/**	
*	@ author	Kheygetyan Ivan
*	@ date		19-07-2007 10:56 AM
*	@ version	1.0.0
**/

/*
var xmlHttp = createXmlHttpRequestObject();
function createXmlHttpRequestObject() {
	var xmlHttp;
	try {
		xmlHttp = new XMLHttpRequest();
	}
	catch(e) {
    	var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0","MSXML2.XMLHTTP.5.0","MSXML2.XMLHTTP.4.0","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP","Microsoft.XMLHTTP");
		for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) {
		try { 
			xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
		} 
		catch (e) {}
	}
}
if (!xmlHttp)
	alert("Error creating the XMLHttpRequest object.");
else 
    return xmlHttp;
}
*/


var xmlHttp=false;
if (!xmlHttp && typeof XMLHttpRequest!='undefined') {
 	try {
 		 xmlHttp = new XMLHttpRequest();
 	} catch (e) {
 		 xmlHttp=false;
 	}
}
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
if (!xmlHttp){
 try {
  xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");  } catch (e) {
  try {
   xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   xmlHttp = false;
  }
 }
}
@end @*/
if (!xmlHttp && window.createRequest) {
	try {
		xmlHttp = window.createRequest();
	} catch (e) {
		xmlHttp=false;
	}
}

var unicum = Math.random();
var please_wait = "<table style=\"margin-top:20px\" width=\"100%\" cellpadding=\"0\" cellspacing=\"0\"><tr><td height=\"20\" colspan=\"2\">&nbsp;</td></tr><tr valign=\"top\"><td width=\"10%\"><img alt=\"\" src=\"/imgs/clear.gif\" width=\"90\" height=\"1\" class=\"clear\" /></td><td><div class=\"center\"><div>Подождите, идет обработка данных</div><img alt=\"\" src=\"/imgs/loading.gif\" width=\"220\" height=\"19\" /></div></td></tr></table>";
function loading_base(url, targetId) {
	var res = getObj('box_to_results');
	if (res.style.display == "block") {res.style.display = "none";}

	if(!xmlHttp) return false;
	var e=document.getElementById(targetId);if(!e)return false;
	e.style.display = "block";
	e.style.height = "auto";
    if(please_wait)e.innerHTML = please_wait;
    xmlHttp.open("GET", url, true);
	xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	xmlHttp.setRequestHeader('Charset', 'windows-1251');
    xmlHttp.onreadystatechange = function() { response(url, e); }
    try {
		xmlHttp.send(null);
    }
	catch(l){
    while(e.firstChild)e.removeChild(e.firstChild);
    e.appendChild(document.createTextNode("request failed"));
	}
}
function response(url, e) {
	if(xmlHttp.readyState != 4)return;
	var tmp= (xmlHttp.status == 200 || xmlHttp.status == 0) ? xmlHttp.responseText : "<div class=\"wait\">ERROR<br />" + xmlHttp.status+" "+xmlHttp.statusText + "</div>"; // + location.reload()
    var d=document.createElement("div");
    d.innerHTML=tmp;
    setTimeout(function(){
      while(e.firstChild)e.removeChild(e.firstChild);
      e.appendChild(d);
    },10)
}



function get_results(obj) {
	var str = "";
	var work = "";
	for (var i=0;i<obj.length;i++) {
		if (obj[i].checked == true) {
			str += (obj[i].name + "=" + obj[i].value + "&");
		}
		if (obj[i].name == "f0") {
			work = obj[i].value;
		}
	}
	//alert('work='+ work +'&'+ str);
	results_parse('/calculator/results.html?f0='+ work +'&'+ str +'rand=' + unicum + '','box_to_results');
}



function results_parse(url, targetId) {
	if(!xmlHttp) return false;
	var e=document.getElementById(targetId);if(!e)return false;
	e.style.display = "block";
	e.style.visibility = 'visible';
	e.style.height = "auto";
    if(please_wait)e.innerHTML = please_wait;
    xmlHttp.open("GET", url, true);
	xmlHttp.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
	xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	xmlHttp.setRequestHeader('Charset', 'windows-1251');
    xmlHttp.onreadystatechange = function() { response2(url, e); }
    try {
		xmlHttp.send(null);
    }
	catch(l){
    while(e.firstChild)e.removeChild(e.firstChild);
    e.appendChild(document.createTextNode("request failed"));
	}
}
function response2(url, e) {
	if(xmlHttp.readyState != 4)return;
	var tmp= (xmlHttp.status == 200 || xmlHttp.status == 0) ? xmlHttp.responseText : "<div class=\"wait\">ERROR<br />" + xmlHttp.status+" "+xmlHttp.statusText + "</div>"; // + location.reload()
    var d=document.createElement("div");
    d.innerHTML=tmp;
    setTimeout(function(){
      while(e.firstChild)e.removeChild(e.firstChild);
      e.appendChild(d);
    },10)
}

function Round(n,d){
	return new Number(n.toFixed(d))
} 


function calculate_sum(obj, r, u, t) {
	if(!Number.prototype.toFixed){
	  Number.prototype.toFixed=function(e){
	    var y=Math.round(this*Math.pow(10,e))/Math.pow(10,e);
	    var i=e-y.toString().length+y.toString().indexOf('.')+1;
	    if(e>0){
	      if(y.toString().indexOf('.')<0)return y+'.'+Math.pow(10,e).toString().substring(1);
	      else if(i>0)return y+Math.pow(10,i).toString().substring(1);
	      else return y;
	    }
	    else return y;
	  }
	}

