window.onload = function()
{
	/******** Ceny ****************/
	if(document.getElementById("rinput"))
	{
		var maxcena = 2900;
		var form = document.getElementById("rinput");
		var input = form.getElementsByTagName("input");
		var price = document.getElementById('cena_produktu');
					
		for(var i=0; input[i] ;i++)
		{
			input[i].onclick = function()
			{
				if(input[2].checked)
				{
					if (input[0].checked) price.innerHTML =  "2 900,- Kč";
					else if (input[1].checked) price.innerHTML =  "450,- Kč";
				}		 
				else if(input[3].checked)
				{
					if (input[0].checked) price.innerHTML = "3 040,- Kč";
					else if (input[1].checked) price.innerHTML = "590,- Kč";	
				}
				else if(input[4].checked)
				{
					if (input[0].checked) price.innerHTML = "3 490,- Kč";
					else if (input[1].checked) price.innerHTML = "900,- Kč";
				}	 
			}
		}
		
		price.innerHTML = 2900 + ",- Kč";
	}
	
	/******** kontrola ****************/
	if(document.getElementById("datafrm"))
	{
		var forms = document.getElementById("formular");
		var data = document.getElementById("datafrm");
		var inputs = data.getElementsByTagName("input");
		var textA = 'Položka "';
		var textB = '" nesmý být prázdná'+"\n";
		
		forms.onsubmit = function()
		{
			var echo = '';
			
			if(inputs[2].value == "") echo += textA + inputs[2].title + textB;
			if(inputs[3].value == "") echo += textA + inputs[3].title + textB;
			if(inputs[4].value == "") echo += textA + inputs[4].title + textB;
			if(inputs[5].value == "") echo += textA + inputs[5].title + textB;
			if(inputs[6].value == "") echo += textA + inputs[6].title + textB;
			if(inputs[12].value == "") echo += textA + inputs[12].title + textB;
			
			
			if(echo)
			{
				alert("Chyby:\n\n" + echo);
				return false;	
			}
			else
				return true;
		}
	}
	
	
	/******** kontrola ****************/
	if(document.getElementById("vlozenititulu"))
	{
		var forms = document.getElementById("vlozenititulu");
		var inputs = forms.getElementsByTagName("input");
		var select = forms.getElementsByTagName("select");
		var textarea = forms.getElementsByTagName("textarea");
		var textA = 'Položka "';
		var textB = '" nesmý být prázdná' + "\n";
		var textB2 = '" musí obsahovat alespoň jeden výběr' + "\n";
		
		forms.onsubmit = function()
		{
			var echo = '';
			var selected = false;
			
			if(inputs[1].value == "" || inputs[1].value == "@") echo += textA + inputs[1].title + textB;
			if(inputs[2].value == "") echo += textA + inputs[2].title + textB;
			if(textarea[0].value == "") echo += textA + textarea[0].title + textB;
			
			for(var i=0; select[0].options[i] ;i++)
				if(select[0].options[i].selected)
					selected = true;
					
			if(!selected) echo += textA + select[0].title + textB2;
			
			selected = false;
			for(var i=0; select[1].options[i] ;i++)
				if(select[1].options[i].selected)
					selected = true;
					
			if(!selected) echo += textA + select[1].title + textB2;
			
			selected = false;
			for(var i=0; select[3].options[i] ;i++)
				if(select[3].options[i].selected)
					selected = true;
					
			if(!selected) echo += textA + select[3].title + textB2;
			
			selected = false;
			for(var i=0; select[4].options[i] ;i++)
				if(select[4].options[i].selected)
					selected = true;
					
			if(!selected) echo += textA + select[4].title + textB2;
			
			
			if(echo)
			{
				alert("Chyby:\n\n" + echo);
				return false;	
			}
			else
				return true;
		}
	}
}