function gmap() {
	if (self.load) load();
}

function ungmap() {
	if (self.GUnload) GUnload();
}

function setMinPrice(reservedPrice)
	{
	return parseInt(0.7*reservedPrice);
	} 
	
function setBid(reservedPrice)
	{
	if (reservedPrice <= 1000)
		return 50;
	else if (reservedPrice <= 5000)
		return 100;
	else if (reservedPrice <= 20000)
		return 500;
	else if (reservedPrice <= 50000)
		return 1000;
	else
		return 5000;
	} 
	
function checkEmail_cs(str)
	{
	test = (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	if (test)
		return true;
	else
		{
		alert('Neplatná emailová adresa!');
		return false;
		};
	}
	
function checkEmail_en(str)
	{
	test = (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	if (test)
		return true;
	else
		{
		alert('Email not valid!');
		return false;
		};
	}
	
function checkEmail(str)
	{
	test = (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	if (test)
		return true;
	else
		return false;
	}
	
function checkContactForm_cs()
	{
	subject = document.getElementById('subject').value; 
	text = document.getElementById('text').value; 
	contact_person = document.getElementById('contact_person').value;
	contact_email = document.getElementById('contact_email').value;
	contact_phone = document.getElementById('contact_phone').value;
		
	//subject field
    if (subject == "" || text == "" || contact_person == "" || contact_phone == "" || !checkEmail(contact_email))
		{
		alert('Vyplňte prosím všechna pole!');
		return false;
		}
	else
    	return true;
	}
	
function checkContactForm_en()
	{
	subject = document.getElementById('subject').value; 
	text = document.getElementById('text').value; 
	contact_person = document.getElementById('contact_person').value;
	contact_email = document.getElementById('contact_email').value;
	contact_phone = document.getElementById('contact_phone').value;
		
	//subject field
    if (subject == "" || text == "" || contact_person == "" || contact_phone == "" || !checkEmail(contact_email))
		{
		alert('Please fill all fields!');
		return false;
		}
	else
    	return true;
	}