// Overeni objednavky
function checkOrder() {
	
	if ((!getObj(order.EL_anglictina1_SK).checked) && (!getObj(order.EL_anglictina2_SK).checked) && (!getObj(order.EL_anglictina3_SK).checked) && (!getObj(order.EL_nemcina1_SK).checked) && (!getObj(order.EL_nemcina2_SK).checked) && (!getObj(order.EL_nemcina3_SK).checked) && (!getObj(order.EL_spanelstina1_SK).checked) && (!getObj(order.EL_francouzstina1_SK).checked)) {
		alert ("Nebyl vybrán žiadny tovar.");
		return false;
	}
	
	var obj;
	
   	if ((obj = getObj(order.name)).value == "") {
		obj.focus();
		alert ("Nezadali ste Vaše meno.");
		return false;
   	}
	
   	if ((obj = getObj(order.surname)).value == "") {
		obj.focus();
		alert ("Nezadali ste Vaše priezvisko.");
		return false;
   	}
	      
   	if ((obj = getObj(order.street)).value == "") {
		obj.focus();
		alert ("Nezadali ste Vaši ulici.");
		return false;
   	}
   
   	if ((obj = getObj(order.city)).value == "") {
		obj.focus();
		alert ("Nezadali ste Vaše mesto.");
		return false;
   	}
   
    if ((obj = getObj(order.zip)).value == "") {
		obj.focus();
		alert ("Nezadali ste Vaše PSČ.");
		return false;
   	}
	
   	if ((obj = getObj(order.email)).value == "") {
		obj.focus();
		alert ("Nezadali ste Váš e-mail.");
		return false;
   	}
   	
   	if (obj.value.indexOf("@") == -1) {
		obj.focus();
		alert ("Chybný formát e-mailu.");
		return false;
	}	
}

// Ziskej element
function getObj(name) {
	if (typeof name != 'string') 
		return name;

	return document.getElementById(objName);
}