function cambiasrc(c)
{
	with (document)
	{
		if ( c == "agenda")
		{
			getElementById('src1off').style.display = "none";
			getElementById('src2off').style.display = "none";
			getElementById('src1on').style.display = "block";
			getElementById('src2on').style.display = "block";
		} else 	{
			getElementById('src1on').style.display = "none";
			getElementById('src2on').style.display = "none";
			getElementById('src1off').style.display = "block";
			getElementById('src2off').style.display = "block";
		}
	}
	with (document.forms["advsrc"])
	{
		luogo.value="";
	for (i=0;i<categoria.length;i++)
		categoria.options[i].selected = categoria.options[i].value == "";
	}
}

function avviaadv()
{
	with (document.forms["advsrc"])
	{
		g1 = document.forms["advsrc"].gfr.value;
		m1 = document.forms["advsrc"].mfr.value;
		a1 = document.forms["advsrc"].afr.value;
		g2 = document.forms["advsrc"].gto.value;
		m2 = document.forms["advsrc"].mto.value;
		a2 = document.forms["advsrc"].ato.value;
	}

	if (g1 != "" || m1 != "" || a1 != "")
	{
		if (g1 == "")
		{
			alert ('Please specify the starting day of your search.');
		} else if (m1 == 1 || m1 == 3 || m1 == 5 || m1 == 7 || m1 == 8 || m1 == 10 || m1 == 12) {
			if (g1 <= 0 || g1 >= 32)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gfr.value = "";
			}
		} else if (m1 == 4 || m1 == 6 || m1 == 9 || m1 == 11) {
			if (g1 <= 0 || g1 >= 31)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gfr.value = "";
			}
		} else if (m1 == 2 && a1%4 == 0) {
			if (g1 <= 0 || g1 >= 30)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gfr.value = "";
			}
		} else if (m1 == 2 && a1%4 != 0) {
			if (g1 <= 0 || g1 >= 29)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gfr.value = "";
			}
		}
		if (m1 == "")
		{
			alert ("Please specify the starting day of your search.");
		} else {
			if (m1 <= 0 || m1 >= 13)
			{
				alert ('Refine your search - Wrong Month.');
				document.forms["advsrc"].mfr.value = "";
			}
		}
		if (a1 == "")
		{
			alert ("Please specify the starting month of your search.");
		} else {
		if (a1 <= 2005 || a1 >= 2008)
			{
	 			alert ('Sorry, at the moment you can only search through 2006 and 2007.');
				document.forms["advsrc"].afr.value = "";
			}
		}
	}

	if (g2 != "" || m2 != "" || a2 != "")
	{
		if (g2 == "")
		{
			alert ('Please specify the last day of your search.');
		} else if (m2 == 1 || m2 == 3 || m2 == 5 || m2 == 7 || m2 == 8 || m2 == 10 || m2 == 12) {
			if (g2 <= 0 || g2 >= 32)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gto.value = "";
			}
		} else if (m2 == 4 || m2 == 6 || m2 == 9 || m2 == 11) {
			if (g2 <= 0 || g2 >= 31)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gto.value = "";
			}
		} else if (m2 == 2 && a2%4 == 0) {
			if (g2 <= 0 || g2 >= 30)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gto.value = "";
			}
		} else if (m2 == 2 && a2%4 != 0) {
			if (g2 <= 0 || g2 >= 29)
			{
	 			alert ('Refine your search - Wrong Day.');
				document.forms["advsrc"].gto.value = "";
			}
		}

		if (m2 == "")
		{
			alert ("Please specify the last month of your search.");
		} else {
			if (m2 <= 0 || m2 >= 13)
			{
				alert ('Refine your search - Wrong Month.');
				document.forms["advsrc"].mto.value = "";
			}
		}
		if (a2 == "")
		{
			alert ("Please specify the last year of your search.");
		} else {
		if (a2 <= 2005 || a2 >= 2008)
			{
	 			alert ('Sorry, at the moment you can only search through 2006 and 2007.');
				document.forms["advsrc"].afr.value = "";
			}
		}
	}
	racfr = ""+g1+"/"+m1+"/"+a1;
	racto = ""+g2+"/"+m2+"/"+a2;

	with (document.forms["advsrc"])
	{
		from.value = ""+racfr;
		to.value = ""+racto;
		if (
			sezione.value==""
			&& kw.value=="" 
			&& from.value=="//" 
			&& to.value=="//"
		)
			alert("Select and/or complete the search fields.");
		else {
			submit();
		}
	}
}

function racdata()
{
	with (document.forms["advsrc"])
	{
		if (gfr.value != "" && parseInt(gfr.value,10) != gfr.value)
		{
			alert ("Warning! Incorrect Item.");
			gfr.value = "";
		}
		if (mfr.value != "" && parseInt(mfr.value,10) != mfr.value)
		{
			alert ("Warning! Incorrect Item.");
			mfr.value = "";
		}
		if (afr.value != "" && parseInt(afr.value,10) != afr.value)
		{
			alert ("Warning! Incorrect Item.");
			afr.value = "";
		}
		if (gto.value != "" && parseInt(gto.value,10) != gto.value)
		{
			alert ("Warning! Incorrect Item.");
			gto.value = "";
		}
		if (mto.value != "" && parseInt(mto.value,10) != mto.value)
		{
			alert ("Warning! Incorrect Item.");
			mto.value = "";
		}
		if (ato.value != "" && parseInt(ato.value,10) != ato.value)
		{
			alert ("Warning! Incorrect Item.");
			ato.value = "";
		}
	}
}