	var d1 = obj;
	var d2 = r;
	var d3 = u;
	var d4 = t;
	var S0 = parseFloat(getObj('s' + d1).value);
	var M0 = parseFloat(getObj('m' + d1).value);
	var box = getObj('tab_to_sum' + d1);
	var text = getObj('sum_res' + d1);
	var upacovka = getObj('sum_up' + d1);
	var w = parseFloat(d2);
	var U0 = parseFloat(d3);
	
	var S = S0.toFixed(2);
	var M = M0.toFixed(2);
	var RP = w.toFixed(2);
	var UP = U0.toFixed(2);

	if (S == "" || M == "" || isNaN(S) || isNaN(M)) {
		box.style.display = "none";
		alert('Необходимо указать правильные числовые значения полей ввода площади и толщины слоя');
	}
	else {
		var R = parseFloat(Math.round((S * M * RP)/UP));
		//var R = (S * M * RP)/UP;
		if (isNaN(R)) {
			if (box.style.display == "block") {
				box.style.display = "none";
			}
		}
		else {
			if (box.style.display == "none") {
				box.style.display = "block";
			}
			upacovka.innerHTML = d4;
			text.innerHTML = R + " шт.";
		}

	}
}


/* CALCULATOR */
marktBox = function(obj) {
	var box = obj;
	var myObjColl = getElementsByClassName(box.name);
	for (var i = 0, j = myObjColl.length; i < j; i++) {
		myObjColl[i].style.background = "transparent";
	}
	if (box.checked == true) {
		document.getElementById("tr_" + box.id).style.background = "#F7941D";
	}
}

partition = function(obj) {
	var box = document.getElementById(obj);
	var myObjColl = getElementsByClassName("partition");
	for (var i = 0, j = myObjColl.length; i < j; i++) {
		myObjColl[i].style.display = "none";
	}
	if (box.style.display == "none") {
		box.style.display = "block";
	}
}

display = function(obj, form) {
	var box = document.getElementById(obj);
	if (box.style.display == "none") {
		box.style.display = "block";
	}
	var res = getObj('box_to_results');
	if (res.style.display == "block") {
		get_results(form);
	}
}

show_calc = function(obj) {
	var box = getObj(obj);
	if (box.style.display == "block") {
		box.style.display = "none";
	}
	else {
		box.style.display = "block";
	}
}
show_calc_x = function(obj) {
	var box = getObj(obj);
	if (box.style.display == "block") {
		box.style.display = "none";
	}
}


getElementsByClassName = function(strClass, strTag, objContElm) {
	strTag = strTag || "*";
	objContElm = objContElm || document;    
	var objColl = objContElm.getElementsByTagName(strTag);
	if (!objColl.length &&  strTag == "*" &&  objContElm.all) objColl = objContElm.all;
	var arr = new Array();                              
	var delim = strClass.indexOf('|') != -1  ? '|' : ' ';   
	var arrClass = strClass.split(delim);    
	for (var i = 0, j = objColl.length; i < j; i++) {                         
	var arrObjClass = objColl[i].className.split(' ');   
    if (delim == ' ' && arrClass.length > arrObjClass.length) continue;
    var c = 0;
    comparisonLoop:
    for (var k = 0, l = arrObjClass.length; k < l; k++) {
      for (var m = 0, n = arrClass.length; m < n; m++) {
        if (arrClass[m] == arrObjClass[k]) c++;
        if ((delim == '|' && c == 1) || (delim == ' ' && c == arrClass.length)) {
          arr.push(objColl[i]); 
          break comparisonLoop;
        }
      }
    }
	}
	return arr; 
}


var nn4 = (document.layers)? true : false;
var dom = (document.getElementById)? true : false;
var ie4 = (document.all && !dom)? true : false;
/* геттер y-координаты */
objY = function(uid) {
	if (nn4) {return document.layers[uid].pageY;} else {
		var element = (dom)? document.getElementById(uid) : document.all[uid];
		var coordsY = element.offsetTop;
		while (element.offsetParent != null) {
			element = element.offsetParent;
			coordsY += element.offsetTop;
			if (element.tagName == 'BODY') break;
		} return coordsY;
	}
}
/* геттер x-координаты */
objX = function(uid) {
	if (nn4) {
		return document.layers[uid].pageX;
	} else {
		var element = (dom)? document.getElementById(uid) : document.all[uid];
		var coordsX = element.offsetLeft;
		while (element.offsetParent != null) {
			element = element.offsetParent;
			coordsX += element.offsetLeft;
			if (element.tagName == 'BODY') break;
		} return coordsX;
	}
}
/* геттер объекта */
getObj = function(uid) {
	return element = (dom) ? document.getElementById(uid) : document.all[uid];
}


function _change_info(url) {
	win = window.open(url,'','toolbar=0, location=0, directories=0, status=0, menubar=0, scrollbars=1, resizable=0, width=840, height=760');
	win.focus();
	return false;
}