if (typeof(script_root) == "undefined") {
	var script_root = '';
}

function page_search_search()
{
	document.getElementById("page_search_result_title").innerHTML = '';
	document.getElementById("page_search_result_list").innerHTML = '';
	var input = document.getElementById('page_search_form_keyword');
	if (typeof(input)!='undefined') {
		if (input.value!='')
		{
			var url = script_root+'plugins/page_search/ajax.php?action=search&keywords='+escape(input.value);
			var http;  
				try{
				// Opera 8.0+, Firefox, Safari
				http = new XMLHttpRequest();
			} catch (e){
				// Internet Explorer Browsers
				try{
					http = new ActiveXObject("Msxml2.XMLHTTP");
				} catch (e) {
					try{
						http = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e){
						// Something went wrong
						alert("Your browser broke!");
						return false;
					}
				}
			}
			document.getElementById("page_search_result_title").innerHTML = '';
			document.getElementById("page_search_result_list").innerHTML = '<em>searching... please wait.</em>';
			http.open("GET", url, true);    
			http.onreadystatechange = function () { 
				if (http.readyState == 4 && http.status == 200) {
					var i, htmlstr = '', aray = http.responseText.split("\n"), part, cnt = 0;
					for (i=0;i<aray.length;i++) {
						if (aray[i])  {
							part = aray[i].split('|');
							htmlstr += '<div class="page_search_item">';
							htmlstr += '<div class="page_search_item_title"><a href="'+part[0]+'">'+part[1]+'</a></div>';
							htmlstr += '<div class="page_search_item_summary">'+part[2]+'</div>';
							htmlstr += '<div class="page_search_item_url">'+part[0]+'</div>';
							htmlstr += '</div>';
							cnt++;
						}
					}
					if (cnt==0) {
						htmlstr = '<em>Nothing found. Try changing the keywords.</em>';
					} else {
						document.getElementById("page_search_result_title").innerHTML = 'Search Results<hr />';
					}
					document.getElementById("page_search_result_list").innerHTML = htmlstr;
				}
			}
			http.send(null); 
		} else {
			document.getElementById("page_search_result_list").innerHTML = '<em>Please type any keywords to start the search<em>';
		}
	} else {
		document.getElementById("page_search_result_list").innerHTML = '<em>Please type any keywords to start the search</em>';
	}
}

function page_search_init()
{
	var qsParm = new Array();
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) {
		var pos = parms[i].indexOf('=');
		if (pos > 0) {
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParm[key] = val;
		}
	} 
	if (qsParm["keyword"]!=null) {
		document.getElementById('page_search_form_keyword').value = qsParm["keyword"];
		page_search_search();
	}
}