function Otevri_okno()
{
	msg = window.open('','nove_okno', 'toolbar=no,menubar=no,location=no,directories=no,scrollbars=yes,resizable=yes,status=no,width=720,height=740')
}

function Otevri_oknofx()
{
	msg = window.open('','nove_oknofx', 'toolbar=no,menubar=no,location=no,directories=no,scrollbars=yes,resizable=yes,status=no,width=750,height=720')
}

function Otevri_okno1()
{
	msg = window.open('','nove_okno1', 'toolbar=no,menubar=no,location=no,directories=no,scrollbars=no,resizable=no,status=no,width=350,height=235')
}

 function Otevri_okno2()
 {
 msg = window.open('','nove_okno2', 'toolbar=no,menubar=no,location=no,directories=no,scrollbars=no,resizable=no,status=no,width=380,height=260')
}
 function Otevri_okno2a()
 {
 msg = window.open('','nove_okno2a', 'toolbar=no,menubar=no,location=no,directories=no,scrollbars=no,resizable=no,status=no,width=380,height=350')
}

function Otevri_okno15()
{
	msg = window.open('','nove_okno15', 'toolbar=yes,menubar=yes,location=no,directories=no,scrollbars=yes,resizable=yes,status=no,width=650,height=700')
}

function validate(formular) {
if (window.RegExp)
{
	ps = new RegExp("^..+$");
	if (!ps.test(formular.hledej.value))
	{
		alert("Hledaný řetězec musí obsahovat alespoň 2 znaky!");
		formular.hledej.focus();
		return false;
	}
}
}

function kosikus(text) {
	kosik.innerHTML	= text;
return false;
}


function volba2_aktual(volba1) {
	var slouceni	= document.forms["detail_volby"].slouceni.value;
//	var volba1		= document.forms["detail_volby"].volba1.value;

//	alert(volba1);

	var nazev_divu		= 'detail_volba2';
	var url_scriptu		= './detail_volba2.php?slouceni='+slouceni+'&volba1_prenos='+volba1;

	var httpRequest;

	if(typeof window.ActiveXObject != 'undefined')
	{
	    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
	    httpRequest = new XMLHttpRequest();
	}
	httpRequest.open("GET", url_scriptu, true);
	httpRequest.onreadystatechange= function () 
	{

	    if (httpRequest.readyState == 4)
	    {
	        if(httpRequest.status == 200)
	        {
				document.getElementById(nazev_divu).innerHTML = httpRequest.responseText;
	        }
	        else
	        {
	            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
	        }
	    }

	}

	detail_foto(volba1);
	detail_cena(volba1);

	httpRequest.send(null);
}

function detail_foto(volba1) {
	var slouceni	= document.forms["detail_volby"].slouceni.value;
//	var volba1		= document.forms["detail_volby"].volba1.value;

	var nazev_divu	= 'detail_hlavni_foto';
	var url_scriptu	= './detail_hlavni_foto.php?volba1_prenos='+volba1;

	var httpRequest;

	if(typeof window.ActiveXObject != 'undefined')
	{
	    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
	    httpRequest = new XMLHttpRequest();
	}
	httpRequest.open("GET", url_scriptu, true);
	httpRequest.onreadystatechange= function () 
	{

	    if (httpRequest.readyState == 4)
	    {
	        if(httpRequest.status == 200)
	        {
				document.getElementById(nazev_divu).innerHTML = httpRequest.responseText;
	        }
	        else
	        {
	            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
	        }
	    }

	}
	httpRequest.send(null);
}

function detail_cena(volba1) {
	var slouceni	= document.forms["detail_volby"].slouceni.value;
//	var volba1		= document.forms["detail_volby"].volba1.value;

	var nazev_divu	= 'detail_cena_vypis';
	var url_scriptu	= './detail_cena_vypis.php?volba1_prenos='+volba1;

	var httpRequest;

	if(typeof window.ActiveXObject != 'undefined')
	{
	    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
	    httpRequest = new XMLHttpRequest();
	}
	httpRequest.open("GET", url_scriptu, true);
	httpRequest.onreadystatechange= function () 
	{

	    if (httpRequest.readyState == 4)
	    {
	        if(httpRequest.status == 200)
	        {
				document.getElementById(nazev_divu).innerHTML = httpRequest.responseText;
	        }
	        else
	        {
	            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
	        }
	    }

