function alert1(value,form1,name)
{

	var items = document.forms["buscar"].elements;
	
	if (value == '1')
		{
			var c = true;
		}
	else
		{
			var c = false;
		}
	for (i=0;i<items.length;i++)
		{
			if (items[i].name == name)
				{

					items[i].checked = c;
				}

		}
}
function alert2(value,form1,name)
{

	var items = document.forms["buscar"].elements;
	
	if (value == '1')
		{
			var c = true;
			document.forms["buscar"].town.disabled = false;
			document.forms["buscar"].town.style.background = 'white';
		  document.forms["buscar"].r.disabled = false;
    	document.forms["buscar"].r.style.background = 'white';	
      document.all.proximity.style.display = 'block';
      document.all.area.style.display = 'none';
      document.all.arearadio.style.display = 'none';
		}
	else
		{
			var c = false;
			document.forms["buscar"].town.disabled = true;
			document.forms["buscar"].town.style.background = '#cccccc';
		  document.forms["buscar"].r.disabled = true;
    	document.forms["buscar"].r.style.background = '#cccccc';	

      document.all.proximity.style.display = 'none';
      document.all.area.style.display = 'block';
      document.all.arearadio.style.display = 'block';
		}
	for (i=0;i<items.length;i++)
		{
			if (items[i].name == name)
				{

					items[i].disabled = c;
				}

		}
}
	

function checkall()
{
	var items = document.forms["buscar"].elements;
	for (i=0;i<items.length;i++)
		{
		  if (!(items[i].name == "all2" || items[i].name == "all1"))
		    {
    	   items[i].checked = true;
    	  }
		}
	document.forms["buscar"].town.disabled = true;
	document.forms["buscar"].town.style.background = '#cccccc';
	document.forms["buscar"].r.disabled = true;
	document.forms["buscar"].r.style.background = '#cccccc';



}