var slideshow2_noFading = false;	// Just normal show/hide without fading ?
var slideshow2_timeBetweenSlides = 1500;	// Amount of time between each image(1000 = 1 second)
var slideshow2_fadingSpeed = 20;	// Speed of fading


/* Don't change any of these values */
var slideshow2_galleryHeigh;	// Height of galery
var slideshow2_galleryContainer;	// Reference to the gallery div
var slideshow2_galleryWidth;	// Width of gallery
var slideshow2_slideIndex = -1;	// Index of current image shown
var slideshow2_slideIndexNext = false;	// Index of next image shown
var slideshow2_imageDivs = new Array();	// Array of image divs(Created dynamically)
var slideshow2_currentOpacity = 100;	// Initial opacity
var slideshow2_imagesInGallery = false;	// Number of images in gallery

function getGalleryImageSize(imageIndex)
{
	if(imageIndex==slideshow2_imagesInGallery){
		showGallery();
	}else{
		var imgObj = document.getElementById('galleryImage' + imageIndex);
		var imgWidth = imgObj.width;
		var imgHeight = imgObj.height;
		if(imgWidth>50){
			var tmpDiv = document.createElement('DIV');
			tmpDiv.id = 'galleryDiv' + imageIndex;
			tmpDiv.style.visibility = 'hidden';
			tmpDiv.className='imageInGallery';
			slideshow2_galleryContainer.appendChild(tmpDiv);
			tmpDiv.appendChild(imgObj);
			imgObj.style.left = Math.round((slideshow2_galleryWidth - imgWidth)/2)  + "px";
			imgObj.style.top = Math.round((slideshow2_galleryHeight - imgHeight)/2)  + "px";
			tmpDiv.style.visibility = 'hidden';
			slideshow2_imageDivs.push(tmpDiv);
			imageIndex++;
			getGalleryImageSize(imageIndex);
		}else{
			setTimeout('getGalleryImageSize(' + imageIndex + ')',10);
		}
	}
}

function showGallery()
{
	if(slideshow2_slideIndex==-1)slideshow2_slideIndex=0; else slideshow2_slideIndex++;	// Index of next image to show
	if(slideshow2_slideIndex==slideshow2_imageDivs.length)slideshow2_slideIndex=0;
	slideshow2_slideIndexNext = slideshow2_slideIndex+1;	// Index of the next next image
	if(slideshow2_slideIndexNext==slideshow2_imageDivs.length)slideshow2_slideIndexNext = 0;

	slideshow2_currentOpacity=100;	// Reset current opacity

	// Displaying image divs
	slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'visible';
	if(navigator.userAgent.indexOf('Opera')<0){
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.visibility = 'visible';
	}


	if(document.all){	// IE rules
		slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity=100)';
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity=1)';
	}else{
		slideshow2_imageDivs[slideshow2_slideIndex].style.opacity = 0.99;	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.opacity = 0.01;
	}


	setTimeout('revealImage()',slideshow2_timeBetweenSlides);
}

function revealImage()
{
	if(slideshow2_noFading){
		slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';
		showGallery();
		return;
	}
	slideshow2_currentOpacity--;
	if(document.all){
		slideshow2_imageDivs[slideshow2_slideIndex].style.filter = 'alpha(opacity='+slideshow2_currentOpacity+')';
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.filter = 'alpha(opacity='+(100-slideshow2_currentOpacity)+')';
	}else{
		slideshow2_imageDivs[slideshow2_slideIndex].style.opacity = Math.max(0.01,slideshow2_currentOpacity/100);	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_imageDivs[slideshow2_slideIndexNext].style.opacity = Math.min(0.99,(1 - (slideshow2_currentOpacity/100)));
	}
	if(slideshow2_currentOpacity>0){
		setTimeout('revealImage()',slideshow2_fadingSpeed);
	}else{
		slideshow2_imageDivs[slideshow2_slideIndex].style.visibility = 'hidden';
		showGallery();
	}
}

function initImageGallery()
{
	slideshow2_galleryContainer = document.getElementById('imageSlideshowHolder');
	slideshow2_galleryWidth = slideshow2_galleryContainer.clientWidth;
	slideshow2_galleryHeight = slideshow2_galleryContainer.clientHeight;
	galleryImgArray = slideshow2_galleryContainer.getElementsByTagName('IMG');
	for(var no=0;no<galleryImgArray.length;no++){
		galleryImgArray[no].id = 'galleryImage' + no;
	}
	slideshow2_imagesInGallery = galleryImgArray.length;
	getGalleryImageSize(0);

}


function show_more(id){
	e=document.getElementById(id);
	if(e.style.display!='block'){
		e.style.display='block';
	}
	else{
		e.style.display='none';
	}
}




//Форма1



function CheckEmail(data) { // проверка корректности email
	return /^[a-zA-Z0-9_\-.]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9.]+$/.test(data);
}



function CheckPhoneCode(data) { // проверка корректности кода города либо external-номера (только цифры)
	//return /^[0-9]+$/.test(data);
	return /^8(-\d{3}){2}(-\d{2}){2}$/.test(data);
}
//
//function CheckPhoneNumber(data) { // проверка корректности номера телефона (помимо цифр допускается еще дефис и пробел)
//	return /^[0-9\- ]+$/.test(data);
//}



function CheckPhoneNumber(data) { // проверка корректности номера телефона (помимо цифр допускается еще дефис и пробел)
	//return /^8(-\d{3}){2}(-\d{2}){2}$/.test(data);
	return /^8(-\d{3}){2}$/.test(data);
}



function CheckFields() // проверяет заполнение обязательных полей
{
	var error_text = '';
	/******* Другое *****/
	if(document.all['name'].value == '') error_text = error_text+'\nНе заполнено поле "Название организации (ФИО)"';
	if(document.all['zakaz'].value == '') error_text = error_text+'\nНе заполнено поле "Описание вашего мероприятия и пожелания"';




	/***** телефонные номера *******/

	//if(document.all['tel'].value!='' && CheckPhoneCode(document.all['tel'].value) == false)   error_text = error_text+'\nНеверное значение поля "Телефон-факс"';


	/******* E-mail *******/
	if(document.all['email'].value!='' && CheckEmail(document.all['email'].value) == false) error_text = error_text+'\nНеверное значение поля "E-mail"';



	if(error_text != '')    {
		alert('Ошибка в заполнении формы:'+error_text);
		return false;
	}
	else
	return true;
}