function leggiGet()
{
	var get_string = document.location.search;         
   var  return_value = '';
    do 
	{
		var name_index = get_string.indexOf(name + '=');
		if(name_index != -1)
		{
			get_string = get_string.substr(name_index + name.length + 1, get_string.length - name_index);
			end_of_value = get_string.indexOf('&');
			if(end_of_value != -1)
			{               
				value = get_string.substr(0, end_of_value);                
			} else {              
				value = get_string;                
			}
			if(return_value == '' || value == '')
			{
				return_value += value;
			} else {
				return_value += ', ' + value;
			}
		} 
	} while(name_index != -1);
		space = return_value.indexOf('+');
		while(space != -1)
		{ 
			return_value = return_value.substr(0, space) + ' ' + 
			return_value.substr(space + 1, return_value.length);
			space = return_value.indexOf('+');
		}
		if(return_value >= parseInt(1) && return_value <= parseInt(3))
		{
			return return_value;
		} else {
			return null;
		}
}

function showhide(n,url)
{

for(i=1;i<=2;i++)
	{
		document.getElementById('l'+i).className = 'fontNormal';
		document.getElementById('g'+i).style.display = 'none';
		document.getElementById('h'+i).style.display = 'none';
	}
	if(url != '')
	{
		document.getElementById('h'+n).src= url;
	}
	document.getElementById('l'+n).className = 'fontWeight';
	document.getElementById('g'+n).style.display = 'block';
	document.getElementById('h'+n).style.display = 'block';
		
}
function mostraDiv()
{
	switch(leggiGet())
	{
		case 1:
			showhide(1,'http://maps.google.it/maps?f=q&amp;source=s_q&amp;hl=it&amp;geocode=&amp;q=Strada+Del+Drosso+128%2F6+torino&amp;sll=45.455739,9.164445&amp;sspn=0.010762,0.019312&amp;ie=UTF8&amp;ll=45.024585,7.616701&amp;spn=0.016986,0.031757&amp;z=14&amp;iwloc=A&amp;output=embed');
		break;
		case 2:
			showhide(2,'http://maps.google.it/maps?f=q&amp;source=s_q&amp;hl=it&amp;q=Via+Milanese,+Milano,+Lombardia&amp;sll=45.016692,7.612473&amp;sspn=0.010845,0.019312&amp;ie=UTF8&amp;cd=1&amp;geocode=FTvbtgIdSKyMAA&amp;split=0&amp;ll=45.547056,9.223366&amp;spn=0.016831,0.031757&amp;z=14&amp;iwloc=A&amp;output=embed');
		break;
		case 3:
			showhide(3,'http://maps.google.it/maps?f=q&amp;source=s_q&amp;hl=it&amp;geocode=&amp;q=Via+antonio+magarotto+9,+35136+Padova+Padova,+Veneto&amp;sll=45.409594,11.848414&amp;sspn=0.010771,0.019312&amp;ie=UTF8&amp;ll=45.417913,11.852617&amp;spn=0.016869,0.031757&amp;z=14&amp;iwloc=A&amp;output=embed');
		default:
		break;
	}
}