//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("Please update your browser...");
	}
}

//Our XmlHttpRequest object to get the auto suggest
var xhr = getXmlHttpRequestObject();

//Called from keyup on the search textbox.
//Starts the AJAX request.
function searchSuggest() {
	var str = escape(document.getElementById('hst-textinput').value);

    xhr.open("GET", "index.php?eID=pi2_search_ajax&search=" + str, true);
    xhr.send(null);
    xhr.onreadystatechange = handleSearchSuggest;
    
    // IE6 prefers this
    if(xhr.readyState == 4) 
    {
    	handleSearchSuggest();
    }
}	

//Called when the AJAX response is returned.
function handleSearchSuggest() {

	  if (xhr.readyState == 4)	{
        if (xhr.status == 200)		{
            // Data is waiting.
            // alert(xhr.responseText);
             
            var ss = document.getElementById('search_suggest')
			ss.innerHTML = '';
			var str = xhr.responseText.split("\n");
			
			if(str != '') 
			{
				document.getElementById('search_suggest').style.display = '';
				document.getElementById('iframeSearch_suggest').style.display = '';
			}
			else
			{
				document.getElementById('search_suggest').style.display = 'none';
				document.getElementById('iframeSearch_suggest').style.display = 'none';
			}
				
			for(i=0; i < str.length - 1; i++) {
			
			//alert(str[i]);
			
			//Build our element string.  This is cleaner using the DOM, but
			//IE doesn't support dynamically added attributes.
			var suggest = '<div onkeyup="test();" 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;
			}
        }
    }
}

//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('hst-textinput').value = value;
	document.getElementById('search_suggest').innerHTML = '';
	document.getElementById('search_suggest').style.display = 'none';
	document.getElementById('iframeSearch_suggest').style.display = 'none';
}