function check_adv_search()
{
	var chks = document.getElementsByName('advoption[]');
	var hasChecked = false;
	for (var i = 0; i < chks.length; i++)
	{
		if (chks[i].checked)
		{
			hasChecked = true;
			break;
		}
	}

	if(document.frmadvsearch.adv_search_market.value == "" && document.frmadvsearch.adv_fromyear.value == "" && document.frmadvsearch.adv_toyear.value == "" && document.frmadvsearch.adv_chassis.value == "" && document.frmadvsearch.adv_fromyear.value == "" && document.frmadvsearch.adv_fromyear.value == "" && document.frmadvsearch.adv_body.value == "" && document.frmadvsearch.adv_mileage.value == "" && document.frmadvsearch.adv_seats.value == "" && document.frmadvsearch.adv_standing.value == "" && document.frmadvsearch.adv_doors.value == "" && document.frmadvsearch.adv_owners.value == "" && document.frmadvsearch.adv_operation.value == "" && document.frmadvsearch.adv_currency.value == "" && document.frmadvsearch.adv_pricerange.value == "" && hasChecked == false)
	{
			alert("Please Select Search Parameters!");	
			document.frmadvsearch.adv_search_market.focus();
			return false;	
	}
	if(document.frmadvsearch.adv_pricerange.value != "" && document.frmadvsearch.adv_currency.value == "")
	{
		alert("Please Select Currency First!");	
		document.frmadvsearch.adv_currency.focus();
		return false;	
	}
	
	$adv_fromyear = document.frmadvsearch.adv_fromyear.value;
	$adv_toyear = document.frmadvsearch.adv_toyear.value;
	if($adv_fromyear != "" && $adv_toyear == "")
	{
			alert("Please Select To Year!");	
			document.frmadvsearch.adv_toyear.focus();
			return false;	
	}
	if($adv_fromyear == "" && $adv_toyear != "")
	{
			alert("Please Select From Year!");	
			document.frmadvsearch.adv_fromyear.focus();
			return false;
	}
	if($adv_fromyear != "" && $adv_toyear != "")
	{
		if($adv_fromyear > $adv_toyear)
		{
			alert("From Year should not be grater than To Year!");	
			document.frmadvsearch.adv_fromyear.focus();
			return false;
		}
		else if($adv_fromyear == $adv_toyear)
		{
			alert("From Year should not be same as To Year!");	
			document.frmadvsearch.fromyear.focus();
			return false;
		}
	}
	document.frmadvsearch.action = 'advancedsearch.php';
	document.frmadvsearch.hid_adv_search.value = 'ADVSEARCH';
	document.frmadvsearch.submit();
	return true;
}
function check_search()
{
	
	if(document.frmsearch.search_market.value == "" && document.frmsearch.chassis.value == "" && document.frmsearch.fromyear.value == "" && document.frmsearch.operation.value == "" && document.frmsearch.bodym.value == "" && document.frmsearch.toyear.value == "" && document.frmsearch.currency.value == "" && document.frmsearch.pricerange.value == "")
	{
		alert("Please Select Search Parameters!");	
		document.frmsearch.search_market.focus();
		return false;	
	}
	if(document.frmsearch.pricerange.value != "" && document.frmsearch.currency.value == "")
	{
		alert("Please Select Currency First!");	
		document.frmsearch.currency.focus();
		return false;	
	}
	
	$fromyear = document.frmsearch.fromyear.value;
	$toyear = document.frmsearch.toyear.value;
	if($fromyear != "" && $toyear == "")
	{
			alert("Please Select To Year!");	
			document.frmsearch.toyear.focus();
			return false;	
	}
	if($fromyear == "" && $toyear != "")
	{
			alert("Please Select From Year!");	
			document.frmsearch.fromyear.focus();
			return false;
	}
	if($fromyear != "" && $toyear != "")
	{
		if($fromyear > $toyear)
		{
			alert("From Year should not be grater than To Year!");	
			document.frmsearch.fromyear.focus();
			return false;
		}
		else if($fromyear == $toyear)
		{
			alert("From Year should not be same as To Year!");	
			document.frmsearch.fromyear.focus();
			return false;
		}
	}
	document.frmsearch.action = 'search.php';
	document.frmsearch.hid_search.value = 'SEARCH';
	document.frmsearch.submit();
	return true;
}