/************************************************************************************************************
Ajax dynamic content
Copyright (C) 2006  DTHMLGoodies.com, Alf Magne Kalleland

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.

Alf Magne Kalleland, 2006
Owner of DHTMLgoodies.com


************************************************************************************************************/

var enableCache = false;
var jsCache = new Array();

var dynamicContent_ajaxObjects = new Array();

function ajax_showContent(divId,ajaxIndex,url)
{
	var targetObj = document.getElementById(divId);
	targetObj.innerHTML = dynamicContent_ajaxObjects[ajaxIndex].response;
	
	init_selects(document.getElementById(divId));

	if(enableCache){
		jsCache[url] = 	dynamicContent_ajaxObjects[ajaxIndex].response;
	}
	dynamicContent_ajaxObjects[ajaxIndex] = false;

	ajax_parseJs(targetObj)
}

function ajax_loadContent(divId,url)
{
	if(enableCache && jsCache[url]){
		document.getElementById(divId).innerHTML = jsCache[url];
		init_selects(document.getElementById(divId));
		return;
	}

	var ajaxIndex = dynamicContent_ajaxObjects.length;
	document.getElementById(divId).innerHTML = 'Пожалуйста подождите.';
	dynamicContent_ajaxObjects[ajaxIndex] = new sack();
	dynamicContent_ajaxObjects[ajaxIndex].requestFile = url;	// Specifying which file to get
	dynamicContent_ajaxObjects[ajaxIndex].onCompletion = function(){ ajax_showContent(divId,ajaxIndex,url); };	// Specify function that will be executed after file has been found
	dynamicContent_ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function


}

function ajax_parseJs(obj)
{
	var scriptTags = obj.getElementsByTagName('SCRIPT');
	var string = '';
	var jsCode = '';
	for(var no=0;no<scriptTags.length;no++){
		if(scriptTags[no].src){
	        var head = document.getElementsByTagName("head")[0];
	        var scriptObj = document.createElement("script");

	        scriptObj.setAttribute("type", "text/javascript");
	        scriptObj.setAttribute("src", scriptTags[no].src);
		}else{
			if(navigator.userAgent.indexOf('Opera')>=0){
				jsCode = jsCode + scriptTags[no].text + '\n';
			}
			else
				jsCode = jsCode + scriptTags[no].innerHTML;
		}

	}

	if(jsCode)ajax_installScript(jsCode);
}


function ajax_installScript(script)
{
    if (!script)
        return;
    if (window.execScript){
    	window.execScript(script)
    }else if(window.jQuery && jQuery.browser.safari){ // safari detection in jQuery
        window.setTimeout(script,0);
    }else{
        window.setTimeout( script, 0 );
    }
}

function get_form_data(form)
{
  var inputArray = new Array();
  var inputArray = form.elements;

  var inputValue = new Array();

  for(var i=0; i<inputArray.length;i++)
  {
    if (((inputArray[i].type != 'checkbox') && (inputArray[i].type != 'radio')) || (inputArray[i].checked))
    {
        inputValue.push(encodeURIComponent(inputArray[i].name)+'='+encodeURIComponent(inputArray[i].value));
    }
  }

  var query = inputValue.join("&");

  return query;
}

function show_calc_result(link, div_id)
{
	div = document.getElementById(div_id);
	if (!div) return false;
	div.innerHTML = '';

	form = document.getElementById('calcform');
	query = get_form_data(form);

	if (show_calc_result.arguments.length > 2)
	{
		for (var i = 2; i < show_calc_result.arguments.length; i++)
		{
			if (form[show_calc_result.arguments[i]])
			{
				if (!form[show_calc_result.arguments[i]].value) return;
			}
		}
	}

	if (query)
	{
		link += '&'+query;
	}

	ajax_loadContent(div_id, link);
}