function raschet2()
{
	pr1 = document.getElementById('select12').value;
	metr1 = document.getElementById('textfield13').value;
	

	if (pr1 == 1) { result = metr1 * 3000;}
	if (pr1 == 2) { result = metr1 * 4500;}
	if (pr1 == 3) { result = metr1 * 7000;}

	

	
	document.getElementById('res10').innerHTML=result.toFixed(0);
}