// JavaScript Document česky
var xmlhttp;

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}

function generpass(idobj){
	passlength=9;
	var r='';
	var chars = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
	for (i = 0; i < passlength; i++) {
	r+=chars.charAt(Math.floor(Math.random()*chars.length-1));
	}
	document.getElementById(idobj).value=r;
}

function emailcheck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

function zprava(yourmessage)
{
	alert(yourmessage);
	return true;
}
	
function dotaz(yourmessage)
{
	return confirm(yourmessage);
}

function val_email(field,alerttxt)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}

function val_req(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);
	setfocus();
	return false;
    }
  else
    {
    return true;
    }
  }
}

$(document).ready(function(){
	$("#menu li").fadeTo("normal",0.8);
	$("#menu li").mouseout(function(){
		$(this).fadeTo("slow",0.8);
		$(this).css({'background-image':'url(images/menu1.gif)'});
	});
	$("#menu li").mouseover(function(){
		$(this).fadeTo("normal",1);
		$(this).css({'background-image':'url(images/menu_down.gif)'});
	});
	$(".galimg").fadeTo("normal",0.7);
	$(".galimg").mouseout(function(){
		$(this).fadeTo("slow",0.7);
	});
	$(".galimg").mouseover(function(){
		$(this).fadeTo("normal",1);
	});
	$(".kamera img").fadeTo("normal",0.8);
	$(".kamera img").mouseout(function(){
		$(this).fadeTo("slow",0.8);
	});
	$(".kamera img").mouseover(function(){
		$(this).fadeTo("normal",1);
	});
	var h_obsah=$("#obsah").height();
	var h_rcol=$("#rightcol").height();
	if (h_rcol>h_obsah) {h_obsah=$("#obsah").css("height",h_rcol+"px")};
	//$("#boxreklama").slideDown("slow");
});