//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		alert("Your Browser Sucks!\nIt's about time to upgrade don't you think?");
	}
}
function createAjaxObj(){
  var httprequest=false
  if (window.XMLHttpRequest)
  { // if Mozilla, Safari etc
    httprequest=new XMLHttpRequest()
    if (httprequest.overrideMimeType)
      httprequest.overrideMimeType('text/xml')
   }
   else if (window.ActiveXObject)
   { // if IE
     try {
       httprequest=new ActiveXObject("Msxml2.XMLHTTP");
     }
     catch (e){
       try{
          httprequest=new ActiveXObject("Microsoft.XMLHTTP");
       }
       catch (e){}
     }
   }
   return httprequest
}
//Our XmlHttpRequest object to get the auto suggest
var searchReq = createAjaxObj();

//Called from keyup on the search textbox.
//Starts the AJAX request.
function searchSuggest() {
	if (searchReq.readyState == 4 || searchReq.readyState == 0) {
		var str = escape(document.getElementById('k').value);
		searchReq.open("GET", '/ajax_search.asp?k=' + str, true);
		searchReq.onreadystatechange = handleSearchSuggest; 
		searchReq.send(null);
	}		
}

//Called when the AJAX response is returned.
function handleSearchSuggest() {
	if (searchReq.readyState == 4) {
		var ss = document.getElementById('search_suggest')
		ss.innerHTML = '';
		var str = searchReq.responseText.split("<br>");
		//var suggest="<center><b><font color=#006600>Result:</font></b> <font color='red'>"+(str.length-1)+"</font></center>";
		var suggest="";
		for(i=0; i < str.length - 1 && i<10; i++) {
			//Build our element string.  This is cleaner using the DOM, but
			//IE doesn't support dynamically added attributes.
			suggest += '<div onmouseover="javascript:suggestOver(this);" ';
			suggest += 'onmouseout="javascript:suggestOut(this);" ';
			suggest += 'onclick="javascript:setSearch(this.innerHTML);" ';
			suggest += 'class="suggest_link">' + str[i] + '</div>';
		}
		ss.innerHTML = suggest +"<center><b><font color=#006600>Total:</font></b> <font color='red'>"+(str.length-1)+"</font>  <b><font color=#006600>Top:</font></b> <font color='red'>"+i+"</font>&nbsp;&nbsp;&nbsp;&nbsp;<b><a href=# onclick=JavaScript:document.getElementById('search_suggest').style.display='none'; title='Close the result'><font color=blue>Close</font></a></b></center>";
	}
}

//Mouse over function
function suggestOver(div_value) {
	div_value.className = 'suggest_link_over';
}
//Mouse out function
function suggestOut(div_value) {
	div_value.className = 'suggest_link';
}
//Click function
function setSearch(value) {
	//document.getElementById('k').value = value;
	document.getElementById('search_suggest').innerHTML = '';
	document.getElementById("search_suggest").style.display='none';
	window.location='/search/?k='+value;
}