function validateArticleSearchForm(theForm){
	if (theForm.searchStr.value=="" | theForm.searchStr.value=="search site"){
		alert("Please enter your search criteria.");
		theForm.searchStr.focus();
		return(false);
	}

	return(true);
	}
  
  function clearField(theField) {
	if (theField.value=="search site"){
		theField.value="";
	}
}

function clearSelectorField(theField) {
	if (theField.value=="mature height" | theField.value=="mature width" | theField.value=="postcode/suburb"){
		theField.value="";
	}
}

function clearMiniField(theField) {
	if (theField.value=="PLANT NAME SEARCH"){
		theField.value="";
	}
}

function fillNavSelectorField(theField) {
	if (theField.name == 'searchStr') {
		if (theField.value==""){
		theField.value="search site";
		}
	} 
}
function fillSelectorField(theField) {
	if (theField.name == 'postcodeID') {
		if (theField.value==""){
		theField.value="postcode/suburb";
		}
	} 
	if (theField.name == 'searchStr') {
		if (theField.value==""){
		theField.value="PLANT NAME SEARCH";
		}
	}
	if (theField.name == 'plantHeight') {
		if (theField.value==""){
		theField.value="mature height";
		}
	}
	if (theField.name == 'plantSpread') {
		if (theField.value==""){
		theField.value="mature width";
		}
	}
}