function sf(){document.form.realname.focus();}


function validateform()
{
    
	//alert("test");
	
	var formobj;
	formobj = document.frmheld;
	valid = true;
//fill in at least one field

/*
'ref_no
'memLocation
'keySettlement
'keyWard
'keyAdminArea
'keyMarketArea
'ysnNationalPark
'strDeveloper
'keyTenure
'keySiteType
'strYearEntered
'keyStatus
*/

    //alert(formobj.ysnNationalPark.checked);
	
	if ( formobj.ref_no.value == "" && formobj.memLocation.value == "" && formobj.keySettlement.value == "" && 
	formobj.keyWard.value == "" && formobj.keyAdminArea.value == "" &&  formobj.keyMarketArea.value == "" &&   formobj.strDeveloper.value == "" && formobj.keyTenure.value == "" && formobj.keySiteType.value == ""
	&& formobj.strYearEntered.value == "" && formobj.keyStatus.value == "" )
    {
        alert ( "Please fill in at least one of the search fields." );
		valid = false;
    }
	
	/*
	if (formobj.ref_no.value != "" && formobj.ref_no.value.length <= 3 )
	{
		alert ( "Please fill in the reference number with more than 3 characters." );
		formobj.ref_no.focus();
        valid = false;
	}
	*/
	
	if (formobj.memLocation.value != "" && formobj.memLocation.value.length <= 2 )
	{
		alert ( "Please fill in the location or site with more than 2 characters." );
		formobj.memLocation.focus();
        valid = false;
	}
	
	
	   return valid;
 
}


function ClearForm()
{



document.frmheld.ref_no.value = "";
document.frmheld.memLocation.value = "";
document.frmheld.keySettlement.value = "";
document.frmheld.keyWard.value = "";
document.frmheld.keyAdminArea.value = "";
document.frmheld.keyMarketArea.value = "";
document.frmheld.strDeveloper.value = "";
document.frmheld.keyTenure.value = "";
document.frmheld.keySiteType.value = "";
document.frmheld.strYearEntered.value = "";
document.frmheld.keyStatus.value = "";

}


function toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}