < str.length; i++) {
		if (whitespace.indexOf(str.charAt(i)) === -1) {
		str = str.substring(i);
		break;
		}
	}
	for (i = str.length - 1; i >= 0; i--) {
		if (whitespace.indexOf(str.charAt(i)) === -1) {
			str = str.substring(0, i + 1);
			break;
    	}
	}
	return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
}//end trim

function strlen( string ){
    return ("" + string).length;
}// strlen

$(document).ready(function() {
    //$(document).pngFix();

   //get start cart
    $(".cart_loader").show();

    $.ajax({
    	type: "GET",
    	url: wdx_base_url+'index.php/cart/show_cart',
    	success: function(msg){
    		//alert(msg);
            $(".cart_contents").html(msg);
            $(".cart_loader").hide();
            $(".cart_contents").show();
    	}
     });
   //end get_art

   /*$.("#cart_submit").click(function(){
       $.("#cart_submit").attr("action", wdx_base_url+"cart/delete");
   });*/


 });

 function add_to_cart(p_id){
    $(".cart_contents").slideUp('slow');
    $(".cart_loader").slideDown('slow');
    $.ajax({
    	type: "POST",
    	url: wdx_base_url+'index.php/cart/add_to_cart',
    	data: "p_id="+p_id,
    	success: function(msg){
    		//alert(msg);

            $(".cart_contents").html(msg);
            $(".cart_loader").slideUp('slow');
            $(".cart_contents").slideDown('slow');
    	}
     });

     return false;
 }