function open_wnd(exp_bar,width,height,url,status_bar,scrolls) {
        winName = "_blank";
        theURL = document.getElementsByTagName("base")[0].href+url;
        page_height = (height != '')?height:600;
        page_width = (height != '')?width:500;
        toolbar = (exp_bar == 1)?'yes':'no';
		scrollbars = (scrolls == 1)?'yes':'auto';
        statusbar = (status_bar == 1)?'yes':'no';
        page_top = Math.round((screen.height-page_height)/2);
        page_left = Math.round((screen.width-page_width)/2);
        size = "width="+page_width+",height="+page_height+",top="+page_top+",left="+page_left;
        features = 'status='+statusbar+',toolbar='+toolbar+',scrollbars='+scrollbars+',resizable=yes,'+size;
        window.open(theURL,winName,features);
    }

	//
	// jQUERY kodas prasideda
	//
	$(document).ready(function() { 

		if ($("#anon_cart"))
		if ($("#anon_cart").val() == "1") { $("#btype1").trigger('click'); }
		
		//
		// rodom animacija kai vykdomas ajax
		//
	    $("#ajax_status").bind("ajaxSend", function() {
	        $("#ajax_status").addClass("ajax-loading");
	    }).bind("ajaxComplete", function(){
	        $("#ajax_status").removeClass("ajax-loading");
	    });

		
		//
		// keiciam prekes kaina pasirenkant variantus
		//
		if ($("#price_id"))
		$("#price_id").change( function () { 

			price_id = $("#price_id").val();
		    $("#price_span").html(prices[price_id]+' Lt'); 
		    $("#action_price_span").html(action_prices[price_id]+' Lt'); 
			
		    
		});
		
		//
		// idedam preke i krepseli
		//
		
		if ($("#product_form"))
	    $("#product_form").submit(function() {
		
	        var post_data = $("#product_form").serialize();
			
	        $.post("index.php?page=cart&act=insert&ajax=1", post_data, function(data){
	                $("#log").fadeIn("slow", function(){});
	                $("#log").html(data);
					$("#cart_box").load("index.php?page=cart&act=show_box&ajax=1");
	            });

	        return false;

	    });

		
		//
		// siunciam uzsakymo forma
		//
		
		if ($("#order"))
	    $("#order").submit(function() {
		
	        var post_data = $("#order").serialize();
			
	        $.post("index.php?page=cart&act=proceed&ajax=1", post_data, function(order_data){
	                if ($.trim(order_data) == "") {
						$("#log").load("./lt/mod/cart/message.htm?ajax=1&cart_sent=1");
						$("#order").fadeOut("slow");
						$("#cart_box").load("index.php?page=cart&act=show_box&ajax=1");
					} else {
						$("#log").html(order_data);
					} 

	        });

	        return false;

	    });
		
		
		
		
		
		//
		// userio registracijos forma
		//
		
		if ($("#registration"))
	    $("#registration").submit(function() {
		
	        var post_data = $("#registration").serialize();
			
	        $.post("index.php?page=users&act=check_registration&ajax=1", post_data, function(data){

	                if ($.trim(data) == "") {
					
						var is_new_reg = $("#is_new_registration").val();
						
						if (is_new_reg == 1) {
							$("#log").load("./lt/mod/users/message.htm?ajax=1&user_registration_ok=1");
						} else {
							$("#log").load("./lt/mod/users/message.htm?ajax=1&user_update_ok=1");
						}
						
						$("#registration").fadeOut("slow");
					} else {
						$("#log").html(data);
					} 

	        });

	        return false;

	    });
		
		
		
		
		//
		// bandom prijungti naudotoja
		//
		
		if ($("#login_form"))
	    $("#login_form").submit(function() {
		
	        var post_data = $("#login_form").serialize();
			
	        $.post("index.php?page=users&act=check_login&ajax=1", post_data, function(data){

	                if ($.trim(data) == "") {
					
						$("#log").html(data);
						
						$("#anonymous_box").load("index.php?page=users&act=login&ajax=1");
					
					} else {
						
						$("#log").html(data);
					}
	        
			});

	        return false;

	    });
		
		
		
		//
		// issiunciam slaptazodi
		//
		
		if ( $("#password_form"))
	    $("#password_form").submit(function() {
		
	        var post_data = $("#password_form").serialize();
			
	        $.post("./lt/mod/users/recover_password.htm?ajax=1", post_data, function(data){

	                if ($.trim(data) == "") {
					
						$("#log").load("./lt/mod/users/message.htm?ajax=1&password_sent=1");
						$("#password_form_div").fadeOut("slow");
						
					} else {
						
						$("#log").html(data);
					}
	        
			});

	        return false;

	    });
		

		if ($("#is_new_registration")) {
		
			var is_new_registration = $("#is_new_registration").val();
			if (is_new_registration != 1) hide_password_asterixes();
		
		}
		
		if ($(".buyer_type_input")) {
		
			var selected_buyer_type = $(".buyer_type_input").val();
			
			if (selected_buyer_type == 1) { show_asterixes_1(); }
			if (selected_buyer_type == 2) { show_asterixes_2(); }
	
		}
		

	
	});
	
	//
	// pasalinam preke is krepselio
	//
	function remove_cart_item(item_nr) {

		$("#cart_delete_id").val(item_nr);
		var delete_id = $("#cart_delete_id").val();
		var post_data = $("#cart_delete_form").serialize();;
		
		submit_url = "index.php?page=cart&act=remove_item";

	    $.post(submit_url, post_data, function(data){
			$("#cart_box").load("index.php?page=cart&act=show_box&ajax=1");
			$("#cart_contents").load("index.php?page=cart&ajax=1");
	    });

	}
	
	
	//
	// slepiam/rodom zvaigzdutes krepselio ir registracijos formose
	//
	
	function show_asterixes_1() {

		$("#z2").css('visibility', 'visible');
		$("#z3").css('visibility', 'visible');
	
		$("#z7").css('visibility', 'hidden');
		$("#z8").css('visibility', 'hidden');
		$("#z9").css('visibility', 'hidden');
		$("#z10").css('visibility', 'hidden');
	
	}
	
	function show_asterixes_2() {
	
		$("#z2").css('visibility', 'hidden');
		$("#z3").css('visibility', 'hidden');
		
		$("#z7").css('visibility', 'visible');
		$("#z8").css('visibility', 'visible');
		$("#z9").css('visibility', 'visible');
		$("#z10").css('visibility', 'hidden');

	}
	
	function hide_password_asterixes() {
	
		$("#zd").css('visibility', 'hidden');
		$("#zc").css('visibility', 'hidden');
		$("#zb").css('visibility', 'hidden');
	}