var sa = false;

function s(){

	if(sa == false){
		var m=document.getElementById('b_search');
		var b = document.getElementById('b_sb');
		if(m.value=='' || m.value =='Search our site ...'){
			alert('Please enter a search query ...');
		}else{
 			sa = true;
			b.disabled = true;
			m.disabled = true;
			top.location = 'http://search.brent.gov.uk/search?q=' +m.value +'&entqr=0&ud=1&sort=date%3AD%3AL%3Ad1&output=xml_no_dtd&oe=UTF-8&ie=UTF-8&client=default_frontend&proxystylesheet=default_frontend&site=default_collection';

/*			var w= window.location.toString();
			var t = new ax(w.substring(0, w.indexOf('.gov')) + '.gov.uk/home.nsf/pages/search+unavailable?opendocument&rnd='+Math.random(),
				function(o, s){
					if(s==200)
						top.location = 'http://www.google.co.uk/search?hl=en&q=site%3Abrent.gov.uk+' +m.value;
					else
						
				});
			t.dG();*/
		} 			   
	}
}

function checkCR(evt) { 
        var evt  = (evt) ? evt : ((event) ? event : null); 
        var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null); 
        if ((evt.keyCode == 13) && (node.type=="text")) { 
                if(document.getElementById('b_search')){ 
                        s(); 
                        return false; 
        } else return false; 
        } 
} 
document.onkeypress = checkCR;

function ax(url, cb, opts) {
    var r = init();
    r.onreadystatechange = pR;
    function init(){ if (window.XMLHttpRequest) return new XMLHttpRequest(); else if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");};
    function pR () { if (r.readyState == 4) { if (cb) cb(r.responseText, r.status, opts);  r=null; } };
    this.dG = function() {r.open("GET", url, true);r.send(null); };
    this.dP = function(body) { r.open("POST", url, true); r.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); r.send(body);};
}

function cx(op){
	var ief = true;
	if (window.ActiveXObject){ xd = new ActiveXObject("Microsoft.XMLDOM"); xd.async=false;
	 }else if (document.implementation && document.implementation.createDocument){
	 	  xd= document.implementation.createDocument("","",null); ief = false;
	 }else alert('Your browser is not compatible with this system, please upgrade to the latest version ...');
  	if(ief) xd.loadXML(op); else{ var oR = new DOMParser();xd = oR.parseFromString(op, "text/xml");	}	
	return xd;
}

function ms_clear(o, b, t){
	if(!b) if(o.value==t)	o.value = '';
	if(b) if(o.value=='')	o.value = t;
}

function fyn(o, i){
 var o = $(o);
 var i = $(i);
 if(i.value == ''||i.value=='e.g. HA9 9HD')
 	alert('Please enter a postcode');
 else if (i.value.length<=4)
 	alert('Please enter a valid and complete postcode');
  else
	 window.location = o.options[o.selectedIndex].value.replace('p=***', 'p=' + i.value.replace(/ /g, ''));
}