function alertMessage(){
	alert('Ошибка в заполнении формы!');
	return false;
}

function checkEmail(obj){
    var str=obj.value;
    if(str=='') return true;
    if (/^([\w-~_]+\.)*[\w-~_]+@([\w-_]+\.){1,3}\w{2,4}$/.test(str))	return true;
    alertMessage();
	obj.focus();
	return false;
}

function isFilled(obj){
    var str=obj.value;
	if(str!='') return true;
    alertMessage();
	obj.focus();
	return false;
}

function isEqual(obj1,obj2){
    var str1=obj1.value;
    var str2=obj2.value;
    alert('Необходимо правильно повторить пароль!\nПароль должен содержать не менее 4 символов.');
	obj1.focus();
	return false;
}

function isFilledAndEqual(obj1,obj2){
    var str1=obj1.value;
    var str2=obj2.value;
	if(str1!='' && str1==str2 && str1.length >= 4) return true;
    alert('Необходимо правильно повторить пароль!\nПароль должен содержать не менее 4 символов.');
	obj1.focus();
	return false;
}

function zoomCT(file){
        var p=window.open('/zoomCT.php?id='+file,'preview_window',"width=10,height=10,top=0,left=0,location=0,toolbar=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,fullscreen=0");
        if(p)p.focus();
	return false;
}

function ch_sz(tobj,num){
        var obj=document.getElementById("IS_"+num);
        var st=tobj.value;
        obj.innerHTML=st.split('_')[1];
	return true;
}

function mm(url){
    var img=new Image;
    img.src=url;
    return img;
}

var imgBkYes=mm('/i/note_yes.gif');
var imgBkNo=mm('/i/note_no.gif');

function doBk(iid,quantity,price) {
   var obj,img;
   if(document.all) { obj= document.all['my_note_i'];}
   else {obj=document.getElementById('my_note_i');}
    if(!isInBk(iid)) {
        addToBk(iid+'_'+quantity);
         var noteBK=document.getElementById("noteBK");
         var count=parseInt(cookieVal("noteCount"))+1;
		 noteBK.innerHTML=count;
         document.cookie ="noteCount="+count+"; path=/";
         var sumBK=document.getElementById("sumBK");
         var sum=parseFloat(sumBK.innerHTML)+parseFloat(price);
         sum=sum.toFixed(2);
         sumBK.innerHTML=sum;
         document.cookie ="totalSum="+sum+"; path=/";
         img=imgBkYes;
    } else img=imgBkNo;
    /*
    if (img && img.complete) {
        obj.src=img.src;
        showBk(iid,section);
    }
    */
return false;
}

function showBk(iid,section){
 var obj=document.getElementById("my_note");
 var obj1=document.getElementById("ti_"+iid+"_"+section);
 var ox,oy;
 for(ox=oy=0;obj1;obj1=obj1.offsetParent)ox+=obj1.offsetLeft, oy+=obj1.offsetTop;
 obj.style.top=oy-26; obj.style.left=ox;
 //alert(ox);
 obj.style.display='block';
return false;
}

function dropBk(){
 var obj=document.getElementById("my_note");
 obj.style.display='none';
}

function cookieVal(cookieName) {
    thisCookie = document.cookie.split("; ")
        for (i = 0; i < thisCookie.length; i++) {
            if (cookieName == thisCookie[i].split("=")[0]) {
                return thisCookie[i].split("=")[1];
            }
        }
    return 0;
}


function isInBk(posNum){
    var p_cookie=document.cookie;
    var cookie;
    cookie=unescape(p_cookie.substr(p_cookie.indexOf('book=')+5,p_cookie.indexOf('-NSB')-p_cookie.indexOf('book=')-4));
    return cookie.indexOf('-'+posNum+'_')==-1?false:true;
}

function addToBk(code){
    var p_cookie=document.cookie;
    var cookie;
    cookie=unescape(p_cookie.substr(p_cookie.indexOf('book=')+5,p_cookie.indexOf('-NSB')-p_cookie.indexOf('book=')-5));
    p_cookie='book='+escape(cookie+'-'+code)+'-NSB; path=/';
    document.cookie=p_cookie;
}

function comp(path){window.location='&amp;'+path; return false;}


var ldr=null;

function add(sel,v,n){
var newOpt=sel.appendChild(document.createElement('option'));
newOpt.text=n;
newOpt.value=v;
}

var divname=null;
var div=null;

function chan(f,name,qw,parm)
{
 if(ldr&&ldr.readyState!=0) { ldr.abort() }
 ldr=selector();
 if(ldr)
 {
 	name.length = 0;
 	var now = new Date();
// 	alert("/selector.php?q="+parm+"&sel="+qw);
 	ldr.open("GET","/selector.php?q="+parm+"&sel="+qw+"&t="+now.getSeconds(),true);
	ldr.onreadystatechange=function()
	{
	if(ldr.readyState==4 && ldr.responseText)
		{
			eval(ldr.responseText);
		}
	};
	ldr.send(null);
	// D.S. added:
	name.disabled=false;
 }
}


function selector()
{
	var A=null;
	try{A=new ActiveXObject("Msxml2.XMLHTTP")}
	catch(e){try{A=new ActiveXObject("Microsoft.XMLHTTP")}
	catch(oc){A=null}}
	if(!A&&typeof XMLHttpRequest!="undefined") {A=new XMLHttpRequest()}
	return A
}

function HTMLchan(name,qw)
{
 divname=name;
 div=document.getElementById(name);
 document.getElementById(name).innerHTML="<div style='position:absolute; color:red; font-size:13px; font-weight:bold; padding-left: 70px; padding-top:1px;'>�?дет загрузка...</div>"+document.getElementById(name).innerHTML;
 if(ldr&&ldr.readyState!=0) { ldr.abort() }
 ldr=selector();
 if(ldr)
 {
 	name.length = 0;
 	var now = new Date();
 	ldr.open("GET","/attr.php?sel="+qw+"&t="+now.getSeconds(),true);

	ldr.onreadystatechange=function()
	{
	if(ldr.readyState==4 && ldr.responseText)
		{
			var txt1=ldr.responseText;
			div.innerHTML=txt1;
		}
	};
	ldr.send(null)
 }
 return false;
}

function hide(id)
{
	document.getElementById(id).className='invisible';
	return false;
}

function show(id)
{
	document.getElementById(id).className='visible';
	return false;
}

function changeAppearance(id)
{
	document.getElementById('vis'+id).className="invisible";
	document.getElementById('invis'+id).className="visible";
}

function chooseBlock(blockName,id)
{
	for(i=0;i<5;i++)
	{
		if(i==id) document.getElementById(blockName+i).className='visible';
		else document.getElementById(blockName+i).className='invisible';
	}
	return false;
}

function increment(objName)
{
	obj=document.getElementById(objName);
	obj.value++;
	return false;
}

function decrement(objName)
{
	obj=document.getElementById(objName);
	var number=obj.value;
	number--;
	if(number<0) number=0;
	obj.value=number;
	return false;
}

function zoom(fileName){
	var p=window.open('/zoom.php?src='+fileName,'preview_window',"width=10,height=10,top=50,left=50,location=0,toolbar=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,fullscreen=0");
	if(p)p.focus();
	return false;
}

function changeAppearance(toSwitchOff, toSwitchOn)
{
	document.getElementById(toSwitchOff).style.display='none';
	document.getElementById(toSwitchOn).style.display='inline';
}