function calculate_main(){

	var haspackage = false;
	var hasdomain = false;

	if( document.getElementById("package") )
	{
		haspackage = true;
		whpackage = document.getElementById("package").value;
	}
	if( document.getElementById("tld") )
	{
		hasdomain = true;
		domain = document.getElementById("tld").value;
	}
	
	country = document.getElementById("country").value;
	price = 0;
	
	if( haspackage && !hasdomain )
	{
		if(whpackage == "Start") price +=500;
		if(whpackage == "Mikro") price +=900;
		if(whpackage == "Mega") price +=1300;
		if(whpackage == "Giga") price +=2400;
		if(whpackage == "Tera") price +=3100;
		pricebam = Math.round(price / 52);	
		if ( country == "Srbija" ) document.getElementById("priceplace").innerHTML = price+" RSD <br />";
		else if( country == "Bosna i Hercegovina")  document.getElementById("priceplace").innerHTML = pricebam+" BAM <br />";
	}
	
	if( hasdomain && !haspackage)
	{
		if(domain == "com" || domain == "net" || domain == "org" || domain == "mobi" || domain == "biz") price += 700;
		if(domain == "info") price += 300;
		if(domain == "eu") price += 1000;
		if(domain == "us") price += 500;
		if(domain == "me") price += 1100;
		if(domain == "ws") price += 1200;
		pricebam = Math.round(price / 52);	
		if ( country == "Srbija" ) document.getElementById("priceplace").innerHTML = price+" RSD <br />";
		else if( country == "Bosna i Hercegovina")  document.getElementById("priceplace").innerHTML = pricebam+" BAM <br />";
	}
	
	if( hasdomain && haspackage )
	{
		if(domain == "com" || domain == "net" || domain == "org" || domain == "mobi" || domain == "biz") price += 700;
		if(domain == "info") price += 300;
		if(domain == "eu") price += 1000;
		if(domain == "us") price += 500;
		if(domain == "me") price += 1100;
		if(domain == "ws") price += 1200;
		if(whpackage == "Start") price +=500;
		if(whpackage == "Mikro") price +=900;
		if(whpackage == "Mega") price +=1300;
		if(whpackage == "Giga") price +=2400;
		if(whpackage == "Tera") price +=3100;
		pricebam = Math.round(price / 52);	
		if ( country == "Srbija" ) document.getElementById("priceplace").innerHTML = price+" RSD <br />";
		else if( country == "Bosna i Hercegovina")  document.getElementById("priceplace").innerHTML = pricebam+" BAM <br />";
	}
	
	haspackage = false;
	hasdomain = false;
}