function selectProject(vi_ComboProject, vi_ComboCity, vi_City)
{
	if(vi_ComboProject.selectedIndex>0)
	{
		selectItem(vi_ComboCity, vi_City);
		vi_ComboCity.disabled=true;
	}
	else
		vi_ComboCity.disabled=false;
}
function selectEstate(vi_RadioButton, vi_ComboTypo)
{
	clearCombo(vi_ComboTypo);
	vi_ComboTypo.disabled=false;
	var j=0;
	
	if(vi_RadioButton.value=="rezidenziale")
	{
		for(var i=0; i<residentials.length; i++)
			if(residentials[i]!=null)
			{
				vi_ComboTypo.options[j]=new Option(residentials[i], i);
				j++;
			}
	}
	if(vi_RadioButton.value=="commerciale")
	{
		for(var i=0; i<commercials.length; i++)
			if(commercials[i]!=null)
			{
				vi_ComboTypo.options[j]=new Option(commercials[i], i);
				j++;
			}
	}
}
function selectEstate2(vi_RadioButton, vi_ComboTypo)
{
	clearCombo(vi_ComboTypo);
	vi_ComboTypo.disabled=false;
	vi_ComboTypo.options[0]=new Option("Scegli la tipologia -----<", "");
	var j=1;
	
	if(vi_RadioButton.value=="rezidenziale")
	{
		for(var i=0; i<residentials.length; i++)
			if(residentials[i]!=null)
			{
				vi_ComboTypo.options[j]=new Option(residentials[i], i);
				j++;
			}
	}
	if(vi_RadioButton.value=="commerciale")
	{
		for(var i=0; i<commercials.length; i++)
			if(commercials[i]!=null)
			{
				vi_ComboTypo.options[j]=new Option(commercials[i], i);
				j++;
			}
	}
}