var keywordtxt = 'keyword';
var refnumtxt = 'property ref number';

// when page loads ----------------------------------------------------------------
function pop_head_search() {
	if (document.getElementById("hs_keyword")) {
		document.getElementById("hs_keyword").value = keywordtxt;
	}
	if (document.getElementById("hs_refnum")) {
		document.getElementById("hs_refnum").value = refnumtxt;
	}
	if (document.getElementById("ns_keyword")) {
		if (document.getElementById("ns_keyword").value == '') {
			document.getElementById("ns_keyword").value = keywordtxt;
		} else {
			// keyword manually added - don't change it
		}
	} 
}

// Keyword form (header) ---------------------------------------------------------------------
function hs_key_check() {
	if (document.getElementById("hs_keyword").value == keywordtxt) {
		document.getElementById("hs_keyword").value = '';
	} else if (document.getElementById("hs_keyword").value == '') {
		document.getElementById("hs_keyword").value = keywordtxt;
	}
}
function  varify1() {
	if ((document.getElementById("hs_keyword").value == keywordtxt) || (document.getElementById("hs_keyword").value == '')) {
		alert('Please type in a keyword');
		document.getElementById("hs_keyword").focus();
		return false;
	}
}

// refnum form ---------------------------------------------------------------------
function hs_ref_check() {
	if (document.getElementById("hs_refnum").value == refnumtxt) {
		document.getElementById("hs_refnum").value = '';
	} else if (document.getElementById("hs_refnum").value == '') {
		document.getElementById("hs_refnum").value = refnumtxt;
	}
}
function  varify2() {
	if ((document.getElementById("hs_refnum").value == refnumtxt) || (document.getElementById("hs_refnum").value == '')) {
		alert('Please type in a property reference number');
		document.getElementById("hs_refnum").focus();
		return false;
	}
}

// Keyword form (left-nav) ---------------------------------------------------------------------
function ns_key_check() {
	if (document.getElementById("ns_keyword").value == keywordtxt) {
		document.getElementById("ns_keyword").value = '';
	} else if (document.getElementById("ns_keyword").value == '') {
		document.getElementById("ns_keyword").value = keywordtxt;
	}
}
function  varify3() {
	if ((document.getElementById("ns_keyword").value == keywordtxt) || (document.getElementById("ns_keyword").value == '')) {
		//alert('Please type in a keyword');
		//document.getElementById("ns_keyword").focus();
		//return false;
	}
}