function GetFormField(aForm, aName)
{
    var i ;
    for (i = 0; i < aForm.elements.length; i++) 
        if (aForm.elements[i].name == aName)
            return aForm.elements[i];
    
    return null;
}
function openwindow(target)
{
    fin=window.open(target);
}

function openimage(target,w,h)
{
    fin=window.open(target,'','scrollbars=yes,width='+ w + ',height='+ h +',left=100,top=100,resizable=yes');
}
function openwindowmap(aForm)
{
  obj=GetFormField(aForm,'city');
  ct=obj.value;
  
  if (obj.value == '')
	{
	   alert("Inserire la cittą da cui si intende partire");
	   obj.focus();
	   return;
	} 
	
  ad=GetFormField(aForm,'address').value;
  cp=GetFormField(aForm,'cap').value;
  target='http://maps.google.it/maps?f=d&hl=it&geocode=&time=&date=&ttype=&saddr='+ad+' '+cp+' '+ct+'&daddr=Corso+Duca+degli+Abruzzi+67030+Barrea+AQ&sll=41.757533,13.992393&sspn=0.00874,0.020084&ie=UTF8&z=9&om=1'
    fin=window.open(target);
}