var IE = (window.attachEvent && !window.opera)
var toID
var toEL
var boxID
var inbox
var prevQ
window.onresize = Scroll
window.onload = Scroll

function NewWin (url,w,h) {
	var win = "width="+(w+20)+",height="+(h+20)+",menubar=no,location=no,resizable=yes,scrollbars=yes,status=no,copyhistory=no";
	//newWin = window.open(url,'exgood_catalog',win)
	newWin = window.open(url,undefined,win)
	newWin.focus()
}

function FullWin (url) {
	newWin = window.open(url)
	newWin.focus()
}

function Hover (el, set, suf) {
	if ( ! suf )
		suf = ''
	else if ( suf == 'box' && !inbox )
		return
	if ( set ) {
		if ( el.className.indexOf(' hover'+suf) == -1 )
			el.className += ' hover'+suf
	}
	else if ( ( i = el.className.indexOf(' hover'+suf) ) != -1 )
		el.className = el.className.substr(0,i)
}

function Load (url,save_top) {
	if ( url.substr(url.length-4) == '/box' && !inbox )
		return
	if ( save_top ) {
		var el = document.getElementById('content')
		addCookie('top', el.scrollTop)
	} else
		delCookie('top')
	top.document.location.href = url
	return false
}

function Replace (url) {
	//delCookie('top')
	top.location.replace(url)
	return false
}

function Scroll () {
	var el = document.getElementById('content')
	if ( el ) {
		//document.body.style.overflow = ''
		if ( window.opera )
			el.style.overflow = ''
		else
			el.style.overflowX = el.style.overflowY = ''
		el.style.height = ''
		var top = el.parentNode.offsetTop
		var left = el.parentNode.offsetLeft
		var height = el.clientHeight
		var bh = document.body.clientHeight
		var bw = document.body.clientWidth

		// catalog picture
		var pict = document.getElementById('pict')
		if ( pict ) {
			var iw = pict.clientWidth
			if ( iw > bw-left ) {
				w = pict.width
				h = pict.height
				pict.style.width = bw-left-40
				var str = pict.parentNode.innerHTML
				var href = 'javascript:NewWin("' + pict.src + '",' + w + ',' + h + ')'
				//alert(href)
				var title = 'Увеличить в отдельном окне'
				// str = '<a target=_blank href=' + pict.src + ' title="' + title +'">' + str + '</a>'
				str = '<a href=' + href+ ' title="' + title +'">' + str + '</a>'
				pict.parentNode.innerHTML = str
			}
		}

		cr = document.getElementById('copyright')
		mb = document.getElementById('menubar')
		var off = 15 + cr.clientHeight
		//alert(top+' '+height+' '+cr+' '+off+' '+bw+' '+cr.scrollWidth)
		//alert(top+' '+height+' '+cr+' '+off+' '+bh+' '+mb.parentNode.offsetTop+' '+mb.clientHeight)
		if ( bw > cr.scrollWidth && bh > mb.parentNode.offsetTop+mb.clientHeight+off ) {
			el.style.height = bh - top - off
			if ( window.opera )
				el.style.overflow = 'auto'
			else
				el.style.overflowY = 'auto', el.style.overflowX = 'hidden'
			document.body.style.overflow = 'hidden'
			//alert(location.href)
			var href = location.href
			if ( href.indexOf('/catalog') != -1 || href.indexOf('/box') != -1 || href.indexOf('?price') != -1
			|| (href.indexOf('/visit') != -1 && href.indexOf('/visit/') < 0)
			|| (href.indexOf('/bots') != -1 && href.indexOf('/bots/') < 0)
			|| href.indexOf('/invlist') != -1 )
			{
				var st = getCookie('top')
				if ( st ) {
					el.scrollTop = st
					delCookie('top')
				}
			}
		}
		else
			document.body.style.overflow = 'auto'
	}
	BlinkBox()
	if ( getCookie('nobot') == null ) {
		addCookie('nobot', 1)
		AddBox('/main/nobot')
	}
}

