// field default value - FDV
function FDV_hide(fld, val){
	if(fld.value == val){
		fld.value = '';
		fld.style.color = '';
	}
}

function FDV_show(fld, val, def_clr){
	if(fld.value == ''){
		fld.value = val;
		if(def_clr != 'undefined') fld.style.color = def_clr;
	}
}

function FDV_submit(fld, val){
	if(!fld) return;
	if(fld.value == val) fld.value = '';
	if($('top_srch_q').value == 'Поиск') $('top_srch_q').value = ''
}