var height=0;
var width=0;
var prev_tab=1;
var global_date_er = false;
var global_email_er = false;

if (self.screen) { // для Netscape и IE версий 4 и выше
width = screen.width
height = screen.height
}
else if (self.java) { // для Netscape3
var jkit = java.awt.Toolkit.getDefaultToolkit();
var scrsize = jkit.getScreenSize();
width = scrsize.width;
height = scrsize.height;
} 

function login_err() {
	document.getElementById('authLogin').className = 'input_auth_er';
	document.getElementById('authPassword').className = 'input_auth_er';
}
function show_auth() {
	//document.getElementById('panel_auth').style.right=(width-1024)/2;
	//document.getElementById('panel_auth').style.display='';	
	document.getElementById('div_photo').className =((ua=='Explorer') ? "fixed_ie" : "fixed_fire");
	document.getElementById('div_photo_back').className =((ua=='Explorer') ? "fixed_ie_back" : "fixed_fire_back");
	document.getElementById('div_photo').style.display='';
	document.getElementById('div_photo_back').style.display='';
}

function hide_auth() {
	document.getElementById('div_photo').style.display='none';
	document.getElementById('div_photo_back').style.display='none';
}

function check_registration() {
	login = document.getElementById('loginn').value;
	var email = document.getElementById('email').value;
	var pass1 = document.getElementById('pass1').value;
	var pass2 = document.getElementById('pass2').value;
	
	var err = 0;
	if(login.length<3 || login.length>25) err++;
	if(email.length<8) err++;
	if(pass1.length<3 || pass1.length>15) err++;
	if(pass2.length<3 || pass2.length>15) err++;
	//alert(document.getElementById('err_login').innerHTML);
	if(er_login == true || er_email == true || er_pass == true || er_pass2 == true) err++;
	
	document.getElementById('regConfirm').disabled = (err == 0) ? false : true;
	
}


function add_sell_check() {
	var ar = new Array("cat", "name", "desc", "export", "cost", "contacts", "email");
	i = 0;
	er = 0;
	while(document.getElementById(ar[i])) {

		if(document.getElementById(ar[i]).value==0 || !document.getElementById(ar[i]).value) er++;
		i++;
	}
	if(document.getElementById("cost")) {
		if(!parseInt(document.getElementById("cost").value) || document.getElementById("cost").value<1) {
			document.getElementById('cost').className = 'inputRegisterRed';
			er++;
		} else {
			document.getElementById('cost').className = 'inputRegister';
		}
	}
	if(global_date_er==true) er++;
	if(global_email_er==true) er++;
	if(document.getElementById('regConfirm')) document.getElementById('regConfirm').disabled = (er == 0) ? false : true;
}

function add_notice_check() {
	var ar = new Array("cat", "name", "desc", "contacts", "email");
	i = 0;
	er = 0;
	while(document.getElementById(ar[i])) {
		if(document.getElementById(ar[i]).value==0 || !document.getElementById(ar[i]).value) er++;
		i++;
	}
	
	if(global_date_er==true) er++;
	if(global_email_er==true) er++;
	if(document.getElementById('regConfirm')) document.getElementById('regConfirm').disabled = (er == 0) ? false : true;
}

function add_auction_check() {
	var ar = new Array("cat", "name", "desc", "export", "start_cost", "end_cost", "contacts", "email");
	i = 0;
	er = 0;
	while(ar[i]) {

		if(document.getElementById(ar[i]).value==0 || !document.getElementById(ar[i]).value) er++;
		i++;
	}
	if(!parseInt(document.getElementById("start_cost").value) || document.getElementById("start_cost").value<1) {
		document.getElementById('start_cost').className = 'inputRegisterRed';
		er++;
	} else {
		document.getElementById('start_cost').className = 'inputRegister';
	}

	if(!parseInt(document.getElementById("end_cost").value) || document.getElementById("end_cost").value<1) {
		document.getElementById('end_cost').className = 'inputRegisterRed';
		er++;
	} else {
		document.getElementById('end_cost').className = 'inputRegister';
	}
	
	if(parseInt(document.getElementById("start_cost").value) >= parseInt(document.getElementById("end_cost").value)) er++;

	if(global_date_er==true) er++;
	if(global_email_er==true) er++;
	document.getElementById('regConfirm').disabled = (er == 0) ? false : true;
}

function add_photo() {
	document.getElementById('tr_upload').style.display = 'none';
	document.getElementById('tr_process').style.display = '';
}

function select_sub_menu(id) {
	var i = 0;
	while(document.getElementById("m"+i)) {
		document.getElementById("m"+i).className = 'SMbody';
		document.getElementById("div_m"+i).style.display = 'none';
		
		
		document.getElementById(id).className = 'SMbodySel';
		document.getElementById("div_"+id).style.display = '';
		
		i++;
	}
}
function select_sub_menu2(id) {
	var i = 0;
	while(document.getElementById("s"+i)) {

		document.getElementById("s"+i).className = 'menu_sub_2_main';
		document.getElementById("div_s"+i).style.display = 'none';
		
		
		document.getElementById(id).className = 'menu_sub_2_main_sel';
		document.getElementById("div_"+id).style.display = '';
		
		i++;
	}
}