function findField(frm, field)
{
	 for (var i=0;i<frm.length;i++){
	 	if (document.forms[frm].elements[i].name == field) return i;
	 }
	 return -1;
}

function searchFocus(frm, field, emptyTxt)
{
	var fieldIdx = findField(frm, field);
	if (fieldIdx==-1) return;

	if (document.forms[frm].elements[fieldIdx].value == emptyTxt){
		document.forms[frm].elements[fieldIdx].value = '';
	}
}

function searchBlur(frm, field, emptyTxt)
{
	var fieldIdx = findField(frm, field);
	if (fieldIdx==-1) return;

	if (document.forms[frm].elements[fieldIdx].value == ''){
		document.forms[frm].elements[fieldIdx].value = emptyTxt;
	}
	
	return false;
}

function onSearch(frm, field, text)
{
	var fieldIdx = findField(frm, field);
	if (fieldIdx==-1) return;

	if(document.forms[frm].elements[fieldIdx].value == '')
	{
		window.alert(text);
		return false;
	}
	return true;
}