var ok_jmeno = false;
var ok_prijmeni = false;
var ok_psc = true;
var ok_ulice = true;
var ok_mesto = true;
var ok_mobil = true;
var ok_email = false;

function prizpusobit()
{
var body = document.getElementById("obsah").offsetHeight;
var bigl = 0;

if(document.getElementById("bigl"))
{
	body += document.getElementById("bigl").offsetHeight;
	bigl = document.getElementById("bigl").offsetHeight-16;
}

if(document.getElementById("lmenu").offsetHeight > body){
document.getElementById("obsah").style.height=(document.getElementById("lmenu").offsetHeight - bigl) + "px";
}else{
document.getElementById("lmenu").style.height=(document.getElementById("obsah").offsetHeight + bigl) + "px";
}
document.getElementById("rmenu").style.height=document.getElementById("lmenu").offsetHeight + "px";
}

function product(img)
{
window.open("produkty/load.php?src="+img, "_blank", "width=780,height=550,scrollbars=yes");
}

function dis_cena(cena, id)
{
/*	if(id=='6F9B9720' && (cena == '608' || cena == '751' || cena == '715'))
	{
		document.getElementById('dokosiku').style.display = "none";
		document.getElementById('nedokosiku').style.display = "block";
	}
	else
	{*/
		document.getElementById('dokosiku').style.display = "block";
		document.getElementById('nedokosiku').style.display = "none";
//	}



	document.getElementById('cena'+id).innerHTML = cena;
	
//	alert(id);

/*	if(id=='C36F321A' && (cena == '485' || cena == '629' || cena == '593'))
	{
		// akce 2 za jinou cenu, nez 2x 1

		if(cena == '485')
		{
			var dcena = 908;
			var tcena = 454;
		}
		else if(cena == '629')
		{
			var dcena = 1088;
			var tcena = 598;
		}
		else if(cena == '593')
		{
			var dcena = 1040;
			var tcena = 562;
		}
				
		var pocet = document.getElementById('poc'+id).value;
		
		if(pocet==1)
			var ncena = cena;
		else
			var ncena = (Math.floor(pocet/2)*dcena)+(pocet%2)*tcena;
		
		document.getElementById('cc'+id).innerHTML = ncena;
		
	}else{*/
		document.getElementById('cc'+id).innerHTML = (document.getElementById('cena'+id).innerHTML * document.getElementById('poc'+id).value);
//	}

	

}

function dis_krmivo(id)
{
	var cena = document.getElementById('cena6F9B9720').innerHTML;
		/*if(id=='C36F321A')
			document.getElementById('sleva7banner').style.display="none";
		else
			document.getElementById('sleva7banner').style.display="block";
			*/
		document.getElementById('dokosiku').style.display = "block";
		document.getElementById('nedokosiku').style.display = "none";
//	}

document.getElementById('A918773E').style.display = "none";
document.getElementById('imgA918773E').style.display = "none";
document.getElementById('C36F321A').style.display = "none";
document.getElementById('imgC36F321A').style.display = "none";
document.getElementById('F0C7B046').style.display = "none";
document.getElementById('imgF0C7B046').style.display = "none";
document.getElementById('AA9B3420').style.display = "none";
document.getElementById('imgAA9B3420').style.display = "none";
document.getElementById('9771AC84').style.display = "none";
document.getElementById('img9771AC84').style.display = "none";
document.getElementById('2CB8C55').style.display = "none";
document.getElementById('img2CB8C55').style.display = "none";
document.getElementById('B5A47A30').style.display = "none";
document.getElementById('imgB5A47A30').style.display = "none";
document.getElementById('6F9B9720').style.display = "none";
document.getElementById('img6F9B9720').style.display = "none";
document.getElementById('AADB73F3').style.display = "none";
document.getElementById('imgAADB73F3').style.display = "none";
document.getElementById(id).style.display = "inline";
document.getElementById("img" + id).style.display = "block";
}

function dis_cc(id, value)
{
	if(isNaN(value)){
	alert('Zadávejte pouze čísla!');
	document.getElementById('poc'+id).value = '1';
	}else{
		var cena = document.getElementById('cena'+id).innerHTML;
		
		/*if(id=='C36F321A' && (cena == '485' || cena == '629' || cena == '593'))
		{
		// akce 2 za jinou cenu, nez 2x 1

		if(cena == '485')
		{
			var dcena = 908;
			var tcena = 454;
		}
		else if(cena == '629')
		{
			var dcena = 1088;
			var tcena = 598;
		}
		else if(cena == '593')
		{
			var dcena = 1040;
			var tcena = 562;
		}
					
			var pocet = value;
			
			if(pocet==1)
				var ncena = cena;
			else
				var ncena = (Math.floor(pocet/2)*dcena)+(pocet%2)*tcena;
			
			document.getElementById('cc'+id).innerHTML = ncena;
			
		}else{*/
			document.getElementById('cc'+id).innerHTML = (document.getElementById('cena'+id).innerHTML * value);
		//}
	}
}

function checkmail()
{
	var error;
	if(document.getElementById('email').value == "")
	{
		document.getElementById('inf_email').style.color = "Red";
		document.getElementById('inf_email').innerHTML = "[nutno vyplnit]";
		error = true;
	}
	else
	{
		//re = new RegExp("^(.+)$");
		re = new RegExp("^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,5}$");
		
  	if (!re.test(document.getElementById('email').value))
  	{
			document.getElementById('inf_email').style.color="Red";
			document.getElementById('inf_email').innerHTML = "[není e-mail]";
			error = true;
  	}
  	else
  	{
			document.getElementById('inf_email').style.color="Darkgreen";
			document.getElementById('inf_email').innerHTML = "[OK]";
  	}
	}
	
	if(!error && ok_jmeno && ok_prijmeni && ok_psc && ok_ulice && ok_mesto && ok_mobil)
	{
		document.getElementById('submitbutton').disabled = 0;
	}
	else
	{
		document.getElementById('submitbutton').disabled = 1;
	}
}

function checkform(input, inf_text, okvar)
{
	if(document.getElementById(input).value == "")
	{
		document.getElementById(inf_text).style.color = "Red";
		document.getElementById(inf_text).innerHTML = "[nutno vyplnit]";
		eval(okvar + " = false;");
	}else{
		document.getElementById(inf_text).style.color="Darkgreen";
		document.getElementById(inf_text).innerHTML = "[OK]";
		eval(okvar + " = true;");
	}
}

function checkform2(input, inf_text, okvar)
{
	if(document.getElementById(input).value == "")
	{
		document.getElementById(inf_text).style.color = "#FFC20E";
		document.getElementById(inf_text).innerHTML = "[nepovinné]";
	}else{
		document.getElementById(inf_text).style.color="Darkgreen";
		document.getElementById(inf_text).innerHTML = "[OK]";
	}
}