function BlinkBox () {
	if ( boxID )
		clearTimeout(boxID)
	boxID = setTimeout("BlinkBox()",1000)
	var el = document.getElementById('boxhead')
	if ( el ) {
		if ( inbox ) {
			if ( el.innerHTML == 'Корзина' )
				el.innerHTML = '<nobr>Оформить заказ</nobr>'
				if ( el.className == 'menuhead' )
					el.className = 'menuhead lightbox'
				else if ( el.className == 'menuhead lightbox' )
					el.className = 'menuhead'
		}
		else if ( el.innerHTML != 'Корзина' )
			el.innerHTML = 'Корзина'
	}
}

function addCookie(name,value,days) {
	if (days) {
		var date = new Date()
		date.setTime(date.getTime()+(days*24*60*60*1000))
		var expires = "; expires="+date.toGMTString()
	} else
		var expires = ""
	document.cookie = name+"="+value+expires+"; path=/"
}

function getCookie(name) {
	var nameEQ = name + "="
	var ca = document.cookie.split(';')
	for(var i = 0; i < ca.length; i++) {
		var c = ca[i]
		while (c.charAt(0)==' ')
			c = c.substring(1,c.length)
		if (c.indexOf(nameEQ) == 0)
			return c.substring(nameEQ.length,c.length)
	}
	return null
}

function delCookie(name) {
	addCookie(name,"",-1)
}

function AddBox(url,op) {
	//if ( delname && !confirm('Удалить '+delname+' из корзины') )
	if ( op == 1 && !confirm('Удалить товар из корзины?') )
		return
	if ( op == 3 && !confirm('Удалить заказ?') )
		return
	if ( op == 2 ) {
		if ( toID ) {
			clearTimeout(toID)
			toID = undefined
		}
		var str = toEL.value
		if ( prevQ == str )
			return
		for ( var i = 0; i < str.length; i++ ) {
			var c = str.charAt(i)
			if ( '0123456789'.indexOf(c) < 0 ) {
				alert('В поле ввода должно быть целое число')
				return
			}
		}
		prevQ = str
		url += ',q'+str
	}
	var frm = top.document.getElementById('fr1')
	if ( frm ) {
		addCookie('addbox', 1)
		frm.contentWindow.location.replace(url)
	}
}

function ShowBox(frm,url) {
	// opera 9.64 linux? not reload baox ;(
	var href = frm.contentWindow.location.href
	if ( href.indexOf('/addbox/item') < 0 ) {
		//frm.contentWindow.location.replace(url)
		delCookie('addbox')
		return
	}
	var content = frm.contentWindow.document.body.innerHTML
	if ( window.opera ) {
		//content.replace(/^s+|s+$/g, '') not work ;(
		var str = ''
		for ( var i = 0; i < content.length; i++ ) {
			var c = content.charAt(i)
			if (c != '\n')
				str += c
		}
		content = str
	}
	//alert('content ['+content+']')
	if ( content ) {
			var el = document.getElementById('box')
			if ( el )
				el.innerHTML = content
	}
	delCookie('addbox')
}

function PrevQty (el) {
	prevQ = el.value
}

function ChangeQty (el,url) {
	if ( toID )
		clearTimeout(toID)
	toEL = el
	toID = setTimeout("AddBox('"+url+"',2)",600)
}

function SetSize (url,el) {
	//alert(el.name+' '+el.value)
	url += ','+el.name+'_'+el.value
	//var frm = top.document.getElementById('fr1')
	//addCookie('addbox', 1)
	//frm.contentWindow.location.replace(url)
	AddBox(url)
}

function Contact (el,url) {
	var val = el.value
	var str = ''
	for ( var i = 0; i < val.length; i++ ) {
		var code = val.charCodeAt(i)
		if ( code >= 1040 )
			code -= 848
		str += String.fromCharCode(code)
	}
	url += escape(str)
	AddBox(url)
}

function MkInvoice (url) {
	// give chance for onchange
	setTimeout("AddBox('"+url+"')",500)
}

function UpdFld (obj,url) {
	if ( obj.type == 'checkbox' )
		url += (obj.checked ? 1 : 0)	
	else
		url += obj.value	
	var frm = top.document.getElementById('fr1')
	frm.contentWindow.location.replace(url)
}

function PrintForm () {
	var url = top.document.location.href
	if ( url.indexOf('/main') == -1 )
		FullWin('/main/print')
	else
		FullWin(url+'/print')
}