//komunikace se serverem
	function stahniData(funkce, idcko, obsah, delic) {
		// odmazeme stary skript, pokud existoval
		//var hlavicka = document.getElementsByTagName('head')[0];
		//var dataLoader = document.getElementById('scriptLoader');
		//if(dataLoader) hlavicka.removeChild(dataLoader);

		// vytvorime novy element script
		script = document.createElement('script');
		script.id = 'scriptLoader';
		script.src = 'http://stredo.ceskebazary.cz/inc/ajax.html?funkce='+funkce+'&idcko='+idcko+'&obsah='+obsah+'&delic='+delic+'&r='+Math.random();
		//document.getElementById('all').innerHTML = document.getElementById('all').innerHTML+('<br />http://www.vasezajezdy.cz/inc/vylet.html?funkce='+funkce+'&idcko='+idcko+'&obsah='+obsah+'&delic='+delic+'&r='+Math.random());
		//alert(funkce+' '+idcko+' '+obsah+' '+delic);

		// Ihned po zavolani prohlizec stahne skript a spusti jej
		x = document.getElementsByTagName('head')[0];
		x.appendChild(script);
		return false;
	}

//funkce na vypisovani
	function vypsat(idcko, co) {
		if(document.getElementById(idcko)) {
			document.getElementById(idcko).innerHTML = co;
			//document.getElementById(idcko).style.border = "1px solid red";
		}
	}

//prednacitani obrazku
	function preloadImages() {
		var d=document; if(d.images){ if(!d.p) d.p=new Array();
		var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
	}


	function zmena(zmena, typ_auta, vybrana_znacka1, vybrana_znacka2, vybrana_znacka3, vybrany_model1, vybrany_model2, vybrany_model3) {
		//alert('zmenila se hodnota "'+zmena+'" |znacka1: "'+vybrana_znacka1+'" |znacka2: "'+vybrana_znacka2+'" |znacka3: "'+vybrana_znacka3+'"');
		if(zmena == "zalozka") {
			var colNot = document.getElementsByTagName("a");
			for (var i = 0; i < colNot.length; i++) {
				//vsechny odsvitit
				if (colNot[i].className == "nadv aktiv2") {
					colNot[i].className = "nadv";
				}
				//aktivni rozsvitit
				if(colNot[i].id == "nadv_"+typ_auta) {
					colNot[i].className = "nadv aktiv2";
				}
			}
			document.getElementById("hidden_typ_vozidla").value = typ_auta;
			select_innerHTML(document.getElementById("select_znacka1"),'<option value="">načítám...</option>');
			select_innerHTML(document.getElementById("select_znacka2"),'<option value="">načítám...</option>');
			select_innerHTML(document.getElementById("select_znacka3"),'<option value="">načítám...</option>');
			select_innerHTML(document.getElementById("select_model1"),'<option value="">načítám...</option>');
			select_innerHTML(document.getElementById("select_model2"),'<option value="">načítám...</option>');
			select_innerHTML(document.getElementById("select_model3"),'<option value="">načítám...</option>');
			document.getElementById("select_znacka1").disabled = "disabled";
			document.getElementById("select_znacka2").disabled = "disabled";
			document.getElementById("select_znacka3").disabled = "disabled";
			document.getElementById("select_model1").disabled = "disabled";
			document.getElementById("select_model2").disabled = "disabled";
			document.getElementById("select_model3").disabled = "disabled";
			stahniData("znacka", "select_znacka1", typ_auta+"|"+vybrana_znacka1, "|");
			stahniData("znacka", "select_znacka2", typ_auta+"|"+vybrana_znacka2, "|");
			stahniData("znacka", "select_znacka3", typ_auta+"|"+vybrana_znacka3, "|");
			stahniData("model", "select_model1", typ_auta+"|"+vybrana_znacka1+"|"+vybrany_model1, "|");
			stahniData("model", "select_model2", typ_auta+"|"+vybrana_znacka2+"|"+vybrany_model2, "|");
			stahniData("model", "select_model3", typ_auta+"|"+vybrana_znacka3+"|"+vybrany_model3, "|");
		} if(zmena == "znacka1") {
			document.getElementById("select_model1").disabled = "disabled";
			stahniData("model", "select_model1", typ_auta+"|"+vybrana_znacka1+"|"+vybrany_model1, "|");
		} if(zmena == "znacka2") {
			document.getElementById("select_model2").disabled = "disabled";
			stahniData("model", "select_model2", typ_auta+"|"+vybrana_znacka2+"|"+vybrany_model2, "|");
		} if(zmena == "znacka3") {
			document.getElementById("select_model3").disabled = "disabled";
			stahniData("model", "select_model3", typ_auta+"|"+vybrana_znacka3+"|"+vybrany_model3, "|");
		} 
	}

//vypisovani do selectu
	function select_innerHTML(objeto,innerHTML){
		objeto.innerHTML = "";
		var selTemp = document.createElement("micoxselect");
		var opt;
		selTemp.id="micoxselect1";
		document.body.appendChild(selTemp);
		selTemp = document.getElementById("micoxselect1");
		selTemp.style.display="none";
		if(innerHTML.indexOf("<option")<0){
			innerHTML = "<option>." + innerHTML + "</option>";
		}
		innerHTML = innerHTML.replace(/<option/g,"<span").replace(/<\/option/g,"</span");
		selTemp.innerHTML = innerHTML;
		for(var i=0;i<selTemp.childNodes.length;i++){
			var spantemp = selTemp.childNodes[i];
			if(spantemp.tagName){
				opt = document.createElement("OPTION");
				if(document.all){ //IE
					objeto.add(opt);
				}else{
					objeto.appendChild(opt);
				}
				//getting attributes
				for(var j=0; j<spantemp.attributes.length ; j++){
					var attrName = spantemp.attributes[j].nodeName;
					var attrVal = spantemp.attributes[j].nodeValue;
					if(attrVal){
						try{
							opt.setAttribute(attrName,attrVal);
							opt.setAttributeNode(spantemp.attributes[j].cloneNode(true));
						}catch(e){}
					}
				}
				//getting styles
				if(spantemp.style){
					for(var y in spantemp.style){
						try{opt.style[y] = spantemp.style[y];}catch(e){}
					}
				}
				//value and text
				opt.value = spantemp.getAttribute("value");
				if(spantemp.innerHTML.substring(0,1) == "&") {
					opt.text = spantemp.innerHTML.substring(6);
				} else {
					opt.text = spantemp.innerHTML;
				}
				//IE
				opt.selected = spantemp.getAttribute('selected');
				opt.className = spantemp.className;
			}
		}
		document.body.removeChild(selTemp);
		selTemp = null;
	}