	}
	httpRequest.send(null);

}


function volba22_aktual(volba2) {
	detail_foto2(volba2);
	detail_cena2(volba2);

}

function detail_foto2(volba2) {
//	var volba2		= document.forms["detail_volby"].volba2.value;

	var nazev_divu	= 'detail_hlavni_foto';
	var url_scriptu	= './detail_hlavni_foto2.php?kod_zbozi='+volba2;

	var httpRequest;

	if(typeof window.ActiveXObject != 'undefined')
	{
	    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
	    httpRequest = new XMLHttpRequest();
	}
	httpRequest.open("GET", url_scriptu, true);
	httpRequest.onreadystatechange= function () 
	{

	    if (httpRequest.readyState == 4)
	    {
	        if(httpRequest.status == 200)
	        {
				document.getElementById(nazev_divu).innerHTML = httpRequest.responseText;
	        }
	        else
	        {
	            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
	        }
	    }

	}
	httpRequest.send(null);
}

function detail_cena2(volba2) {
//	var volba2		= document.forms["detail_volby"].volba2.value;

	var nazev_divu	= 'detail_cena_vypis';
	var url_scriptu	= './detail_cena_vypis2.php?kod_zbozi='+volba2;

	var httpRequest;

	if(typeof window.ActiveXObject != 'undefined')
	{
	    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
	    httpRequest = new XMLHttpRequest();
	}
	httpRequest.open("GET", url_scriptu, true);
	httpRequest.onreadystatechange= function () 
	{

	    if (httpRequest.readyState == 4)
	    {
	        if(httpRequest.status == 200)
	        {
				document.getElementById(nazev_divu).innerHTML = httpRequest.responseText;
	        }
	        else
	        {
	            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
	        }
	    }

	}
	httpRequest.send(null);

}




function GetKeyCode(e) {
  if (e) {
    return e.charCode ? e.charCode : e.keyCode;
  }
  else {
    return window.event.charCode ? window.event.charCode : window.event.keyCode;
  }
}


function ajax(udalost)
{
	var klavesa	= GetKeyCode(udalost);

	if (klavesa == 38) {
		formular.nabidka.focus();
	}
	else if (klavesa == 40) {
		formular.nabidka.focus();
	}
	else {

		var hledej	= document.forms["formular"].hledej.value;

		var url_scriptu	= './hledej.php?hledej='+hledej;
		var nazev_divu	= 'menu';

		var httpRequest;

		if(typeof window.ActiveXObject != 'undefined')
		{
		    httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
		}
		else
		{
		    httpRequest = new XMLHttpRequest();
		}
		httpRequest.open("GET", url_scriptu, true);
		httpRequest.onreadystatechange= function () 
		{

		    if (httpRequest.readyState == 4)
		    {
		        if(httpRequest.status == 200)
		        {
					document.getElementById(nazev_divu).innerHTML = httpRequest.responseText;
		        }
		        else
		        {
		            alert("Chyba pri nacitani stanky " + httpRequest.status +" : "+ httpRequest.statusText);
		        }
		    }

		}
		httpRequest.send(null);
	}
}

function ukazat(id) {
	document.getElementById(id).style.display = 'block';
}

function schovat(id) {
	document.getElementById(id).style.display = 'none';
}

function prenest(hodnota)
{
	document.forms["formular"].hledej.value = hodnota;
}



function prenest_focus(hodnota,hodnota_vychozi)
{
	if (hodnota == "") {
		var hodnota_predat	= hodnota_vychozi;
	}
	else {
		var hodnota_predat	= hodnota;
	}


	document.forms["formular"].nabidka.selectedIndex=0;
	document.forms["formular"].hledej.value = hodnota_predat;
}

function opusteni() {
	document.forms["formular"].nabidka.selectedIndex=-1;
}


function akce(udalost) {
	var klavesa	= GetKeyCode(udalost);

	var index	= document.forms["formular"].nabidka.selectedIndex;

	if (klavesa == 38 && index == 0) {
		formular.hledej.focus();
	}

	else if (klavesa != 38 && klavesa != 40) {
		formular.hledej.focus();
	}

}